BR0012293A - Métodos de prevenir escamação envolvendo composições inorgânicas, e composições para isso - Google Patents

Métodos de prevenir escamação envolvendo composições inorgânicas, e composições para isso

Info

Publication number
BR0012293A
BR0012293A BR0012293-9A BR0012293A BR0012293A BR 0012293 A BR0012293 A BR 0012293A BR 0012293 A BR0012293 A BR 0012293A BR 0012293 A BR0012293 A BR 0012293A
Authority
BR
Brazil
Prior art keywords
compositions
aqueous system
polyvalent metal
methods
antisquammer
Prior art date
Application number
BR0012293-9A
Other languages
English (en)
Inventor
Tien-Feing Ling
Mitzi K Fader
Duy T Nguyenng
Xiang Huai Wang
Fushan Zhang
Original Assignee
Hercules Inc
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
Priority claimed from US09/333,891 external-priority patent/US6355214B1/en
Application filed by Hercules Inc filed Critical Hercules Inc
Publication of BR0012293A publication Critical patent/BR0012293A/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
    • C02F5/105—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 combined with inorganic 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)
  • Discharge Lamp (AREA)

Abstract

Patente de Invenção: "MéTODOS DE PREVENIR ESCAMAçãO ENVOLVENDO COMPOSIçõES INORGâNICAS, E COMPOSIçõES PARA ISSO". Método para inibir depósitos de escama em um sistema aquoso. O método pode incluir pelo menos um de antiescamante de adição e formação no sistema aquoso tal que uma quantidade de antiescamante no sistema aquoso seja até aproximadamente 1000 ppm, onde o antiescamante compreende pelo menos um de silicato de metal polivalente e carbonato de metal polivalente, onde o sistema aquoso tem um pH de pelo menos aproximadamente 9, e onde um tamanho de partícula médio do antiescamante é menor do que aproximadamente 3 mícrons. O método inclui pelo menos um de antiescamante de adição e formação no sistema aquoso, onde o antiescamante compreende pelo menos um de silicato de metal polivalente e carbonato de metal polivalente, e adicionando copolímero de anidrido maléico e isobutileno. Composições desse.
BR0012293-9A 1999-06-16 2000-06-13 Métodos de prevenir escamação envolvendo composições inorgânicas, e composições para isso BR0012293A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/333,891 US6355214B1 (en) 1999-06-16 1999-06-16 Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
US09/523,663 US6365101B1 (en) 1999-06-16 2000-03-10 Methods of preventing scaling involving inorganic compositions, and compositions therefor
US09/589,886 US6333005B1 (en) 1999-06-16 2000-06-09 Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor
PCT/US2000/016493 WO2000076922A2 (en) 1999-06-16 2000-06-13 Methods of preventing scaling involving inorganic compositions, and compositions therefor

Publications (1)

Publication Number Publication Date
BR0012293A true BR0012293A (pt) 2002-04-02

Family

ID=27406946

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012293-9A BR0012293A (pt) 1999-06-16 2000-06-13 Métodos de prevenir escamação envolvendo composições inorgânicas, e composições para isso

Country Status (12)

Country Link
US (1) US6333005B1 (pt)
EP (1) EP1192108B1 (pt)
JP (1) JP2003525104A (pt)
CN (1) CN1216811C (pt)
AT (1) ATE431811T1 (pt)
AU (1) AU765558B2 (pt)
BR (1) BR0012293A (pt)
CA (1) CA2374603C (pt)
DE (1) DE60042236D1 (pt)
ES (1) ES2323748T3 (pt)
MX (1) MXPA01012771A (pt)
WO (1) WO2000076922A2 (pt)

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Also Published As

Publication number Publication date
ES2323748T3 (es) 2009-07-24
CA2374603A1 (en) 2000-12-21
WO2000076922A3 (en) 2001-11-01
CN1355772A (zh) 2002-06-26
JP2003525104A (ja) 2003-08-26
ATE431811T1 (de) 2009-06-15
EP1192108A2 (en) 2002-04-03
AU5615600A (en) 2001-01-02
WO2000076922A2 (en) 2000-12-21
MXPA01012771A (es) 2002-07-22
DE60042236D1 (de) 2009-07-02
CA2374603C (en) 2007-10-23
AU765558B2 (en) 2003-09-25
CN1216811C (zh) 2005-08-31
US6333005B1 (en) 2001-12-25
EP1192108B1 (en) 2009-05-20

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