WO2001064006A3 - Treatment of scale - Google Patents
Treatment of scale Download PDFInfo
- Publication number
- WO2001064006A3 WO2001064006A3 PCT/EP2001/001734 EP0101734W WO0164006A3 WO 2001064006 A3 WO2001064006 A3 WO 2001064006A3 EP 0101734 W EP0101734 W EP 0101734W WO 0164006 A3 WO0164006 A3 WO 0164006A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scale
- monomer
- antiscalent
- salts
- ethylenically unsaturated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002401271A CA2401271C (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
JP2001562921A JP2003530204A (en) | 2000-02-29 | 2001-02-16 | Scale processing |
EP01927673A EP1332114A2 (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
AU2001254646A AU2001254646B2 (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
KR1020027011153A KR20020075451A (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
HU0301809A HUP0301809A2 (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
AU5464601A AU5464601A (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/515,729 | 2000-02-29 | ||
US09/515,729 US6391207B1 (en) | 2000-02-29 | 2000-02-29 | Treatment of scale |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001064006A2 WO2001064006A2 (en) | 2001-09-07 |
WO2001064006A3 true WO2001064006A3 (en) | 2003-05-08 |
Family
ID=24052504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/001734 WO2001064006A2 (en) | 2000-02-29 | 2001-02-16 | Treatment of scale |
Country Status (8)
Country | Link |
---|---|
US (1) | US6391207B1 (en) |
EP (1) | EP1332114A2 (en) |
JP (1) | JP2003530204A (en) |
KR (1) | KR20020075451A (en) |
AU (2) | AU2001254646B2 (en) |
CA (1) | CA2401271C (en) |
HU (1) | HUP0301809A2 (en) |
WO (1) | WO2001064006A2 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6589461B2 (en) * | 1999-11-18 | 2003-07-08 | Hansen, Incapacitated Austin C. | Method of making a treatment chemical cartridge |
MY129053A (en) * | 2001-06-06 | 2007-03-30 | Thermphos Trading Gmbh | Composition for inhibiting calcium salt scale |
DE10207088A1 (en) * | 2002-02-20 | 2003-08-28 | Bayer Ag | Prevention of incrustations of phosphate-containing double salts |
US6863825B2 (en) * | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
US7182872B2 (en) * | 2003-08-01 | 2007-02-27 | Wisconsin Alumni Research Foundation | Struvite crystallization |
US7396453B1 (en) * | 2005-04-19 | 2008-07-08 | Procorp Enterprises, Llc | Hydraulically integrated solids/liquid separation system for wastewater treatment |
US7270796B2 (en) * | 2005-08-11 | 2007-09-18 | Castion Corporation | Ammonium/ammonia removal from a stream |
US20080156726A1 (en) * | 2006-09-06 | 2008-07-03 | Fassbender Alexander G | Integrating recycle stream ammonia treatment with biological nutrient removal |
US20080053913A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Nutrient recovery process |
US20080053909A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Ammonia recovery process |
US8066874B2 (en) | 2006-12-28 | 2011-11-29 | Molycorp Minerals, Llc | Apparatus for treating a flow of an aqueous solution containing arsenic |
US8252087B2 (en) | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant |
US8349764B2 (en) * | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
US20090107925A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing biological contaminants |
US8153006B1 (en) | 2008-06-05 | 2012-04-10 | Procorp Enterprises, Llc | Anaerobic treatment process for ethanol production |
CA2767400A1 (en) * | 2009-07-06 | 2011-01-13 | Molycorp Minerals Llc | Ceria for use as an antimicrobial barrier and disinfectant in a wound dressing |
US8398855B1 (en) | 2009-09-30 | 2013-03-19 | Philip Bruno Pedros | BioCAST process |
CZ2010424A3 (en) * | 2010-05-28 | 2011-11-16 | Vysoká Škola Chemicko-Technologická | Removal of deposits and inhibition of corrosion on heat-exchange surfaces of power plants |
US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
US20120318745A1 (en) * | 2011-06-17 | 2012-12-20 | Multiform Harvest Inc. | Method for inhibiting flocculation in wastewater treatment |
US10280100B1 (en) | 2012-09-19 | 2019-05-07 | Premier Magnesia, Llc | Compositions and methods for treating wastewater |
CN103739091A (en) * | 2014-01-08 | 2014-04-23 | 河南工业大学 | Method for preventing anaerobic effluent struvite scaling |
WO2015134981A2 (en) | 2014-03-07 | 2015-09-11 | Molycorp Minerals, Llc | Cerium (iv) oxide with exceptional arsenic removal properties |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900451A (en) * | 1989-02-01 | 1990-02-13 | Betz Laboratories, Inc. | Method of controlling manganese deposition in open recirculating aqueous systems |
US5352365A (en) * | 1993-02-22 | 1994-10-04 | Fuller Richard L | Process for removing scale, and reducing scale formation in sewage treatment plants |
US5454954A (en) * | 1993-09-21 | 1995-10-03 | Calgon Corporation | Scale control in metal mining circuits using polyether polyamino methylene phosphonates |
US6063289A (en) * | 1998-10-01 | 2000-05-16 | Albright & Wilson Americas Inc. | Method for controlling scale using synergistic phosphonate blends |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4506062A (en) | 1982-08-09 | 1985-03-19 | Allied Colloids Limited | Inverse suspension polymerization process |
GB8309275D0 (en) | 1983-04-06 | 1983-05-11 | Allied Colloids Ltd | Dissolution of water soluble polymers in water |
EP0129329B2 (en) | 1983-05-20 | 1998-04-01 | Ciba Specialty Chemicals Water Treatments Limited | Water soluble polymers and dispersions containing them |
GB8401206D0 (en) | 1984-01-17 | 1984-02-22 | Allied Colloids Ltd | Polymers and aqueous solutions |
GB8428984D0 (en) | 1984-11-16 | 1984-12-27 | Allied Colloids Ltd | Water soluble polymers |
US5087376A (en) * | 1990-10-15 | 1992-02-11 | Calgon Corporation | Multifunctional scale inhibitors |
US5593595A (en) * | 1995-10-06 | 1997-01-14 | Calgon Corporation | Method for controlling scale using a synergistic phosphonate combination |
US5798043A (en) * | 1997-12-01 | 1998-08-25 | Khudenko Engineering, Inc. | Control of anaerobic wastewater treatment |
-
2000
- 2000-02-29 US US09/515,729 patent/US6391207B1/en not_active Expired - Fee Related
-
2001
- 2001-02-16 AU AU2001254646A patent/AU2001254646B2/en not_active Ceased
- 2001-02-16 AU AU5464601A patent/AU5464601A/en active Pending
- 2001-02-16 JP JP2001562921A patent/JP2003530204A/en active Pending
- 2001-02-16 WO PCT/EP2001/001734 patent/WO2001064006A2/en active Application Filing
- 2001-02-16 EP EP01927673A patent/EP1332114A2/en not_active Withdrawn
- 2001-02-16 CA CA002401271A patent/CA2401271C/en not_active Expired - Fee Related
- 2001-02-16 KR KR1020027011153A patent/KR20020075451A/en not_active Application Discontinuation
- 2001-02-16 HU HU0301809A patent/HUP0301809A2/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900451A (en) * | 1989-02-01 | 1990-02-13 | Betz Laboratories, Inc. | Method of controlling manganese deposition in open recirculating aqueous systems |
US5352365A (en) * | 1993-02-22 | 1994-10-04 | Fuller Richard L | Process for removing scale, and reducing scale formation in sewage treatment plants |
US5454954A (en) * | 1993-09-21 | 1995-10-03 | Calgon Corporation | Scale control in metal mining circuits using polyether polyamino methylene phosphonates |
US6063289A (en) * | 1998-10-01 | 2000-05-16 | Albright & Wilson Americas Inc. | Method for controlling scale using synergistic phosphonate blends |
Also Published As
Publication number | Publication date |
---|---|
JP2003530204A (en) | 2003-10-14 |
HUP0301809A2 (en) | 2003-09-29 |
AU2001254646B2 (en) | 2006-09-21 |
AU5464601A (en) | 2001-09-12 |
WO2001064006A2 (en) | 2001-09-07 |
KR20020075451A (en) | 2002-10-04 |
CA2401271A1 (en) | 2001-09-07 |
CA2401271C (en) | 2007-03-13 |
EP1332114A2 (en) | 2003-08-06 |
US6391207B1 (en) | 2002-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001064006A3 (en) | Treatment of scale | |
JP2003530204A5 (en) | ||
US5352365A (en) | Process for removing scale, and reducing scale formation in sewage treatment plants | |
ATE180798T1 (en) | GRAFT COPOLYMERS OF UNSATURATED MONOMERS AND POLYHYDROXY COMPOUNDS, METHOD FOR THEIR PRODUCTION AND THEIR USE | |
ATE154621T1 (en) | METHOD FOR PRODUCING CORE-Shell COPOLYMER DISPERSIONS, THE SHELL OF WHICH SHELL CONTAINS HYDROLIZABLE, ORGANIC SILICON COMONOMERS | |
TW370691B (en) | Method for removing photoresist and plasma etch residues | |
CA2144372A1 (en) | Composition for water treatment | |
JPH0215184A (en) | Corrosion suppressing method by molybdate composition | |
ATE123297T1 (en) | WATER-SOLUBLE LOW MOLECULAR WEIGHT COPOLYMERS, METHOD FOR THE PRODUCTION THEREOF AND DETERGENT AND CLEANING AGENTS CONTAINING SAME. | |
AU2001254646A1 (en) | Treatment of scale | |
NO20031119L (en) | A method for improving fluid retention of a hydraulically admixed addition therefor | |
DE69608136D1 (en) | POLYMER INHIBITORS AGAINST SILICATE COATING IN PROCESS WATER | |
EP1170312A3 (en) | Low-molecular (meth)acrylic acid (salt)-based polymer and its production process and uses | |
CA2432677A1 (en) | Phosphate stabilizing compositions | |
EP1125590A3 (en) | Bioadhesive composition | |
ATE136044T1 (en) | GRAFTED POLYSACCHARIDES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS SEQUESTRING AGENT | |
DE69020299T2 (en) | Process for the manufacture of anti-scale agents. | |
AU6033701A (en) | Mechanical warewashing compositions containing scale inhibiting polymers | |
AU2001250662A1 (en) | Sequestering | |
DE59402833D1 (en) | POLYCOCONDENSATES BASED ON ASPARAGIC ACID, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE | |
Hunter et al. | A review of the behaviour and utilization of polycarboxylic acids as detergent builders | |
EP1241140A3 (en) | Process for reducing scaling while collecting and drawing off water | |
EP0892838A1 (en) | Use of aspartic acid-containing polymers in cooling circuits with added biocides | |
JP4598330B2 (en) | Anticorrosion method | |
EP1088794A3 (en) | Polymers containing styrene and unsaturated polycarboxylates as monomers for high stressed water treatment application |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2001927673 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020027011153 Country of ref document: KR Ref document number: 2401271 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 2001 562921 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001254646 Country of ref document: AU |
|
WWP | Wipo information: published in national office |
Ref document number: 1020027011153 Country of ref document: KR |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 2001927673 Country of ref document: EP |