NZ229715A - Controlling scale deposition in an aqueous system using a carboxylic acid/quaternary ammonium copolymer - Google Patents

Controlling scale deposition in an aqueous system using a carboxylic acid/quaternary ammonium copolymer

Info

Publication number
NZ229715A
NZ229715A NZ229715A NZ22971589A NZ229715A NZ 229715 A NZ229715 A NZ 229715A NZ 229715 A NZ229715 A NZ 229715A NZ 22971589 A NZ22971589 A NZ 22971589A NZ 229715 A NZ229715 A NZ 229715A
Authority
NZ
New Zealand
Prior art keywords
quaternary ammonium
aqueous system
carboxylic acid
scale deposition
controlling scale
Prior art date
Application number
NZ229715A
Other languages
English (en)
Inventor
Shih-Ruey Thomas Chen
Craig W Vaughan
Original Assignee
Calgon 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 Calgon Corp filed Critical Calgon Corp
Publication of NZ229715A publication Critical patent/NZ229715A/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Sludge (AREA)
  • Colloid Chemistry (AREA)
  • Paper (AREA)
NZ229715A 1988-07-05 1989-06-26 Controlling scale deposition in an aqueous system using a carboxylic acid/quaternary ammonium copolymer NZ229715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21497988A 1988-07-05 1988-07-05

Publications (1)

Publication Number Publication Date
NZ229715A true NZ229715A (en) 1991-11-26

Family

ID=22801151

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ229715A NZ229715A (en) 1988-07-05 1989-06-26 Controlling scale deposition in an aqueous system using a carboxylic acid/quaternary ammonium copolymer

Country Status (9)

Country Link
EP (1) EP0350985B1 (forum.php)
JP (1) JPH0259099A (forum.php)
AT (1) ATE76856T1 (forum.php)
AU (1) AU617195B2 (forum.php)
CA (1) CA1333985C (forum.php)
DE (1) DE68901690T2 (forum.php)
ES (1) ES2031684T3 (forum.php)
GR (1) GR3004893T3 (forum.php)
NZ (1) NZ229715A (forum.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725096C2 (de) * 1997-06-13 2001-05-10 Saechsisches Textilforsch Inst Verfahren zur Eliminierung von Reaktivfarbstoffen und deren Hydrolysaten aus Abwässern
CN103130343A (zh) * 2011-11-30 2013-06-05 安徽省蓝天化工有限公司 一种海水淡化用阻垢缓蚀分散剂的制备方法
CN114426339A (zh) * 2021-12-30 2022-05-03 中国石油化工股份有限公司 一种油田硫酸钡分散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
GB772775A (en) * 1954-06-04 1957-04-17 Monsanto Chemicals A process for treating hard water
GB1287489A (en) * 1969-06-19 1972-08-31 Calgon Corp Water purification
US3715307A (en) * 1971-06-24 1973-02-06 Economics Lab Treatment of water used in heat transfer equipment
DE3700535A1 (de) * 1987-01-10 1988-07-21 Basf Ag Verfahren zur herstellung von wasserloeslichen copoylmerisaten der maleinsaeure und deren verwendung als wasserbehandlungsmittel

Also Published As

Publication number Publication date
DE68901690D1 (de) 1992-07-09
EP0350985B1 (en) 1992-06-03
JPH0259099A (ja) 1990-02-28
EP0350985A3 (en) 1990-04-25
DE68901690T2 (de) 1992-12-17
AU3783689A (en) 1990-01-11
ATE76856T1 (de) 1992-06-15
AU617195B2 (en) 1991-11-21
GR3004893T3 (forum.php) 1993-04-28
CA1333985C (en) 1995-01-17
EP0350985A2 (en) 1990-01-17
ES2031684T3 (es) 1992-12-16

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