CA1286448C - Flocculating agents based upon copolymers of acrylamide and dimethylaminopropylacrylamide for use in dewatering sludge - Google Patents

Flocculating agents based upon copolymers of acrylamide and dimethylaminopropylacrylamide for use in dewatering sludge

Info

Publication number
CA1286448C
CA1286448C CA000525473A CA525473A CA1286448C CA 1286448 C CA1286448 C CA 1286448C CA 000525473 A CA000525473 A CA 000525473A CA 525473 A CA525473 A CA 525473A CA 1286448 C CA1286448 C CA 1286448C
Authority
CA
Canada
Prior art keywords
copolymer
dimethylaminopropylacrylamide
acrylamide
copolymers
process according
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 - Lifetime
Application number
CA000525473A
Other languages
English (en)
French (fr)
Inventor
Hans-Georg Hartan
Alfons Landscheidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ineos Composites IP LLC
Original Assignee
Chemische Fabrik Stockhausen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6288833&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1286448(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chemische Fabrik Stockhausen GmbH filed Critical Chemische Fabrik Stockhausen GmbH
Application granted granted Critical
Publication of CA1286448C publication Critical patent/CA1286448C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52Amides or imides
    • C08F220/54Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56Acrylamide; Methacrylamide
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA000525473A 1985-12-19 1986-12-16 Flocculating agents based upon copolymers of acrylamide and dimethylaminopropylacrylamide for use in dewatering sludge Expired - Lifetime CA1286448C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3544909.8-44 1985-12-19
DE19853544909 DE3544909A1 (de) 1985-12-19 1985-12-19 Copolymere aus acrylamid und dimethylaminopropylacrylamid als flockungsmittel und verfahren zum entwaessern von klaerschlaemmen unter verwendung dieser flockungsmittel

Publications (1)

Publication Number Publication Date
CA1286448C true CA1286448C (en) 1991-07-16

Family

ID=6288833

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000525473A Expired - Lifetime CA1286448C (en) 1985-12-19 1986-12-16 Flocculating agents based upon copolymers of acrylamide and dimethylaminopropylacrylamide for use in dewatering sludge

Country Status (7)

Country Link
US (2) US5512646A (en, 2012)
EP (1) EP0228637B1 (en, 2012)
JP (1) JPH0763720B2 (en, 2012)
AT (1) ATE53597T1 (en, 2012)
AU (1) AU584765B2 (en, 2012)
CA (1) CA1286448C (en, 2012)
DE (2) DE3544909A1 (en, 2012)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63234007A (ja) * 1987-03-23 1988-09-29 Kohjin Co Ltd 水溶性が良好なカチオン性重合体
DE3905049A1 (de) * 1989-02-18 1990-08-23 Stockhausen Chem Fab Gmbh Verfahren zur stoerstoffixierung bei der papierherstellung
US4981936A (en) * 1989-04-14 1991-01-01 Polypure, Inc. Terpolymer of oxyalkyene acrylates, acrylamides and quaternary monomers
DE10119685A1 (de) * 2001-04-20 2002-10-24 Stockhausen Chem Fab Gmbh Entfernung nicht-wasserlöslicher Substanzen aus Metallaufschlüssen
DE10333478A1 (de) 2003-07-22 2005-03-10 Stockhausen Chem Fab Gmbh Verfahren zur Behandlung von wässrigem Schlamm, danach hergestelltes Material und dessen Verwendung
DE10337763A1 (de) * 2003-08-14 2005-03-17 Stockhausen Gmbh Pulverförmige, wasserlösliche kationische Polymerzusammensetzung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10337764A1 (de) * 2003-08-14 2005-03-17 Stockhausen Gmbh Pulverförmige, wasserlösliche kationische Polymerzusammensetzung, Verfahren zu ihrer Herstellung und ihre Verwendung
CN100528951C (zh) * 2003-12-15 2009-08-19 吸收剂科技有限公司 一种含有具生物活性的促生长添加剂的超吸收聚合物产品的制造和使用方法
US7425595B2 (en) * 2003-12-15 2008-09-16 Absorbent Technologies, Inc. Superabsorbent polymer products including a beneficial additive and methods of making and application
US20050261399A1 (en) * 2004-05-19 2005-11-24 David Hunkeler Powdered flocculants prepared by using evaporative cooling to coat polymeric materials on a porous substrate
EP1781709A4 (en) * 2004-08-27 2011-07-06 Absorbent Technologies Inc SUPER ABSORBING POLYMERS IN AGRICULTURAL APPLICATIONS
US20070167330A1 (en) * 2006-01-17 2007-07-19 Savich Milan H Superabsorbent polymer applicator
US20070163172A1 (en) * 2006-01-17 2007-07-19 Savich Milan H Biodegradable mat containing superabsorbent polymers
US7607259B2 (en) * 2006-01-17 2009-10-27 Absorbent Technologies, Inc. Superabsorbent polymer root dip
US8343469B2 (en) 2009-07-02 2013-01-01 Hercules Incorporated Cationic synthetic polymers with improved solubility and performance in surfactant-based systems and use in personal care and household applications
US8568701B2 (en) 2009-07-02 2013-10-29 Hercules Incorporated Cationic synthetic polymers with improved solubility and performance in phosphate surfactant-based systems and use in personal care and household applications
DE102010019375A1 (de) * 2010-05-04 2011-11-10 Crenox Gmbh Flockungshilfsmittel für die Titandioxidherstellung
US9596801B2 (en) 2010-10-25 2017-03-21 Vjs Investments Limited Superabsorbent polymer seed coatings and associated methods
US11730193B2 (en) 2019-12-15 2023-08-22 Shaheen Innovations Holding Limited Hookah device
CN111392806B (zh) * 2020-03-24 2022-11-08 山东鑫泰水处理技术股份有限公司 一种印染废水复合脱色剂及其制备方法
CN112940178B (zh) * 2021-02-03 2022-10-14 中国海洋石油集团有限公司 一种可降解清水剂的应用

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014896A (en) * 1956-10-17 1961-12-26 Union Carbide Corp Polymeric flocculating agents and process for the production thereof
US3661868A (en) * 1970-05-01 1972-05-09 Dow Chemical Co Flocculant
JPS529093A (en) * 1975-07-10 1977-01-24 Sumitomo Chem Co Ltd Preparation of water-soluble cationic high-polymer
FR2471391A1 (fr) * 1979-12-14 1981-06-19 Hoechst France Polyelectrolytes cationiques forts, en poudre, a base d'acrylamide et d'acrylate de dimethylaminoethyle quaternise ou salifie et leur utilisation pour la floculation des suspensions de matieres solides et la coalescence des emulsions
FR2390983A1 (fr) * 1977-05-16 1978-12-15 Hoechst France Polyelectrolytes cationiques en poudre, a base d'acrylamide et d'acrylate de dimethyl-aminoethyle quaternise ou salifie, leur procede d'obtention et leur utilisation
DE2848627C2 (de) * 1978-11-09 1982-02-04 Röhm GmbH, 6100 Darmstadt Verfahren zur Herstellung eines flüssigen, unmittelbar polymerisierbaren Gemisches aus Acrylamid und Quaternierungsprodukten von tertiären Aminoalkylestern oder tertiären Aminoalkylamiden der Acryl- oder Methacrylsäure
JPS5571703A (en) * 1978-11-25 1980-05-30 Sanyo Chem Ind Ltd Preparation of water-soluble particulate polymer
EP0038573B1 (de) * 1978-12-27 1985-09-04 Chemische Fabrik Stockhausen GmbH Polymerisate von alpha,beta-ungesättigten N-substituierten Carbonsäureamiden und ihre Verwendung als Sedimentations-, Flockungs-, Entwässerungs- und Retentionshilfsmittel
JPS5681315A (en) * 1979-12-07 1981-07-03 Mitsubishi Chem Ind Ltd Production of water-soluble bead polymer
US4297256A (en) * 1979-12-26 1981-10-27 The Dow Chemical Company Preparation of water-immiscible, acid-soluble N-(aminomethyl)-α,.beta.
JPS5849410A (ja) * 1981-09-19 1983-03-23 Sanyo Chem Ind Ltd カチオン性高分子凝集剤
JPS5924708A (ja) * 1982-08-02 1984-02-08 Kohjin Co Ltd アクリルアミド系カチオン性重合体の製造方法
JPS59135212A (ja) * 1983-01-24 1984-08-03 Nitto Chem Ind Co Ltd カチオン性重合体の製造方法
JPS59193911A (ja) * 1983-04-18 1984-11-02 Kohjin Co Ltd 高吸収性高分子物質
DE3327600A1 (de) * 1983-07-30 1985-02-14 Sandoz-Patent-GmbH, 7850 Lörrach Copolymerisat- und tensidhaltige praeparate, deren herstellung und verwendung
JPS60210608A (ja) * 1984-04-04 1985-10-23 Mitsui Toatsu Chem Inc 水溶性高分子量重合体粉末の製造方法
JPH0794502B2 (ja) * 1984-05-15 1995-10-11 三井東圧化学株式会社 水溶性高分子量重合体粉末の製造方法
GB8512937D0 (en) * 1985-05-22 1985-06-26 Allied Colloids Ltd Water treatment
DE3624813A1 (de) * 1986-07-23 1988-03-10 Stockhausen Chem Fab Gmbh Amphotere wasserloesliche polymere, verfahren zu ihrer herstellung und ihre verwendung als dispergierhilfsmittel

Also Published As

Publication number Publication date
EP0228637A3 (en) 1987-09-23
AU584765B2 (en) 1989-06-01
US6228964B1 (en) 2001-05-08
DE3544909A1 (de) 1987-06-25
EP0228637B1 (de) 1990-06-13
DE3544909C2 (en, 2012) 1991-10-24
ATE53597T1 (de) 1990-06-15
DE3671900D1 (de) 1990-07-19
EP0228637A2 (de) 1987-07-15
JPS62201915A (ja) 1987-09-05
JPH0763720B2 (ja) 1995-07-12
AU6657686A (en) 1987-06-25
US5512646A (en) 1996-04-30

Similar Documents

Publication Publication Date Title
CA1286448C (en) Flocculating agents based upon copolymers of acrylamide and dimethylaminopropylacrylamide for use in dewatering sludge
EP0172723B2 (en) Water soluble polymers
US5707533A (en) Process for the preparation of aqueous dispersion polymers
US4396513A (en) Use of very high charge cationic polymers in biological sludge dewatering
JP4126931B2 (ja) 高分子凝集剤及び汚泥の脱水方法
EP0649820B1 (en) Sludge dehydrating agent
JPH04298300A (ja) 汚泥脱水剤及びそれを用いた汚泥の脱水方法
EP0630858A2 (en) Composition and method for water clarification and wastewater treatment
JP2991611B2 (ja) 無機凝集剤と両性高分子凝集剤を併用する汚泥の脱水方法
JP3247795B2 (ja) 両性高分子汚泥脱水剤及びこれを用いた汚泥脱水方法
US5520820A (en) Process for flocculating suspended solids
US5720887A (en) Methods for sludge dewatering
EP0217791B1 (en) A process for absorbing water having a ph less than four
US3835046A (en) Dewatering of aqueous suspensions
JPH078893B2 (ja) 両性高分子凝集剤の製造方法
US5183576A (en) Cationic polymers for sludge dewatering
US5100561A (en) Cationic polymers for sludge dewatering
JP3064878B2 (ja) 有機汚泥の処理法
JP3775767B2 (ja) 汚泥脱水剤
JP2535347B2 (ja) カチオン性高分子凝集剤
JP3352835B2 (ja) 両性高分子凝集剤
US4465599A (en) Flocculants based on polymers containing water-soluble dialkylaminoneopentyl (meth)acrylates
JPH04293600A (ja) 汚泥脱水方法
CA1185740A (en) Flocculants based on polymers containing water- soluble dialkylaminoneopentyl(meth)acrylates
JP3722245B2 (ja) 汚泥の脱水方法

Legal Events

Date Code Title Description
MKEX Expiry