ATE431811T1 - Verwendung mehrwertiger metallkarbonate zur vorbeugung von kalksteinablagerung - Google Patents

Verwendung mehrwertiger metallkarbonate zur vorbeugung von kalksteinablagerung

Info

Publication number
ATE431811T1
ATE431811T1 AT00941450T AT00941450T ATE431811T1 AT E431811 T1 ATE431811 T1 AT E431811T1 AT 00941450 T AT00941450 T AT 00941450T AT 00941450 T AT00941450 T AT 00941450T AT E431811 T1 ATE431811 T1 AT E431811T1
Authority
AT
Austria
Prior art keywords
polyvalent metal
metal carbonates
value metal
copolymer
limestone deposit
Prior art date
Application number
AT00941450T
Other languages
English (en)
Inventor
Tien-Feing Ling
Duy T Nguyen
Xiang Wang
Fushan Zhang
Mitzi K Fader
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
Application granted granted Critical
Publication of ATE431811T1 publication Critical patent/ATE431811T1/de

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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (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)
  • Discharge Lamp (AREA)
  • Detergent Compositions (AREA)
AT00941450T 1999-06-16 2000-06-13 Verwendung mehrwertiger metallkarbonate zur vorbeugung von kalksteinablagerung ATE431811T1 (de)

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
ATE431811T1 true ATE431811T1 (de) 2009-06-15

Family

ID=27406946

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00941450T ATE431811T1 (de) 1999-06-16 2000-06-13 Verwendung mehrwertiger metallkarbonate zur vorbeugung von kalksteinablagerung

Country Status (12)

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

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Also Published As

Publication number Publication date
CN1216811C (zh) 2005-08-31
CN1355772A (zh) 2002-06-26
AU5615600A (en) 2001-01-02
MXPA01012771A (es) 2002-07-22
AU765558B2 (en) 2003-09-25
WO2000076922A2 (en) 2000-12-21
ES2323748T3 (es) 2009-07-24
JP2003525104A (ja) 2003-08-26
EP1192108A2 (de) 2002-04-03
CA2374603C (en) 2007-10-23
WO2000076922A3 (en) 2001-11-01
CA2374603A1 (en) 2000-12-21
EP1192108B1 (de) 2009-05-20
US6333005B1 (en) 2001-12-25
BR0012293A (pt) 2002-04-02
DE60042236D1 (de) 2009-07-02

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