WO2002034681A3 - Method for inhibiting the deposition of silica and silicate compounds in water systems - Google Patents

Method for inhibiting the deposition of silica and silicate compounds in water systems Download PDF

Info

Publication number
WO2002034681A3
WO2002034681A3 PCT/US2001/042556 US0142556W WO0234681A3 WO 2002034681 A3 WO2002034681 A3 WO 2002034681A3 US 0142556 W US0142556 W US 0142556W WO 0234681 A3 WO0234681 A3 WO 0234681A3
Authority
WO
WIPO (PCT)
Prior art keywords
inhibiting
deposition
silica
water systems
silicate compounds
Prior art date
Application number
PCT/US2001/042556
Other languages
French (fr)
Other versions
WO2002034681A2 (en
Inventor
Zahid Amjad
Original Assignee
Noveon Ip Holdings Corp
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 Noveon Ip Holdings Corp filed Critical Noveon Ip Holdings Corp
Priority to AU2001297009A priority Critical patent/AU2001297009A1/en
Publication of WO2002034681A2 publication Critical patent/WO2002034681A2/en
Publication of WO2002034681A3 publication Critical patent/WO2002034681A3/en

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
    • 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
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds

Abstract

A method of inhibiting the deposition of silica and silicate compounds on surfaces in water systems by treating the water with an effective amount of an EO/PO block polymer, either alone or in combination with, e.g., an (meth)acrylic or maleic homo-copolymer.
PCT/US2001/042556 2000-10-23 2001-10-09 Method for inhibiting the deposition of silica and silicate compounds in water systems WO2002034681A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001297009A AU2001297009A1 (en) 2000-10-23 2001-10-09 Method for inhibiting the deposition of silica and silicate compounds in water systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69423600A 2000-10-23 2000-10-23
US09/694,236 2000-10-23

Publications (2)

Publication Number Publication Date
WO2002034681A2 WO2002034681A2 (en) 2002-05-02
WO2002034681A3 true WO2002034681A3 (en) 2003-03-27

Family

ID=24787976

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/042556 WO2002034681A2 (en) 2000-10-23 2001-10-09 Method for inhibiting the deposition of silica and silicate compounds in water systems

Country Status (2)

Country Link
AU (1) AU2001297009A1 (en)
WO (1) WO2002034681A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2436107A (en) * 2005-03-29 2007-09-19 Rhodia Uk Ltd Inhibiting silica and silicate scale in aqueous systems
US10160682B2 (en) 2014-04-23 2018-12-25 Dow Global Technologies Llc Inhibtion of silica scale using hydrophobically-modified alkylene oxide urethane copolymer
CA2951860C (en) 2014-06-19 2022-08-16 Dow Global Technologies Llc Inhibition of silica scale using amine-terminated polyoxyalkylene
CN109219650A (en) * 2016-03-18 2019-01-15 通用电气公司 Prevent the method and composition of the dirt of caustic tower
MX2020013009A (en) * 2018-06-01 2021-03-25 Dow Global Technologies Llc Method of silica scale inhibition, using acid grafted eo-po copolymers.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051142A (en) * 1998-06-30 2000-04-18 Betzdearborn Inc. Inhibition of silica and silicate deposition using ethylene oxide-propylene oxide block copolymers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051142A (en) * 1998-06-30 2000-04-18 Betzdearborn Inc. Inhibition of silica and silicate deposition using ethylene oxide-propylene oxide block copolymers

Also Published As

Publication number Publication date
AU2001297009A1 (en) 2002-05-06
WO2002034681A2 (en) 2002-05-02

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