US20120125854A1 - Oil Absorbing Article and Method for Using Same - Google Patents
Oil Absorbing Article and Method for Using Same Download PDFInfo
- Publication number
- US20120125854A1 US20120125854A1 US13/239,443 US201113239443A US2012125854A1 US 20120125854 A1 US20120125854 A1 US 20120125854A1 US 201113239443 A US201113239443 A US 201113239443A US 2012125854 A1 US2012125854 A1 US 2012125854A1
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- Prior art keywords
- article
- oil
- aqueous environment
- styrene
- receptacle
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- Abandoned
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/2805—Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/32—Materials not provided for elsewhere for absorbing liquids to remove pollution, e.g. oil, gasoline, fat
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/02—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
- A23L3/04—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus with packages on endless chain or band conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/44—Materials comprising a mixture of organic materials
- B01J2220/445—Materials comprising a mixture of organic materials comprising a mixture of polymers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
Definitions
- the present invention broadly relates to oil absorbing article.
- the present invention also broadly relates to a method for using this oil absorbing article to remove oil from a relatively warm or hot aqueous environment.
- water was a relatively inexpensive resource. But in recent years as water resources have become scarcer and overused, the importance of recycling and reusing water present in various water systems has increased.
- These water systems may include warm (e.g., above about 100° F.) or hot (e.g., above about 150° F.) water systems such as collection tanks for warmers, pasteurizers, cooling tunnels, etc., used in packaging beverages and food products, hot tubs, swimming pools, etc. In some instances these hot water systems may reach temperatures as high as the boiling point of water (e.g., about 212° F. or 100° C.)
- these warm or hot water systems may also become contaminated with oil components from various sources.
- these oil components may be petroleum-based sources (e.g., hydrocarbons such as oil, grease, lubricants, etc.), may be from plant or animal sources, such as fats and oils comprising edible triglycerides, may be human skin oils, etc.
- these contaminating oil components may need to be removed at least periodically.
- an oil absorbing article comprising:
- a method for removing contaminating oil components from an aqueous environment having a temperature of at least about 100° F. comprising the following steps:
- FIG. 1 is a frontal perspective view an embodiment of an oil absorbing article of the present invention
- FIG. 2 is side sectional view of the embodiment of the oil absorbing article of FIG. 1 taken along line 2 - 2 ;
- FIG. 3 is a schematic diagram of a warmer or pasteurization system for beverage products which shows an embodiment of an oil, absorbing sponge in use for removing contaminating oil components from a water collection tank;
- directional terms such as “outer,” “inner,” “upper,” “lower,” “top”, “bottom”, “side,” “front,” “frontal,” “forward,” “rear,” “rearward,” “back,” “trailing,” “above”, “below”, “left”, “right”, “horizontal”, “vertical”, “upward”, “downward”, etc. are merely used for convenience in describing the various embodiments of the present invention.
- the embodiments shown in FIGS. 1 through 3 may be flipped over, rotated by 90° in any direction, etc.
- oil absorbing material refers to a material which is capable of absorbing, imbibing, etc., oil components from an aqueous environment at a temperature of at least about 100° F.
- the oil absorbing material may be in the form of a plurality of particles, spheres, beads, pellets, loose fibers, etc., or may be in the form of a unitary mass, such as a pad, sheet, block, wad, woven fibers, body, disc, piece, chunk, lump, clump, tablet, insert, aggregate, etc.
- Suitable oil absorbent materials may include, for example, melt blown polypropylene pads, melt blown polypropylene loose fibers, melt blown polypropylene particles, melt blown polypropylene loose pulp, wood particles, cellulosic fibers, particles, spheres, beads, pellets made from one or more of: styrene-butadiene copolymers, styrene-isoprene copolymers, styrene-butadiene-styrene block copolymers, styrene-isoprene-styrene block copolymers, styrene-butadiene-styrene/ethylene-propylene diene block copolymers, styrene-ethylene-propylene-styrene block copolymers, such as, for example, KRATON G series copolymers (e.g., polystyrene-poly(ethylene/butylene)-pol
- suitable oil absorbent materials may include a blend, mixture, alloy, etc., of from about 55 to about 98% by weight of one or more elastomeric polystyrene-butadiene copolymers, polystyrene-butadiene-polystyrene triblock copolymers, polystyrene-isoprene-polystyrene triblock copolymers, polystyrene grafts of elastomers, etc.; from about 3 to about 45% by weight of one or more thermoplastic polystyrenes, polyolefins, etc.; and from about 0.01 to about 12% by weight of one or more fillers such as oxides and carbonates of magnesium and/or calcium, talc, silica, diatomaceous earth, etc., such as, for example, DYNEONTM HISORB 1151 sold in the form of pellets comprising 90-98% styrene-butadiene copolymer
- oil components refers to lipophilic materials which are liquid at a temperature of at least about 100° F.
- Oil components which may include petroleum-based sources (e.g., hydrocarbons such as oil, grease, lubricants such as Necker lube, etc.), may be from plant or animal sources, such as fats and oils comprising edible triglycerides, may be human skin oils, etc.
- the term “receptacle” refers to any article which may be used to hold, contain, carry, etc., the oil absorbing material.
- Receptacles may include bags, sacks, carriers, containers, vessels, holders, packages, packets, envelopes, socks (e.g., sausage-shaped containers), etc.
- Receptacles may permanently enclose, contain, etc., the oil absorbing material (e.g., the oil absorbing material in the receptacle cannot be replenished) or the receptacle may be opened and reclosed to permit replenishing of the oil absorbent material.
- liquid refers to a non-gaseous fluid composition, compound, material, etc., which may be readily towable at the temperature of use (e.g., at a temperature of at least about 100° F.) with little or no tendency to disperse and with a relatively high compressibility.
- aqueous environment refers to a system, container, tank, reservoir, receptacle, bin, compartment, vat, tub, pool, etc., which contains water.
- the term “warm temperature” refers to a temperature of at least about 100° F.
- hot temperature refers to a temperature of at least about 150° F.
- boiling temperature refers to the commonly accepted, meaning of boiling temperature, i.e., a temperature of about 212° F. or 100° C.
- stable against melting means that the article, material, compound, substance, etc., exhibits no appreciable melting at the temperature of use.
- porous material refers to a material which permits the passage of water and oil components freely therethrough.
- Porous materials may be woven (e.g., mesh), materials nonwoven materials, etc.
- Suitable porous materials for use herein may include woven or nonwoven natural fibers, woven or non woven synthetic fibers, etc.
- suitable porous materials may include polyester mesh materials, propylene mesh materials, nylon mesh materials, polyethylene mesh materials, vinyl coated mesh materials, denier hex mesh materials, nylon hex mesh materials, polyester woven mosquito netting materials.
- the term “period of time sufficient to remove at least a portion of the oil components” refers to a period of time where a measurable quantity (part or all) of the oil components are removed. Such a period of time may include, for example, at least about 30 minutes, at least about an hour, at least about 0.5 days, at least about 1 day, at least about 1 week, etc.
- Removing contaminating oil components from warm (e.g., above about 100° F.) or hot (e.g., above about 150° F.) aqueous environments poses significantly more difficult issues compared to removal of such oil components from aqueous environments at room temperature.
- Materials which may be used to remove contaminating oil components from aqueous environment are often used at room or ambient temperatures. But such materials which are used to remove such contaminating oil components at room or ambient temperatures may melt in warm or hot aqueous environments, may dissolve or be degraded in such warm or hot aqueous environments, etc.
- Embodiments of the oil absorbing article of the present invention are designed to be able to operate in such warm or hot aqueous environments, up to and including aqueous environments at boiling temperatures.
- These embodiments of the oil absorbing article of the present invention comprise: an oil absorbent material which is stable against melting at a temperature of at least about 100° F. (for example, at least about 150° F. and up to as high as about 212° F.) in an aqueous environment; a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. (for example, at least about 150° F.
- Embodiments of the oil absorbing article of the present invention may comprise: an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment; a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and which permits the passage of water and oil components through the receptacle; and a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment.
- FIGS. 1 and 2 Embodiments of the oil absorbing article of the present invention are further illustrated in FIGS. 1 and 2 .
- the oil absorbing article is indicated generally as 100 .
- Article 100 includes a receptacle which is exemplified in FIG. 1 as a bag 104 comprising a woven material such as woven polyester fibers.
- Bag 104 comprises a generally rectangular or square-shaped front panel 108 ; front panel 108 may have other shapes including circular-shapes, oval shapes, triangular shapes, etc.
- Front panel 108 includes an upper edge or seam 112 , a pair of spaced apart and opposing side edges or seams 116 and 120 , and a lower edge or seam 124 spaced apart from and opposing upper seam or edge 112 .
- Front panel 108 also has an upper left corner 124 , an upper right corner 128 , a lower left corner 132 and a lower right corner 136 .
- Edge or seam 112 is connected to edge or seam 116 at corner 128 , and to edge or seam 120 at corner 124 .
- Edge or seam 124 is connected to edge or seam 116 at corner 132 , and to edge or seam 120 at corner 136 .
- Article 100 is also provided with a flexible handle 140 which may be in the form of, for example, an elongated polyester thread. As shown in HG. 1 , the ends of handle 140 may be connected to bag 104 at corners 124 and 128 , respectively, for example, by sewing the ends into bag 104 at corners 124 and 128 .
- bag 104 of article 100 also includes a generally rectangular or square shaped back panel 204 which also corresponds at least generally in shape to front panel 108 , and which is connected to front panel 108 at edge or seam 112 (not shown in FIG. 2 ), edge or seam 116 , edge or seam 120 , and edge or seam 124 (not shown in FIG. 2 ).
- article 100 also comprises an oil absorbent material which is illustrated in FIG. 2 in the form of a plurality of oil absorbent beads, spheres, pellets, etc., indicated generally as 208 which are positioned within the inner surface, indicated as 212 , of bag 104 .
- Oil absorbing article 100 shown in FIGS. 1 and 2 may be prepared, for example, by taking a piece of porous (e.g. woven) material, folding it in half along and to form lower edge or seam 124 , and thus front panel 108 and back panel 204 , sealing (e.g., by sewing, melting, etc.) together front panel 108 and back panel 204 at respective side edges or seams 116 and 120 , to form bag 104 , filling bag 104 with oil absorbent material 208 through the opening formed at top edge or seam 112 , and then sealing (e.g., by sewing, melting, etc.) top edge or seam 112 to form a completely sealed bag 104 .
- handle 140 may be attached at corners 124 and 128 , for example, by sewing the ends of handle 140 at respective corners 124 and 128 , as described above.
- Embodiments of the present invention are also directed at methods for using the oil absorbing sponge of the present invention for removing contaminating oil components from an aqueous environment having a temperature of at least about 100° F.
- these methods comprise the following steps: (a) providing an oil absorbent article (according to the embodiments as described above); and (b) placing the oil absorbent article in an aqueous environment having a temperature of at least about 100° F. (for example, at least about 150° F. and up to as high as about 212° F.) and which is contaminated with oil components for a period of time sufficient to remove at least a portion of the oil components.
- Some illustrative embodiments of uses of the oil absorbing article of the present invention may include the following: fluid collection tanks, side compartments, vats, tubs, etc., where, for example, filter screens, filer baskets, pump inlets, etc., may be located, etc., used in, for example, pasteurization, warmer, retort, cooling tunnel, etc., systems for beverage or food products, etc.; hot tubs, swimming pools, etc.; bilge water tanks, pumps, etc., which may be used in ships, etc., and which may be contaminated with oil components; outside aqueous (water) collection or storage tanks, reservoirs, basins, etc., such as a catch basin, etc., which may be contaminated with oil components, such as petroleum-based products, reactors, etc.
- FIG. 3 is a schematic diagram representing an illustrative use of the embodiment of the oil absorbing article shown in FIGS. 1 and 2 .
- FIG. 3 shows a warmer or pasteurization system for beverages which is indicated generally as 300 .
- System 300 has an interior pasteurization area indicated generally as 304 .
- a moving conveyor belt indicated as 308 passes through interior pasteurization area 304 and conveys beverage products, indicated generally by arrows 312 , into and out of pasteurization area 304 in the direction indicated by arrow 316 .
- a pair fluid (e.g., water) collection tanks positioned within pasteurization area 304 .
- Tanks 320 - 1 and 320 - 2 are also provided with respective side pumps 324 - 1 and 324 - 2 for pumping the collected fluid, indicated respectively as 328 - 1 and 328 - 2 back for reuse in the pasteurization process.
- collected fluid 328 - 1 and 328 - 2 becomes contaminated with oil components such as grease, lubricants such as Necker lube, etc., which builds up in concentration and needs to be removed from tanks 320 - 1 and 320 - 2 .
- oil components such as grease, lubricants such as Necker lube, etc.
- an oil absorbing article 100 is positioned in the collected fluid 328 - 1 in tank 320 - 1 .
- handle 140 is positioned over an article hanger, such as a peg, hook, bracket, etc., in tank 320 - 1 so that article 100 may hang in a relatively fixed and stationery position in tank 320 - 1 to absorb and remove contaminating oil components from collected fluid 328 - 1 .
Abstract
An oil absorbing article which includes an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment; a receptacle for holding the oil absorbent material having a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and which permits the passage of water and oil components through the receptacle; and a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment. Also, a method for using the oil absorbing article by placing the article in an aqueous environment having a temperature of at least about 100° F. and which is contaminated with oil components for a period of time sufficient to remove at least a portion of the oil components.
Description
- This application makes reference to and claims the benefit of the following co-pending U.S. Provisional Patent Application No. 61/415,377, filed Nov. 19, 2010. The entire disclosure and contents of the foregoing Provisional Application is hereby incorporated by reference.
- The present invention broadly relates to oil absorbing article. The present invention also broadly relates to a method for using this oil absorbing article to remove oil from a relatively warm or hot aqueous environment.
- Previously, water was a relatively inexpensive resource. But in recent years as water resources have become scarcer and overused, the importance of recycling and reusing water present in various water systems has increased. These water systems may include warm (e.g., above about 100° F.) or hot (e.g., above about 150° F.) water systems such as collection tanks for warmers, pasteurizers, cooling tunnels, etc., used in packaging beverages and food products, hot tubs, swimming pools, etc. In some instances these hot water systems may reach temperatures as high as the boiling point of water (e.g., about 212° F. or 100° C.)
- These warm or hot water systems may also become contaminated with oil components from various sources. For example, these oil components may be petroleum-based sources (e.g., hydrocarbons such as oil, grease, lubricants, etc.), may be from plant or animal sources, such as fats and oils comprising edible triglycerides, may be human skin oils, etc. In order to continually reuse, the water in these warm or hot aqueous environments, these contaminating oil components may need to be removed at least periodically.
- According to a first broad aspect of the present invention, there is provided an product comprising an oil absorbing article comprising:
-
- an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment;
- a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and which permits the passage of water and oil components through the receptacle; and
- a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment.
- According to a second broad aspect of the present invention, there is provided a method for removing contaminating oil components from an aqueous environment having a temperature of at least about 100° F., comprising the following steps:
-
- a. providing an oil absorbent article comprising:
- an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment;
- a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and which permits the passage of water and oil components through the receptacle; and
- a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment; and
- b. placing the oil absorbent article in an, aqueous environment having temperature of at least about 100° F. and which is contaminated with oil components for a period of time sufficient to remove at least a portion of the oil components.
- a. providing an oil absorbent article comprising:
- The invention will be described in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a frontal perspective view an embodiment of an oil absorbing article of the present invention; -
FIG. 2 is side sectional view of the embodiment of the oil absorbing article ofFIG. 1 taken along line 2-2; and -
FIG. 3 is a schematic diagram of a warmer or pasteurization system for beverage products which shows an embodiment of an oil, absorbing sponge in use for removing contaminating oil components from a water collection tank; - It is advantageous to define several terms before describing the invention. It should be appreciated that the following definitions are used throughout this application.
- Where the definition of terms departs from the commonly used meaning of the term, applicant intends to utilize the definitions provided below, unless specifically indicated.
- For the purposes of the present invention, directional terms such as “outer,” “inner,” “upper,” “lower,” “top”, “bottom”, “side,” “front,” “frontal,” “forward,” “rear,” “rearward,” “back,” “trailing,” “above”, “below”, “left”, “right”, “horizontal”, “vertical”, “upward”, “downward”, etc. are merely used for convenience in describing the various embodiments of the present invention. For example, the embodiments shown in
FIGS. 1 through 3 may be flipped over, rotated by 90° in any direction, etc. - For the purposes of the present invention, the term “oil absorbing material” refers to a material which is capable of absorbing, imbibing, etc., oil components from an aqueous environment at a temperature of at least about 100° F. The oil absorbing material may be in the form of a plurality of particles, spheres, beads, pellets, loose fibers, etc., or may be in the form of a unitary mass, such as a pad, sheet, block, wad, woven fibers, body, disc, piece, chunk, lump, clump, tablet, insert, aggregate, etc. Suitable oil absorbent materials may include, for example, melt blown polypropylene pads, melt blown polypropylene loose fibers, melt blown polypropylene particles, melt blown polypropylene loose pulp, wood particles, cellulosic fibers, particles, spheres, beads, pellets made from one or more of: styrene-butadiene copolymers, styrene-isoprene copolymers, styrene-butadiene-styrene block copolymers, styrene-isoprene-styrene block copolymers, styrene-butadiene-styrene/ethylene-propylene diene block copolymers, styrene-ethylene-propylene-styrene block copolymers, such as, for example, KRATON G series copolymers (e.g., polystyrene-poly(ethylene/butylene)-polystyrene copolymer) such as KRATON G-1650 or KRATON G-1651 or KRATON G-1652 made by Shell Chemical Company. See U.S. Pat. No. 3,518,183 (Evans), issued Jun. 30, 1970; U.S. Pat. No. 6,344,519 (Rink et al.), Feb. 5, 2002; U.S. Pat. No. 4,941,978 (Gabrick), issued Jul. 17, 1990, the entire contents and disclosure of which are herein incorporated by reference. In some embodiments, suitable oil absorbent materials may include a blend, mixture, alloy, etc., of from about 55 to about 98% by weight of one or more elastomeric polystyrene-butadiene copolymers, polystyrene-butadiene-polystyrene triblock copolymers, polystyrene-isoprene-polystyrene triblock copolymers, polystyrene grafts of elastomers, etc.; from about 3 to about 45% by weight of one or more thermoplastic polystyrenes, polyolefins, etc.; and from about 0.01 to about 12% by weight of one or more fillers such as oxides and carbonates of magnesium and/or calcium, talc, silica, diatomaceous earth, etc., such as, for example, DYNEON™ HISORB 1151 sold in the form of pellets comprising 90-98% styrene-butadiene copolymer, 3-5% styrene-isoprene copolymer and up to 0.05% talc by Dyneon of Oakdale, Minn. See U.S. Pat. No. 6,582,608 (Miller), issued Jun. 24, 2003, the entire contents and disclosure of which is herein incorporated by reference.
- For the purposes of the present invention, the term “oil components” refers to lipophilic materials which are liquid at a temperature of at least about 100° F. Oil components which may include petroleum-based sources (e.g., hydrocarbons such as oil, grease, lubricants such as Necker lube, etc.), may be from plant or animal sources, such as fats and oils comprising edible triglycerides, may be human skin oils, etc.
- For the purposes of the present invention, the term “receptacle” refers to any article which may be used to hold, contain, carry, etc., the oil absorbing material. Receptacles may include bags, sacks, carriers, containers, vessels, holders, packages, packets, envelopes, socks (e.g., sausage-shaped containers), etc. Receptacles may permanently enclose, contain, etc., the oil absorbing material (e.g., the oil absorbing material in the receptacle cannot be replenished) or the receptacle may be opened and reclosed to permit replenishing of the oil absorbent material.
- For the purposes of the present invention, the term “liquid” refers to a non-gaseous fluid composition, compound, material, etc., which may be readily towable at the temperature of use (e.g., at a temperature of at least about 100° F.) with little or no tendency to disperse and with a relatively high compressibility.
- For the purposes of the present invention, the term “aqueous environment” refers to a system, container, tank, reservoir, receptacle, bin, compartment, vat, tub, pool, etc., which contains water.
- For the purposes of the present invention, the term “warm temperature” refers to a temperature of at least about 100° F.
- For the purposes of the present invention, the term “hot temperature” refers to a temperature of at least about 150° F.
- For the purposes of the present invention, the term “boiling temperature” refers to the commonly accepted, meaning of boiling temperature, i.e., a temperature of about 212° F. or 100° C.
- For the purposes of the present invention, the term “stable against melting” means that the article, material, compound, substance, etc., exhibits no appreciable melting at the temperature of use.
- For the purposes of the present invention, the term “porous material” with reference to the receptacle refers to a material which permits the passage of water and oil components freely therethrough. Porous materials may be woven (e.g., mesh), materials nonwoven materials, etc. Suitable porous materials for use herein may include woven or nonwoven natural fibers, woven or non woven synthetic fibers, etc. For example, suitable porous materials may include polyester mesh materials, propylene mesh materials, nylon mesh materials, polyethylene mesh materials, vinyl coated mesh materials, denier hex mesh materials, nylon hex mesh materials, polyester woven mosquito netting materials. PhiFerTex® polyvinyl chloride (PVC) vinyl coated polyester mesh materials, trampoline fabric, fiberglass weave mesh materials, nonwoven polyester materials, nonwoven polypropylene materials, nonwoven nylon materials, nonwoven polypropylene materials, etc., Ultra-X-Tex® fabric made from recycled synthetic fibers, etc.
- For the purposes of the present invention, the term “period of time sufficient to remove at least a portion of the oil components” refers to a period of time where a measurable quantity (part or all) of the oil components are removed. Such a period of time may include, for example, at least about 30 minutes, at least about an hour, at least about 0.5 days, at least about 1 day, at least about 1 week, etc.
- Removing contaminating oil components from warm (e.g., above about 100° F.) or hot (e.g., above about 150° F.) aqueous environments poses significantly more difficult issues compared to removal of such oil components from aqueous environments at room temperature. Materials which may be used to remove contaminating oil components from aqueous environment are often used at room or ambient temperatures. But such materials which are used to remove such contaminating oil components at room or ambient temperatures may melt in warm or hot aqueous environments, may dissolve or be degraded in such warm or hot aqueous environments, etc.
- Embodiments of the oil absorbing article of the present invention are designed to be able to operate in such warm or hot aqueous environments, up to and including aqueous environments at boiling temperatures. These embodiments of the oil absorbing article of the present invention comprise: an oil absorbent material which is stable against melting at a temperature of at least about 100° F. (for example, at least about 150° F. and up to as high as about 212° F.) in an aqueous environment; a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. (for example, at least about 150° F. and up to as high as about 212° F.) in an aqueous environment and which permits the passage of water and oil components through the receptacle; and a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment.
- Embodiments of the oil absorbing article of the present invention may comprise: an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment; a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and which permits the passage of water and oil components through the receptacle; and a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment.
- Embodiments of the oil absorbing article of the present invention are further illustrated in
FIGS. 1 and 2 . Referring toFIG. 1 , the oil absorbing article is indicated generally as 100.Article 100 includes a receptacle which is exemplified inFIG. 1 as abag 104 comprising a woven material such as woven polyester fibers.Bag 104 comprises a generally rectangular or square-shapedfront panel 108;front panel 108 may have other shapes including circular-shapes, oval shapes, triangular shapes, etc.Front panel 108 includes an upper edge orseam 112, a pair of spaced apart and opposing side edges orseams seam 124 spaced apart from and opposing upper seam oredge 112.Front panel 108 also has an upperleft corner 124, an upperright corner 128, a lowerleft corner 132 and a lowerright corner 136. Edge orseam 112 is connected to edge orseam 116 atcorner 128, and to edge orseam 120 atcorner 124. Edge orseam 124 is connected to edge orseam 116 atcorner 132, and to edge orseam 120 atcorner 136.Article 100 is also provided with aflexible handle 140 which may be in the form of, for example, an elongated polyester thread. As shown in HG. 1, the ends ofhandle 140 may be connected tobag 104 atcorners bag 104 atcorners - Referring to
FIG. 2 ,bag 104 ofarticle 100 also includes a generally rectangular or square shaped backpanel 204 which also corresponds at least generally in shape tofront panel 108, and which is connected tofront panel 108 at edge or seam 112 (not shown inFIG. 2 ), edge orseam 116, edge orseam 120, and edge or seam 124 (not shown inFIG. 2 ). As also shown inFIG. 2 ,article 100 also comprises an oil absorbent material which is illustrated inFIG. 2 in the form of a plurality of oil absorbent beads, spheres, pellets, etc., indicated generally as 208 which are positioned within the inner surface, indicated as 212, ofbag 104. -
Oil absorbing article 100 shown inFIGS. 1 and 2 may be prepared, for example, by taking a piece of porous (e.g. woven) material, folding it in half along and to form lower edge orseam 124, and thusfront panel 108 andback panel 204, sealing (e.g., by sewing, melting, etc.) togetherfront panel 108 andback panel 204 at respective side edges orseams bag 104, fillingbag 104 with oilabsorbent material 208 through the opening formed at top edge orseam 112, and then sealing (e.g., by sewing, melting, etc.) top edge orseam 112 to form a completely sealedbag 104. After sealedbag 104 is formed, handle 140 may be attached atcorners handle 140 atrespective corners - Embodiments of the present invention are also directed at methods for using the oil absorbing sponge of the present invention for removing contaminating oil components from an aqueous environment having a temperature of at least about 100° F. these methods comprise the following steps: (a) providing an oil absorbent article (according to the embodiments as described above); and (b) placing the oil absorbent article in an aqueous environment having a temperature of at least about 100° F. (for example, at least about 150° F. and up to as high as about 212° F.) and which is contaminated with oil components for a period of time sufficient to remove at least a portion of the oil components.
- Some illustrative embodiments of uses of the oil absorbing article of the present invention may include the following: fluid collection tanks, side compartments, vats, tubs, etc., where, for example, filter screens, filer baskets, pump inlets, etc., may be located, etc., used in, for example, pasteurization, warmer, retort, cooling tunnel, etc., systems for beverage or food products, etc.; hot tubs, swimming pools, etc.; bilge water tanks, pumps, etc., which may be used in ships, etc., and which may be contaminated with oil components; outside aqueous (water) collection or storage tanks, reservoirs, basins, etc., such as a catch basin, etc., which may be contaminated with oil components, such as petroleum-based products, reactors, etc.
-
FIG. 3 is a schematic diagram representing an illustrative use of the embodiment of the oil absorbing article shown inFIGS. 1 and 2 .FIG. 3 shows a warmer or pasteurization system for beverages which is indicated generally as 300.System 300 has an interior pasteurization area indicated generally as 304. A moving conveyor belt indicated as 308 passes throughinterior pasteurization area 304 and conveys beverage products, indicated generally byarrows 312, into and out ofpasteurization area 304 in the direction indicated byarrow 316. - As shown in
FIG. 3 , positioned withinpasteurization area 304 are a pair fluid (e.g., water) collection tanks, indicated respectively as 320-1 and 320-2. Tanks 320-1 and 320-2 are also provided with respective side pumps 324-1 and 324-2 for pumping the collected fluid, indicated respectively as 328-1 and 328-2 back for reuse in the pasteurization process. Over time, collected fluid 328-1 and 328-2 becomes contaminated with oil components such as grease, lubricants such as Necker lube, etc., which builds up in concentration and needs to be removed from tanks 320-1 and 320-2. As shown inFIG. 3 , anoil absorbing article 100 is positioned in the collected fluid 328-1 in tank 320-1. As further shown inFIG. 3 , handle 140 is positioned over an article hanger, such as a peg, hook, bracket, etc., in tank 320-1 so thatarticle 100 may hang in a relatively fixed and stationery position in tank 320-1 to absorb and remove contaminating oil components from collected fluid 328-1. - All documents, patents, journal articles and other materials cited in the present application are hereby incorporated by reference.
- Although the present invention has been fully described in conjunction with several embodiments thereof with reference to the accompanying drawings, it is to be understood that various changes and modifications may be apparent to those skilled in the art. Such changes and modifications are to be understood as included within the scope of the present invention as defined by the appended claims, unless they depart therefrom.
Claims (20)
1. A product comprising an oil absorbing article comprising:
an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment;
a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and which permits the passage of water and oil components through the receptacle; and
a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment.
2. The article of claim 1 , wherein the receptacle is a bag, sack, carrier, container, vessel, holder, package, packet envelope or sock.
3. The article of claim 2 , wherein the receptacle is a bag.
4. The article of claim 3 , wherein the porous material is a woven polyester mesh material, a woven propylene mesh material, woven nylon mesh material, a woven polyethylene mesh material, or a woven vinyl coated mesh material.
5. The article of claim 4 , wherein the porous material is a woven polyester mesh material.
6. The article of claim 1 , wherein the oil absorbent material is a plurality of particles, spheres, beads, pellets, or loose fibers.
7. The article of claim 6 , wherein the oil absorbent material is a plurality of pellets.
8. The article of claim 6 , wherein the oil, absorbent material comprises one or more of: styrene-butadiene copolymers, styrene-isoprene copolymers, styrene-butadiene-styrene block copolymers, styrene-isoprene-styrene block copolymers, styrene-butadiene-styrene/ethylene-propylene diene block copolymers, or styrene-ethylene-propylene-styrene block copolymers.
9. The article of claim 8 , wherein the oil absorbent material comprises one or more of: styrene-butadiene copolymers, or styrene-isoprene copolymers.
10. The article of claim 6 , wherein the oil absorbent material comprises from about 55 to about 98% by weight of one or more elastomeric polystyrene-butadiene copolymers, polystyrene-butadiene-polystyrene triblock copolymers, polystyrene-isoprene-polystyrene triblock copolymers, or polystyrene grafts of elastomers; from about 3 to about 45% by weight of one or more thermoplastic polystyrenes or polyolefins; and from about 0.01 to about 12% by weight of one or more fillers which are oxides or carbonates of magnesium, oxides or carbonates of calcium, talc, silica, or diatomaceous earth.
11. The article of claim 1 , wherein the receptacle comprises a generally rectangular-shaped front panel and a generally rectangular shaped back panel, each of the front and back panels being sealed at an upper edge, at a pair of spaced apart and opposing side edges, and at a lower edge spaced apart from and opposing the upper edge, and wherein the oil absorbent material comprises a plurality of oil absorbent pellets.
12. The product of claim 1 , wherein:
the pellets comprise 90-98% styrene-butadiene copolymer and 3-5% styrene-isoprene copolymer; and
the receptacle comprises a bag, the bag comprising a porous woven mesh polyester and having a generally rectangular-shaped front panel and a generally rectangular shaped back panel, each of the front and back panels being sealed at an upper edge, at a pair of spaced apart and opposing side edges, and at a lower edge spaced apart from and opposing the upper edge.
13. A method comprising the following steps:
a. providing an oil absorbent article comprising:
an oil absorbent material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment;
a receptacle for holding the oil absorbent material comprising a porous material which is stable against melting at a temperature of at least about 100° F. in an aqueous environment and, which permits the passage of water and oil components through the receptacle; and
a flexible handle attached to the receptacle for hanging the oil absorbent article in the aqueous environment; and
b. placing the oil absorbent article in an aqueous environment having a temperature of at least about 100° F. and which is contaminated with oil components for a period of time sufficient to remove at least a portion of the oil components.
14. The method of claim 13 , wherein the aqueous environment of step (b) has a temperature of at least about 150° F.
15. The method of claim 13 , wherein the aqueous environment is a fluid, collection tank, side compartment, vat, or tub for a pasteurization, warmer, retort, or cooling tunnel system for beverage or food products.
16. The method of claim 13 , wherein the aqueous environment is a hot tub or swimming pool.
17. The method of claim 13 , wherein the aqueous environment is an outside aqueous collection or storage tank, reservoir, or basin, which is contaminated with oil components.
18. The method of claim 13 , wherein the period of time in which step (b) is carried out is at least about 30 minutes.
19. The method of claim 18 , wherein the period of time in which step (b) is carried out is at least about 1 day.
20. The method of claim 13 , wherein the aqueous environment of step (b) comprises a fluid collection tank in a warmer or pasteurization system for beverages or foods, and wherein the handle is positioned over an article hanger so that the article of step (a) may hang in a relatively fixed and stationery position in the fluid collection tank.
Priority Applications (2)
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US13/239,443 US20120125854A1 (en) | 2010-11-19 | 2011-09-22 | Oil Absorbing Article and Method for Using Same |
US14/451,578 US9440865B2 (en) | 2010-11-19 | 2014-08-05 | Method for using an oil absorbing article |
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US41537710P | 2010-11-19 | 2010-11-19 | |
US13/239,443 US20120125854A1 (en) | 2010-11-19 | 2011-09-22 | Oil Absorbing Article and Method for Using Same |
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US14/451,578 Division US9440865B2 (en) | 2010-11-19 | 2014-08-05 | Method for using an oil absorbing article |
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US20120125854A1 true US20120125854A1 (en) | 2012-05-24 |
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US14/451,578 Active 2032-05-18 US9440865B2 (en) | 2010-11-19 | 2014-08-05 | Method for using an oil absorbing article |
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US14/451,578 Active 2032-05-18 US9440865B2 (en) | 2010-11-19 | 2014-08-05 | Method for using an oil absorbing article |
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US9440865B2 (en) | 2016-09-13 |
US20140346116A1 (en) | 2014-11-27 |
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