DE69701074D1 - Verfahren zur Entfernung von hydrophoben Verunreinigungen aus Wasserkläranlagen - Google Patents
Verfahren zur Entfernung von hydrophoben Verunreinigungen aus WasserkläranlagenInfo
- Publication number
- DE69701074D1 DE69701074D1 DE69701074T DE69701074T DE69701074D1 DE 69701074 D1 DE69701074 D1 DE 69701074D1 DE 69701074 T DE69701074 T DE 69701074T DE 69701074 T DE69701074 T DE 69701074T DE 69701074 D1 DE69701074 D1 DE 69701074D1
- Authority
- DE
- Germany
- Prior art keywords
- water treatment
- treatment plants
- hydrophobic contaminants
- removing hydrophobic
- contaminants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/022—Chemicals therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
-
- 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
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/700,000 US5798046A (en) | 1996-08-20 | 1996-08-20 | Enhanced removal of hydrophobic contaminants from water clarification systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69701074D1 true DE69701074D1 (de) | 2000-02-10 |
DE69701074T2 DE69701074T2 (de) | 2000-10-12 |
Family
ID=24811810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997601074 Expired - Fee Related DE69701074T2 (de) | 1996-08-20 | 1997-08-19 | Verfahren zur Entfernung von hydrophoben Verunreinigungen aus Wasserkläranlagen |
Country Status (10)
Country | Link |
---|---|
US (1) | US5798046A (de) |
EP (1) | EP0825293B1 (de) |
AU (1) | AU719019B2 (de) |
BR (1) | BR9704472A (de) |
CA (1) | CA2213367A1 (de) |
DE (1) | DE69701074T2 (de) |
ES (1) | ES2140938T3 (de) |
ID (1) | ID18056A (de) |
MY (1) | MY115550A (de) |
NO (1) | NO973815L (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2952373B1 (ja) | 1998-09-09 | 1999-09-27 | 株式会社 羽野組 | 建造物の清掃方法 |
US6890431B1 (en) * | 2000-02-18 | 2005-05-10 | The F. B. Leopold Co., Inc. | Buoyant media flotation |
US6666950B2 (en) | 2001-11-28 | 2003-12-23 | Basf Ag | Process for deinking paper using a triglyceride |
US7168387B1 (en) | 2006-01-26 | 2007-01-30 | King Fahd University Of Petroleum And Minerals | Submersible craft for water purification |
JP2010529421A (ja) * | 2007-05-16 | 2010-08-26 | バックマン・ラボラトリーズ・インターナショナル・インコーポレーテッド | パルプ及び繊維中の有機夾雑物を検出する方法 |
US8160305B2 (en) * | 2007-11-30 | 2012-04-17 | Hercules Incorporated | Method and apparatus for measuring deposition of particulate contaminants in pulp and paper slurries |
US8353641B2 (en) * | 2008-02-14 | 2013-01-15 | Soane Energy, Llc | Systems and methods for removing finely dispersed particulate matter from a fluid stream |
US8349188B2 (en) * | 2008-02-14 | 2013-01-08 | Soane Mining, Llc | Systems and methods for removing finely dispersed particulate matter from a fluid stream |
US8945394B2 (en) * | 2009-10-27 | 2015-02-03 | Soane Energy, Llc | System, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream |
BRPI0923988A2 (pt) | 2009-02-27 | 2016-10-11 | Soane Energy Llc | sistema para remover matéria particulada de um fluido, método para remover matéria particulada de um fluido, método para remover matéria particulada de uma corrente de fluido, sistema para remover matéria particulada fina de um fluido e método para remover matéria particulada fina de um fluido |
US8980059B2 (en) | 2009-08-12 | 2015-03-17 | Nanopaper, Llc | High strength paper |
WO2011050090A1 (en) | 2009-10-20 | 2011-04-28 | Soane Mining, Llc | Systems and methods for recovering fine particles from fluid suspensions for combustion |
CA2875659A1 (en) | 2012-06-15 | 2013-12-19 | Nanopaper, Llc | Additives for papermaking |
CA2876342C (en) | 2012-06-18 | 2017-06-13 | Soane Mining, Llc | Systems and methods for removing finely dispersed particles from mining wastewater |
US10782241B2 (en) | 2017-07-27 | 2020-09-22 | Ecolab Usa Inc. | Method of determining residual flocculant in effluent of an industrial clarification process |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1179098B (de) * | 1961-05-03 | 1964-10-01 | Basf Ag | Flotationsmittel zum Klaeren von Papierfasern enthaltenden Abwaessern |
US3764460A (en) * | 1969-04-01 | 1973-10-09 | Japan Maize Products Co Ltd | Process of deinking waste paper materials |
US3873418A (en) * | 1970-02-09 | 1975-03-25 | Savo Oy | Method of recovering noil fibres and soluble wood material from waste water |
CA1024274A (en) * | 1973-11-28 | 1978-01-10 | Pulp And Paper Research Institute Of Canada | Treatment of pulp mill effluents |
US4076578A (en) * | 1974-10-21 | 1978-02-28 | Canadian Patents And Development Limited | Ink removal from waste paper |
US4276118A (en) * | 1979-10-09 | 1981-06-30 | Weyerhaeuser Company | Deinking waste electrophotography copy paper |
US4886575A (en) * | 1985-10-08 | 1989-12-12 | Betz Laboratories, Inc. | Detackification of adhesive materials contained in secondary fiber with polyvinyl alcohol |
US4738750A (en) * | 1986-02-10 | 1988-04-19 | Stone Container Corp. | System and method for treating pulp and paper mill waste water |
JPS63152493A (ja) * | 1986-12-11 | 1988-06-24 | 新王子製紙株式会社 | パルプ紙製造工程水中のピツチの除去法 |
CA1316300C (en) * | 1988-07-19 | 1993-04-20 | Richard N. Van Oss | Method for pacifying stickies in paper |
WO1990014310A1 (en) * | 1989-05-22 | 1990-11-29 | Commonwealth Scientific And Industrial Research Organisation | Effluent treatment |
US5080759A (en) * | 1990-09-04 | 1992-01-14 | Quaker Chemical Corporation | Method for controlling stickies in pulp and papermaking processes using recycled paper |
GB2251868B (en) * | 1990-12-24 | 1994-07-27 | Grace W R & Co | Pitch control |
US5173208A (en) * | 1991-06-17 | 1992-12-22 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
US5230808A (en) * | 1991-06-17 | 1993-07-27 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
US5256254A (en) * | 1991-07-12 | 1993-10-26 | Betz Paperchem, Inc. | Methods of controlling deposition in a paper machine dryer section |
US5266166A (en) * | 1992-05-18 | 1993-11-30 | Betz Paperchem, Inc. | Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer |
US5246547A (en) * | 1992-07-14 | 1993-09-21 | Nalco Chemical Company | Hydrophobic polyelectrolyte coagulants for the control of pitch in pulp and paper systems |
US5405495A (en) * | 1993-07-02 | 1995-04-11 | Nalco Chemical Company | Recycling of xerographic waste paper using organic particulates |
-
1996
- 1996-08-20 US US08/700,000 patent/US5798046A/en not_active Expired - Fee Related
-
1997
- 1997-08-19 DE DE1997601074 patent/DE69701074T2/de not_active Expired - Fee Related
- 1997-08-19 CA CA 2213367 patent/CA2213367A1/en not_active Abandoned
- 1997-08-19 ES ES97114313T patent/ES2140938T3/es not_active Expired - Lifetime
- 1997-08-19 ID ID972898A patent/ID18056A/id unknown
- 1997-08-19 EP EP19970114313 patent/EP0825293B1/de not_active Expired - Lifetime
- 1997-08-19 NO NO973815A patent/NO973815L/no not_active Application Discontinuation
- 1997-08-20 MY MYPI9703820 patent/MY115550A/en unknown
- 1997-08-20 AU AU35177/97A patent/AU719019B2/en not_active Ceased
- 1997-08-20 BR BR9704472A patent/BR9704472A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69701074T2 (de) | 2000-10-12 |
EP0825293B1 (de) | 2000-01-05 |
MY115550A (en) | 2003-07-31 |
NO973815L (no) | 1998-02-23 |
CA2213367A1 (en) | 1998-02-20 |
AU719019B2 (en) | 2000-05-04 |
NO973815D0 (no) | 1997-08-19 |
ID18056A (id) | 1998-02-26 |
EP0825293A1 (de) | 1998-02-25 |
MX9706328A (es) | 1998-07-31 |
ES2140938T3 (es) | 2000-03-01 |
AU3517797A (en) | 1998-02-26 |
US5798046A (en) | 1998-08-25 |
BR9704472A (pt) | 1999-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |