DE68907393T2 - Verfahren zur Sauerstoffbeseitigung und Zurverhinderung der Krüstenbildung in Heizkesseln. - Google Patents

Verfahren zur Sauerstoffbeseitigung und Zurverhinderung der Krüstenbildung in Heizkesseln.

Info

Publication number
DE68907393T2
DE68907393T2 DE89309636T DE68907393T DE68907393T2 DE 68907393 T2 DE68907393 T2 DE 68907393T2 DE 89309636 T DE89309636 T DE 89309636T DE 68907393 T DE68907393 T DE 68907393T DE 68907393 T2 DE68907393 T2 DE 68907393T2
Authority
DE
Germany
Prior art keywords
boiler
water
boilers
removing oxygen
crust formation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE89309636T
Other languages
English (en)
Other versions
DE68907393D1 (de
Inventor
Shiro Taya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kurita Water Industries Ltd
Original Assignee
Kurita Water Industries 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 Industries Ltd filed Critical Kurita Water Industries Ltd
Application granted granted Critical
Publication of DE68907393D1 publication Critical patent/DE68907393D1/de
Publication of DE68907393T2 publication Critical patent/DE68907393T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • 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
    • C02F5/14—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 phosphorus
    • 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
    • C02F5/14—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 phosphorus
    • C02F5/145—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 phosphorus combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/167—Phosphorus-containing compounds
    • C23F11/1673—Esters of phosphoric or thiophosphoric acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Soy Sauces And Products Related Thereto (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
DE89309636T 1988-09-21 1989-09-21 Verfahren zur Sauerstoffbeseitigung und Zurverhinderung der Krüstenbildung in Heizkesseln. Expired - Fee Related DE68907393T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63237373A JPH0285383A (ja) 1988-09-21 1988-09-21 ボイラ薬剤

Publications (2)

Publication Number Publication Date
DE68907393D1 DE68907393D1 (de) 1993-08-05
DE68907393T2 true DE68907393T2 (de) 1993-10-14

Family

ID=17014425

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89309636T Expired - Fee Related DE68907393T2 (de) 1988-09-21 1989-09-21 Verfahren zur Sauerstoffbeseitigung und Zurverhinderung der Krüstenbildung in Heizkesseln.

Country Status (8)

Country Link
US (1) US5013481A (de)
EP (1) EP0369584B1 (de)
JP (1) JPH0285383A (de)
KR (1) KR960013339B1 (de)
AT (1) ATE91160T1 (de)
BR (1) BR8904733A (de)
CA (1) CA1332786C (de)
DE (1) DE68907393T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03191076A (ja) * 1989-12-20 1991-08-21 Kurita Water Ind Ltd ボイラ用脱酸素剤
WO2015120871A1 (de) * 2014-02-12 2015-08-20 Kurita Water Industries Ltd. Verwendung von phosphoweinsäure und deren salzen zur behandlung von wasser in wasserführenden systemen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA447740A (en) * 1948-04-06 Oswald Samuel John Water softening
CA800614A (en) * 1968-12-03 Rohm And Haas Company Inhibition of corrosion and scaling of metals, precipitation of iron dissolved in water, and dispersion of suspended solids
FR1438844A (fr) * 1965-06-30 1966-05-13 Hexionic Acid Corp Composition chimique, notamment utilisable contre la corrosion des métaux
GR35176B (el) * 1966-08-31 1968-08-22 Rohm And Haas Company Αναχαιτησις διαβρωσεως και αποθεσεων μεταλλων, κατακρημνισις σιδηρου διαλελυμενου εις υδωρ και απαιωρησεως των εν αιωρησει στερεων υλων.
NL137430C (de) * 1968-09-07
JPS5940229B2 (ja) * 1979-12-05 1984-09-28 工業技術院長 防錆剤及びその製造方法
JPS60118295A (ja) * 1983-10-26 1985-06-25 ベッツ・インターナショナル・インコーポレイテッド 用水処理用ポリマーとその使用方法
US4680125A (en) * 1985-03-07 1987-07-14 W. R. Grace & Co. Method of inhibiting the deposition of scale in an aqueous system
US4841040A (en) * 1987-12-09 1989-06-20 Aqualon Company Phosphated, oxidized starch and use of same as dispersant in aqueous solutions and coating for lithography

Also Published As

Publication number Publication date
EP0369584A1 (de) 1990-05-23
CA1332786C (en) 1994-11-01
JPH0285383A (ja) 1990-03-26
JPH0344153B2 (de) 1991-07-05
EP0369584B1 (de) 1993-06-30
DE68907393D1 (de) 1993-08-05
BR8904733A (pt) 1990-05-01
ATE91160T1 (de) 1993-07-15
KR960013339B1 (ko) 1996-10-04
US5013481A (en) 1991-05-07
KR900004639A (ko) 1990-04-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee