PT93153A - Processo para a preparacao de uma composicao de tratamento de agua ou sistemas aquosos - Google Patents

Processo para a preparacao de uma composicao de tratamento de agua ou sistemas aquosos Download PDF

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Publication number
PT93153A
PT93153A PT93153A PT9315390A PT93153A PT 93153 A PT93153 A PT 93153A PT 93153 A PT93153 A PT 93153A PT 9315390 A PT9315390 A PT 9315390A PT 93153 A PT93153 A PT 93153A
Authority
PT
Portugal
Prior art keywords
copolymer
acid
maleic anhydride
vinyl acetate
anhydride
Prior art date
Application number
PT93153A
Other languages
English (en)
Portuguese (pt)
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of PT93153A publication Critical patent/PT93153A/pt

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
    • 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
    • C02F5/12—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 nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Paints Or Removers (AREA)
PT93153A 1989-03-21 1990-02-15 Processo para a preparacao de uma composicao de tratamento de agua ou sistemas aquosos PT93153A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898906413A GB8906413D0 (en) 1989-03-21 1989-03-21 Composition for treating water or aqueous systems

Publications (1)

Publication Number Publication Date
PT93153A true PT93153A (pt) 1990-11-07

Family

ID=10653697

Family Applications (1)

Application Number Title Priority Date Filing Date
PT93153A PT93153A (pt) 1989-03-21 1990-02-15 Processo para a preparacao de uma composicao de tratamento de agua ou sistemas aquosos

Country Status (16)

Country Link
EP (1) EP0388836B1 (https=)
JP (1) JPH02280897A (https=)
AU (1) AU631620B2 (https=)
BR (1) BR9001309A (https=)
CA (1) CA2012501A1 (https=)
DE (1) DE69000510T2 (https=)
EG (1) EG19121A (https=)
ES (1) ES2036068T3 (https=)
GB (1) GB8906413D0 (https=)
IL (1) IL93788A (https=)
IN (1) IN180066B (https=)
MT (1) MTP1056B (https=)
MX (1) MX171590B (https=)
PT (1) PT93153A (https=)
RU (1) RU2012541C1 (https=)
ZA (1) ZA902128B (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677485A1 (de) * 1994-03-22 1995-10-18 Faborga S.A. Mittel zur Verhinderung von Ausscheidungen in Prozesswässern
EP0698580B2 (de) * 1994-08-22 1999-11-17 Faborga S.A. Mittel zur Verhinderung von Ausscheidungen und von Sauerstoffkorrosion in Prozesswässern
RU2215695C2 (ru) * 2001-03-28 2003-11-10 Свиридов Владислав Владиславович Способ очистки природных и сточных вод, содержащих катионы щелочноземельных и щелочных металлов с большим ионным радиусом
JP4787433B2 (ja) * 2001-08-24 2011-10-05 オルガノ株式会社 水処理方法
CA2640033A1 (en) * 2006-02-08 2007-08-16 Basf Se Method for controlling the thickening of aqueous systems
WO2007090757A2 (de) * 2006-02-08 2007-08-16 Basf Se Kontrolle der eindickung silikathaltiger wässriger systeme
RU2327650C1 (ru) * 2006-08-30 2008-06-27 Сергей Васильевич Петров Композиция для предотвращения солеотложений и коррозии
CN102241441B (zh) * 2010-05-14 2015-12-02 纳尔科公司 包含aa-amps共聚物和pma的组合物及其用途
JP5686581B2 (ja) * 2010-11-18 2015-03-18 伯東株式会社 水処理剤及び水処理方法
WO2012114953A1 (ja) * 2011-02-24 2012-08-30 栗田工業株式会社 逆浸透膜用スケール防止剤及びスケール防止方法
RU2486139C2 (ru) * 2011-06-22 2013-06-27 Государственное образовательное учреждение высшего профессионального образования Уральский государственный лесотехнический университет Способ предотвращения солеотложений и коррозии в системах водоснабжения
MX365529B (es) 2011-08-10 2019-06-06 Basf Se Mezclas de polímeros como inhibidores de depósitos en sistemas acuíferos.
US9382377B2 (en) * 2011-08-10 2016-07-05 Basf Se Polymer mixtures as deposit inhibitors in water-bearing systems
US9752237B2 (en) 2014-05-29 2017-09-05 Ecolab Usa Inc. Control of sugar evaporator scale using sugar or sugar moieties
JP6057002B1 (ja) 2016-03-24 2017-01-11 栗田工業株式会社 逆浸透膜用スケール防止剤及び逆浸透膜処理方法
CN109748401B (zh) * 2017-11-03 2020-12-18 中国石油化工股份有限公司 循环冷却水的处理方法
CN109748400B (zh) * 2017-11-03 2020-12-18 中国石油化工股份有限公司 无磷复合缓蚀阻垢剂及其应用以及循环冷却水的处理方法
CN109748404B (zh) * 2017-11-03 2020-12-18 中国石油化工股份有限公司 循环冷却水的处理方法
EP3759050B1 (en) * 2018-02-27 2023-02-15 Kemira Oyj Method for stabilizing iron compounds in an aqueous environment
CN113373448B (zh) * 2021-05-25 2023-05-23 中国石油化工股份有限公司 一种射流泵用缓释阻垢剂及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085060A (en) * 1975-09-23 1978-04-18 Vassileff Neiko I Sequestering compositions
FR2574065B1 (fr) * 1984-12-04 1987-05-07 Bouet Philippe Procede antitartre et agent antitartre pour sa mise en oeuvre
GB2181735A (en) * 1985-10-16 1987-04-29 Kao Corp Maleic acid polymer for use as scale inhibitor
US4713195A (en) * 1986-01-30 1987-12-15 Aqua-Chem Inc. Scale inhibitor

Also Published As

Publication number Publication date
IN180066B (https=) 1998-01-10
ZA902128B (en) 1990-12-28
ES2036068T3 (es) 1993-05-01
EP0388836A1 (en) 1990-09-26
EP0388836B1 (en) 1992-12-02
IL93788A0 (en) 1990-12-23
CA2012501A1 (en) 1990-09-21
GB8906413D0 (en) 1989-05-04
RU2012541C1 (ru) 1994-05-15
DE69000510T2 (de) 1993-05-13
BR9001309A (pt) 1991-04-02
MX171590B (es) 1993-11-08
AU5204490A (en) 1990-10-04
MTP1056B (en) 1990-03-16
EG19121A (en) 1994-07-30
JPH02280897A (ja) 1990-11-16
DE69000510D1 (de) 1993-01-14
AU631620B2 (en) 1992-12-03
IL93788A (en) 1994-10-07

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Legal Events

Date Code Title Description
FC3A Refusal

Effective date: 19950929