PT928778E - Agente para o tratamento de agua de caldeiras - Google Patents

Agente para o tratamento de agua de caldeiras

Info

Publication number
PT928778E
PT928778E PT99100075T PT99100075T PT928778E PT 928778 E PT928778 E PT 928778E PT 99100075 T PT99100075 T PT 99100075T PT 99100075 T PT99100075 T PT 99100075T PT 928778 E PT928778 E PT 928778E
Authority
PT
Portugal
Prior art keywords
agent
boiler water
treatment
acrylamido
methylpropanesulfonic acid
Prior art date
Application number
PT99100075T
Other languages
English (en)
Inventor
Moriyasu Itoh
Shiro Taya
Original Assignee
Kurita Water Ind Ltd
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 Kurita Water Ind Ltd filed Critical Kurita Water Ind Ltd
Publication of PT928778E publication Critical patent/PT928778E/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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Physical Water Treatments (AREA)
  • Removal Of Specific Substances (AREA)
PT99100075T 1998-01-13 1999-01-05 Agente para o tratamento de agua de caldeiras PT928778E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00476198A JP3578257B2 (ja) 1998-01-13 1998-01-13 ボイラ水処理剤

Publications (1)

Publication Number Publication Date
PT928778E true PT928778E (pt) 2003-07-31

Family

ID=11592880

Family Applications (1)

Application Number Title Priority Date Filing Date
PT99100075T PT928778E (pt) 1998-01-13 1999-01-05 Agente para o tratamento de agua de caldeiras

Country Status (8)

Country Link
EP (1) EP0928778B1 (pt)
JP (1) JP3578257B2 (pt)
KR (1) KR100287501B1 (pt)
AT (1) ATE236093T1 (pt)
DE (1) DE69906394T2 (pt)
ES (1) ES2196653T3 (pt)
PT (1) PT928778E (pt)
SG (1) SG73600A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4718823B2 (ja) * 2004-11-30 2011-07-06 アクアス株式会社 ボイラ水系処理剤、及び、それを用いたボイラ水系の処理方法
KR101303228B1 (ko) * 2012-10-22 2013-09-10 성산테크(주) 밀폐형 난방수계 배관설비 보호제 조성물
JP6914676B2 (ja) * 2017-03-09 2021-08-04 アクアス株式会社 スケール除去剤、および、スケール除去方法
JP7083365B2 (ja) * 2020-03-12 2022-06-10 栗田工業株式会社 ボイラにおける蒸発管の腐食疲労の抑制方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709815A (en) * 1971-07-01 1973-01-09 Calgon Corp Boiler water treatment
US5171451A (en) * 1991-05-28 1992-12-15 Nalco Chemical Company Simultaneous use of water soluble polymers with ozone in cooling water systems
JP3172744B2 (ja) * 1992-12-25 2001-06-04 栗田工業株式会社 ボイラ用薬剤

Also Published As

Publication number Publication date
KR100287501B1 (ko) 2001-04-16
DE69906394T2 (de) 2003-10-30
EP0928778A2 (en) 1999-07-14
KR19990067931A (ko) 1999-08-25
SG73600A1 (en) 2000-06-20
JPH11197648A (ja) 1999-07-27
DE69906394D1 (de) 2003-05-08
ATE236093T1 (de) 2003-04-15
ES2196653T3 (es) 2003-12-16
EP0928778B1 (en) 2003-04-02
JP3578257B2 (ja) 2004-10-20
EP0928778A3 (en) 1999-07-21

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