DE69608864D1 - Mittel für die Wasserbehandlung - Google Patents

Mittel für die Wasserbehandlung

Info

Publication number
DE69608864D1
DE69608864D1 DE69608864T DE69608864T DE69608864D1 DE 69608864 D1 DE69608864 D1 DE 69608864D1 DE 69608864 T DE69608864 T DE 69608864T DE 69608864 T DE69608864 T DE 69608864T DE 69608864 D1 DE69608864 D1 DE 69608864D1
Authority
DE
Germany
Prior art keywords
water treatment
treatment agents
agents
water
treatment
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
Application number
DE69608864T
Other languages
English (en)
Other versions
DE69608864T2 (de
Inventor
Shigeru Yamaguchi
Takashi Fujisawa
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.)
Kurita Water Industries Ltd
Nippon Shokubai Co Ltd
Original Assignee
Kurita Water Industries Ltd
Nippon Shokubai Co Ltd
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
Application filed by Kurita Water Industries Ltd, Nippon Shokubai Co Ltd filed Critical Kurita Water Industries Ltd
Application granted granted Critical
Publication of DE69608864D1 publication Critical patent/DE69608864D1/de
Publication of DE69608864T2 publication Critical patent/DE69608864T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/062—Polyethers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE69608864T 1995-08-11 1996-08-12 Mittel für die Wasserbehandlung Expired - Fee Related DE69608864T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20617695 1995-08-11

Publications (2)

Publication Number Publication Date
DE69608864D1 true DE69608864D1 (de) 2000-07-20
DE69608864T2 DE69608864T2 (de) 2001-05-23

Family

ID=16519076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69608864T Expired - Fee Related DE69608864T2 (de) 1995-08-11 1996-08-12 Mittel für die Wasserbehandlung

Country Status (7)

Country Link
US (1) US5948268A (de)
EP (1) EP0761604B1 (de)
KR (1) KR100325651B1 (de)
CN (1) CN1117035C (de)
DE (1) DE69608864T2 (de)
MY (1) MY116547A (de)
TW (1) TW420653B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6703468B1 (en) 1998-12-03 2004-03-09 Pola Chemical Industries Inc. Compound, polymer prepared from the compound, and composition comprising the polymer
US6756460B2 (en) * 2000-08-22 2004-06-29 Nippon Shokubai Co., Ltd. Water-soluble copolymer and its production process and use
KR100446165B1 (ko) * 2001-10-10 2004-08-30 정순영 액상 폐기물 처리제
MXPA03009081A (es) * 2003-10-03 2005-04-06 Fermin Enecoiz Gomez Soluciones limpiadoras y blanqueadoras que contienen fosfatos y/o, acido fosforico y procesos mejorados de uso.
US20060165745A1 (en) * 2005-01-21 2006-07-27 Yiwen Chew Sustained release tablets for treatment of aqueous environment and methods for making the same
TWI386453B (zh) * 2009-11-24 2013-02-21 Taiwan Textile Res Inst 用以製備光波長選擇性遮蔽薄層的組成物與方法以及含有該光波長選擇性遮蔽薄層的織物與光學元件
JP6113992B2 (ja) 2012-10-03 2017-04-12 栗田工業株式会社 冷却水系の処理方法
RU2522927C1 (ru) * 2012-11-29 2014-07-20 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Российский государственный университет нефти и газа имени И.М. Губкина" Флокулянт для очистки воды и способ его получения
US9921155B2 (en) * 2014-11-25 2018-03-20 Baker Hughes, A Ge Company, Llc Methods of decreasing scale in aqueous systems
CA2971605C (en) * 2014-12-17 2024-01-16 Cytec Industries Inc. Scale inhibitor compositions and methods of using
CN107651760A (zh) * 2017-09-29 2018-02-02 南京悠谷新材料科技有限公司 一种工业污水处理剂的制备方法
CN111018140A (zh) * 2019-12-06 2020-04-17 南通联膦化工有限公司 一种环保型缓蚀阻垢剂
CN115746202B (zh) * 2022-11-07 2023-10-13 滁州康华电子材料有限公司 一种水处理剂及其制备方法
CN117757453B (zh) * 2024-02-22 2024-04-30 大庆市唯品科技开发有限公司 一种中性复合解堵剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126093A (en) * 1977-04-12 1978-11-02 Japan Exlan Co Ltd Preparation of aqueous polymer emulsion having modified stability
ES2069004T3 (es) * 1989-04-28 1995-05-01 Nippon Catalytic Chem Ind Procedimiento para la produccion y uso de sal de (co)polimero del acido maleico mejorada en cuanto a biodegradabilidad.
US5126108A (en) * 1989-06-08 1992-06-30 National Starch And Chemical Investment Holding Corporation Aminophosphonate-containing polymers used in an anticorrosion method
JPH05163591A (ja) * 1990-11-13 1993-06-29 Kurita Water Ind Ltd 水処理用ポリマー及び水処理方法
EP0485882A1 (de) * 1990-11-13 1992-05-20 Kurita Water Industries Ltd. Polymer und Verfahren zur Abwasserbehandlung
NZ250945A (en) * 1993-03-03 1994-12-22 Grace W R & Co Treating an aqueous system with a water-soluble/dispersible polymer which contains at least one uv radiation responsive moiety
JPH07109587A (ja) * 1993-10-07 1995-04-25 Kurita Water Ind Ltd 水処理用ポリマー及び水処理用ポリマーの製造方法

Also Published As

Publication number Publication date
CN1117035C (zh) 2003-08-06
EP0761604B1 (de) 2000-06-14
KR970010678A (ko) 1997-03-27
KR100325651B1 (ko) 2002-06-26
US5948268A (en) 1999-09-07
EP0761604A2 (de) 1997-03-12
MY116547A (en) 2004-02-28
TW420653B (en) 2001-02-01
CN1151380A (zh) 1997-06-11
DE69608864T2 (de) 2001-05-23
EP0761604A3 (de) 1997-06-25

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee