NO325458B1 - Fremgangsmate for a klarne industrielt avlopsvann, eller fjerne emulgert olje fra industrielt avlopsvann eller avvanne slam - Google Patents
Fremgangsmate for a klarne industrielt avlopsvann, eller fjerne emulgert olje fra industrielt avlopsvann eller avvanne slam Download PDFInfo
- Publication number
- NO325458B1 NO325458B1 NO20021130A NO20021130A NO325458B1 NO 325458 B1 NO325458 B1 NO 325458B1 NO 20021130 A NO20021130 A NO 20021130A NO 20021130 A NO20021130 A NO 20021130A NO 325458 B1 NO325458 B1 NO 325458B1
- Authority
- NO
- Norway
- Prior art keywords
- acrylamide
- water
- polymer
- acid
- weight
- Prior art date
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 49
- 239000003381 stabilizer Substances 0.000 claims description 49
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- 238000004132 cross linking Methods 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- IQDGSYLLQPDQDV-UHFFFAOYSA-N dimethylazanium;chloride Chemical compound Cl.CNC IQDGSYLLQPDQDV-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- LXKZWRPDOSDEEE-UHFFFAOYSA-N n,n-bis(prop-2-enyl)cyclohexanamine;hydrochloride Chemical compound Cl.C=CCN(CC=C)C1CCCCC1 LXKZWRPDOSDEEE-UHFFFAOYSA-N 0.000 description 1
- OKPYIWASQZGASP-UHFFFAOYSA-N n-(2-hydroxypropyl)-2-methylprop-2-enamide Chemical compound CC(O)CNC(=O)C(C)=C OKPYIWASQZGASP-UHFFFAOYSA-N 0.000 description 1
- MEWIHOKCMVBDSA-UHFFFAOYSA-N n-(4-methylpiperazin-1-yl)prop-2-enamide Chemical compound CN1CCN(NC(=O)C=C)CC1 MEWIHOKCMVBDSA-UHFFFAOYSA-N 0.000 description 1
- DCBBWYIVFRLKCD-UHFFFAOYSA-N n-[2-(dimethylamino)ethyl]-2-methylprop-2-enamide Chemical compound CN(C)CCNC(=O)C(C)=C DCBBWYIVFRLKCD-UHFFFAOYSA-N 0.000 description 1
- ZQXSMRAEXCEDJD-UHFFFAOYSA-N n-ethenylformamide Chemical compound C=CNC=O ZQXSMRAEXCEDJD-UHFFFAOYSA-N 0.000 description 1
- RCLLINSDAJVOHP-UHFFFAOYSA-N n-ethyl-n',n'-dimethylprop-2-enehydrazide Chemical compound CCN(N(C)C)C(=O)C=C RCLLINSDAJVOHP-UHFFFAOYSA-N 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000006174 pH buffer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- RZKYDQNMAUSEDZ-UHFFFAOYSA-N prop-2-enylphosphonic acid Chemical compound OP(O)(=O)CC=C RZKYDQNMAUSEDZ-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 125000002348 vinylic group Chemical group 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- 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
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/392,172 US6217778B1 (en) | 1999-09-08 | 1999-09-08 | Anionic and nonionic dispersion polymers for clarification and dewatering |
| PCT/US2000/020964 WO2001017914A1 (en) | 1999-09-08 | 2000-08-01 | Anionic and nonionic dispersion polymers for clarification and dewatering |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20021130D0 NO20021130D0 (no) | 2002-03-07 |
| NO20021130L NO20021130L (no) | 2002-05-07 |
| NO325458B1 true NO325458B1 (no) | 2008-05-05 |
Family
ID=23549550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20021130A NO325458B1 (no) | 1999-09-08 | 2002-03-07 | Fremgangsmate for a klarne industrielt avlopsvann, eller fjerne emulgert olje fra industrielt avlopsvann eller avvanne slam |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6217778B1 (ja) |
| EP (1) | EP1218299A4 (ja) |
| JP (1) | JP4141141B2 (ja) |
| KR (1) | KR100678487B1 (ja) |
| AR (1) | AR025460A1 (ja) |
| AU (1) | AU778290B2 (ja) |
| BR (1) | BR0013856A (ja) |
| CA (1) | CA2378131C (ja) |
| MX (1) | MXPA02001075A (ja) |
| NO (1) | NO325458B1 (ja) |
| NZ (1) | NZ517480A (ja) |
| TW (1) | TWI227704B (ja) |
| WO (1) | WO2001017914A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6361661B2 (en) * | 1997-05-16 | 2002-03-26 | Applies Materials, Inc. | Hybrid coil design for ionized deposition |
| US6331229B1 (en) | 1999-09-08 | 2001-12-18 | Nalco Chemical Company | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers |
| DE10024437A1 (de) * | 2000-05-19 | 2001-11-29 | Aventis Res & Tech Gmbh & Co | Verfahren zur selektiven Herstellung von Essigsäure durch katalytische Oxidation von Ethan |
| WO2002100944A1 (en) * | 2001-06-11 | 2002-12-19 | Hymo Corporation | Amphoteric water-soluble polymer dispersion and use thereof |
| FR2826660B1 (fr) * | 2001-06-27 | 2003-08-15 | Seppic Sa | Nouveaux polymeres, le procede pour leur preparation, microlatex inverses et latex inverses les contenant et leur utilisation comme thermoepaississant |
| JP2003055454A (ja) * | 2001-08-10 | 2003-02-26 | Hymo Corp | ポリアルキレンイミン変性物。 |
| EP1451234B1 (en) * | 2001-12-07 | 2006-07-26 | Hercules Incorporated | Composition comprising cellulose fiber and a water-soluble anionic copolymer as well as method of making said composition |
| US7300545B2 (en) * | 2002-06-21 | 2007-11-27 | Hymo Corporation | Water-soluble polymer dispersion, process for producing the same and method of use therefor |
| US7396874B2 (en) * | 2002-12-06 | 2008-07-08 | Hercules Incorporated | Cationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions |
| JP3973570B2 (ja) * | 2003-01-30 | 2007-09-12 | 新日本ウエックス株式会社 | 含油排水の処理方法 |
| US7566469B2 (en) * | 2003-10-13 | 2009-07-28 | Nalco Company | Method of dewatering grain stillage solids |
| GB0402469D0 (en) * | 2004-02-04 | 2004-03-10 | Ciba Spec Chem Water Treat Ltd | Production of a fermentation product |
| GB0402470D0 (en) * | 2004-02-04 | 2004-03-10 | Ciba Spec Chem Water Treat Ltd | Production of a fermentation product |
| AU2006304290B2 (en) * | 2005-10-14 | 2011-06-30 | Aquero Company, Llc | Amino acid, carbohydrate and acrylamide polymers useful as flocculants in agricultural and industrial settings |
| CN100424024C (zh) * | 2005-12-23 | 2008-10-08 | 南开大学 | 用于提高油田污水配制聚合物溶液粘度的光化学氧化方法 |
| JP5512068B2 (ja) * | 2006-03-24 | 2014-06-04 | 三菱レイヨン株式会社 | 水処理方法 |
| US7722841B2 (en) * | 2006-04-25 | 2010-05-25 | General Electric Company | Polymeric chelant and coagulant to treat metal-containing wastewater |
| US8900641B2 (en) | 2006-12-28 | 2014-12-02 | Nalco Company | Antimicrobial composition |
| BRPI0809704A2 (pt) * | 2007-04-09 | 2014-09-30 | Innovation Services Inc | " sistema de tratamento de resíduos para tratar uma corrente de resíduos substancialmente líquidos e método de tratamento de uma corrente de resíduos" |
| CA2731608C (en) | 2008-07-23 | 2016-10-18 | Aquero Company, Llc | Flotation and separation of flocculated oils and solids from waste waters |
| WO2010019633A1 (en) * | 2008-08-11 | 2010-02-18 | Jackson Edward E | Device and method for removing solids from solution |
| US8105988B2 (en) * | 2008-10-06 | 2012-01-31 | Nalco Company | Corrosion inhibitors for a fluid |
| US8105987B2 (en) * | 2008-10-06 | 2012-01-31 | Nalco Company | Corrosion inhibitors for an aqueous medium |
| US8865632B1 (en) | 2008-11-10 | 2014-10-21 | Cesi Chemical, Inc. | Drag-reducing copolymer compositions |
| US7989403B2 (en) * | 2009-03-02 | 2011-08-02 | Nalco Company | Corrosion inhibitors containing amide surfactants for a fluid |
| US9909070B2 (en) | 2009-09-15 | 2018-03-06 | Suncor Energy Inc. | Process for flocculating and dewatering oil sand mature fine tailings |
| PL3199218T3 (pl) | 2009-09-15 | 2020-04-30 | Suncor Energy Inc. | Proces osuszania dojrzałych drobnych odpadów z flotacji piasków bitumicznych |
| CA2779280A1 (en) | 2009-10-20 | 2011-04-28 | David Soane | Treatment of wastewater |
| WO2011050440A1 (en) | 2009-10-30 | 2011-05-05 | Suncor Energy Inc. | Depositing and farming methods for drying oil sand mature fine tailings |
| US9981207B2 (en) * | 2010-04-14 | 2018-05-29 | Baker Hughes, A Ge Company, Llc | Polymers useful as demulsifiers and clarifiers |
| US20130048283A1 (en) * | 2010-04-27 | 2013-02-28 | Schlumberger Technology Corporation | Subterranean Reservoir Treatment Method |
| US9150442B2 (en) | 2010-07-26 | 2015-10-06 | Sortwell & Co. | Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent polymers for clay aggregation |
| US9758395B2 (en) | 2011-04-28 | 2017-09-12 | Aquero Company, Llc | Lysine-based polymer coagulants for use in clarification of process waters |
| US8721896B2 (en) | 2012-01-25 | 2014-05-13 | Sortwell & Co. | Method for dispersing and aggregating components of mineral slurries and low molecular weight multivalent polymers for mineral aggregation |
| CA2879998A1 (en) | 2012-07-24 | 2014-01-30 | Aquero Company, Llc | Process for reducing soluble organic content in recovered water |
| US9963365B2 (en) * | 2012-08-21 | 2018-05-08 | Ecolab Usa Inc. | Process and system for dewatering oil sands fine tailings |
| MX2015003203A (es) * | 2012-09-19 | 2015-10-08 | Solenis Technologies Cayman Lp | Proceso para mejorar las propiedades reologicas de una dispersion acuosa. |
| EP2727884A1 (en) * | 2012-11-06 | 2014-05-07 | UPM-Kymmene Corporation | Process for removing flexographic ink and water-based inkjet ink from aqueous media and use of agents for removal of flexographic ink and water-based inkjet ink from aqueous media |
| US9446416B2 (en) | 2012-11-28 | 2016-09-20 | Ecolab Usa Inc. | Composition and method for improvement in froth flotation |
| CA2918391C (en) * | 2013-07-23 | 2018-05-22 | Kemira Oyj | Processes for treating tailings streams |
| KR101478305B1 (ko) * | 2014-01-28 | 2014-12-31 | 최홍배 | 폐수 처리용 무기 폐수처리제 및 이의 제조방법 |
| JP2015150489A (ja) * | 2014-02-13 | 2015-08-24 | センカ株式会社 | 製紙廃水の一次処理用有機凝結剤 |
| US9328007B2 (en) | 2014-02-27 | 2016-05-03 | Hong Kong Baptist University | Biogenic flocculant composition to enhance flocculation and dewaterability of chemically enhanced primary treatment sludge |
| EP2949405B1 (en) * | 2014-05-30 | 2016-12-14 | S.P.C.M. Sa | Method for treating suspensions of solid particles in water using comb like polymers |
| US10053383B2 (en) | 2014-07-24 | 2018-08-21 | Hong Kong Baptist University | BioFerric-flocculant enhanced primary treatment process (BEPT) for sewage treatment |
| FR3041344B1 (fr) * | 2015-09-18 | 2019-12-13 | S.P.C.M. Sa | Procede d'obtention du monomere acide 2-acrylamido-2-methylpropanesulphonique et polymere comprenant ledit monomere |
| CA3070565C (en) * | 2017-07-25 | 2022-03-15 | Baker Hughes, A Ge Company, Llc | Cationic starch-based additives for reduction of fouling in water coolers in sagd production systems |
| FR3082197B1 (fr) * | 2018-06-08 | 2021-04-23 | Coatex Sas | Recyclage d'eau dans un derive minier |
| FR3082124B1 (fr) * | 2018-06-08 | 2021-05-28 | Coatex Sas | Controle de la sedimentation d'un derive minier |
| US11292734B2 (en) | 2018-08-29 | 2022-04-05 | Ecolab Usa Inc. | Use of multiple charged ionic compounds derived from poly amines for waste water clarification |
| WO2021106148A1 (en) * | 2019-11-28 | 2021-06-03 | Kurita Water Industries Ltd. | Anionic copolymers suitable as scaling inhibitors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1267483A (en) | 1984-11-19 | 1990-04-03 | Hisao Takeda | Process for the production of a water-soluble polymer dispersion |
| US5472617A (en) * | 1986-10-18 | 1995-12-05 | Basf Aktiengesellschaft | Method of demulsifying crude oil and water mixtures with copolymers of acrylates or methacrylates and hydrophilic commonomers |
| US5332506A (en) * | 1993-12-13 | 1994-07-26 | Nalco Chemical Company | Water clarification |
| US5429749A (en) * | 1994-06-01 | 1995-07-04 | Nalco Chemical Company | Polymers for treatment of food processing wastes |
| US5708071A (en) * | 1994-12-15 | 1998-01-13 | Hymo Corporation | Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same |
| US5597475A (en) * | 1995-07-28 | 1997-01-28 | Nalco Chemical Company | DADMAC/vinyl trialkoxysilane copolymers for dewatering copper and taconite slurries in the mining industry |
| US5938937A (en) * | 1995-08-16 | 1999-08-17 | Nalco Chemical Company | Hydrophilic dispersion polymers for treating wastewater |
| US5605970A (en) | 1996-03-20 | 1997-02-25 | Nalco Chemical Company | Synthesis of high molecular weight anionic dispersion polymers |
| US5837776A (en) | 1996-03-20 | 1998-11-17 | Nalco Chemical Company | Process for producing water soluble anionic dispersion polymers |
| US6020422A (en) * | 1996-11-15 | 2000-02-01 | Betzdearborn Inc. | Aqueous dispersion polymers |
| US5985992A (en) * | 1997-12-10 | 1999-11-16 | Cytec Technology Corp. | Anionic polymer products and processes |
-
1999
- 1999-09-08 US US09/392,172 patent/US6217778B1/en not_active Expired - Lifetime
-
2000
- 2000-08-01 AU AU63955/00A patent/AU778290B2/en not_active Ceased
- 2000-08-01 BR BR0013856-8A patent/BR0013856A/pt not_active Application Discontinuation
- 2000-08-01 MX MXPA02001075A patent/MXPA02001075A/es active IP Right Grant
- 2000-08-01 KR KR1020027001423A patent/KR100678487B1/ko active IP Right Grant
- 2000-08-01 JP JP2001521664A patent/JP4141141B2/ja not_active Expired - Lifetime
- 2000-08-01 CA CA2378131A patent/CA2378131C/en not_active Expired - Lifetime
- 2000-08-01 EP EP00950926A patent/EP1218299A4/en not_active Ceased
- 2000-08-01 NZ NZ517480A patent/NZ517480A/xx not_active IP Right Cessation
- 2000-08-01 WO PCT/US2000/020964 patent/WO2001017914A1/en active IP Right Grant
- 2000-08-31 AR ARP000104544A patent/AR025460A1/es unknown
- 2000-09-25 TW TW089118341A patent/TWI227704B/zh not_active IP Right Cessation
-
2002
- 2002-03-07 NO NO20021130A patent/NO325458B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR100678487B1 (ko) | 2007-02-05 |
| JP4141141B2 (ja) | 2008-08-27 |
| NZ517480A (en) | 2003-06-30 |
| AU778290B2 (en) | 2004-11-25 |
| WO2001017914A1 (en) | 2001-03-15 |
| NO20021130L (no) | 2002-05-07 |
| CA2378131C (en) | 2012-11-27 |
| MXPA02001075A (es) | 2002-08-20 |
| CA2378131A1 (en) | 2001-03-15 |
| EP1218299A4 (en) | 2004-03-31 |
| TWI227704B (en) | 2005-02-11 |
| EP1218299A1 (en) | 2002-07-03 |
| AR025460A1 (es) | 2002-11-27 |
| US6217778B1 (en) | 2001-04-17 |
| JP2003508221A (ja) | 2003-03-04 |
| NO20021130D0 (no) | 2002-03-07 |
| KR20020031398A (ko) | 2002-05-01 |
| AU6395500A (en) | 2001-04-10 |
| BR0013856A (pt) | 2002-05-14 |
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