KR900004639A - 보일러 약재 및 보일러의 부식방지방법 - Google Patents

보일러 약재 및 보일러의 부식방지방법 Download PDF

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Publication number
KR900004639A
KR900004639A KR1019890013490A KR890013490A KR900004639A KR 900004639 A KR900004639 A KR 900004639A KR 1019890013490 A KR1019890013490 A KR 1019890013490A KR 890013490 A KR890013490 A KR 890013490A KR 900004639 A KR900004639 A KR 900004639A
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South Korea
Prior art keywords
boiler
water
salt
phosphate ester
starch phosphate
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KR1019890013490A
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English (en)
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KR960013339B1 (ko
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다야시로우
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다카 오카 기요시
구리타 코교 가부시기가이샤
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Publication of KR900004639A publication Critical patent/KR900004639A/ko
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Soy Sauces And Products Related Thereto (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

내용 없음

Description

보일러 약재 및 보일러의 부식방지방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예1에서 얻어진 전분인산 에스테르나트륨의 탈산소 효과의 시험결과를 나타내는 그래프이다.

Claims (10)

  1. 전분인산에스테르 및/또는 그 수용성염을 함유하는 것을 특징으로 하는 보일러약재.
  2. 제1항에 있어서, 전분인산에스테르 및/또는 그 수용성염의 함유량이 1∼100중량%인것을 특징으로 하는 보일러약재.
  3. 제1항에 있어서, 전분인산에스테르의 수용성 염이 금속염 또는 암모늄염인 것을 특징으로 하는 보일러약재.
  4. 제3항에 있어서, 금속염이 나트륨염 또는 칼륨염인 것을 특징으로 하는 보일러약재.
  5. 제1항에 있어서, 분사제, 탈산소제, 경화제거제 및 pH 조정제로 구성되는 군에서 선택된 적어도 1종을 함유하는 것을 특징으로 하는 보일러약제.
  6. 보일러 급수에 전분인산에스케르 및/또는 그 수용성염을 첨가하는 것을 특징으로 하는 보일러의 부식 방지방법.
  7. 제6항에 있어서, 보일러급수에 대한 전분인산에스테르 및/또는 그 수용성염의 첨가량이 0.5∼200㎎/l인 것을 특징으로 하는 보일러의 부식방지방법.
  8. 제6항에 있어서, 보일러급수에 대한 전분인산에스테르 및/또는 그 수용성염의 첨가량이 보일러 급수중의 용존산소1㎎/l에 대하여 전분인산에스테르 및/또는 그 수용액염을 5∼3㎎/l의 비율이 되도록 하는 것을 특징으로 하는 보일러의 부식 방지방법.
  9. 제6항에 있어서, 또한 분산제, 탈산소제, 경화제거제 및 pH 조정제로 구성되는 군에서 선택된 적어도 1종을 첨가하는 것을 특징으로 하는 보일러의 부식방지방법.
  10. 보일러급수에 전분인산에스테르 및/또는 그 수용성염을 첨가하여 보일러수중에서 가수분해하고 생성한 생성한 인산 이온농도 및 보일러 급수중의 용존산소농도를 측정하고, 거기에 의거하여 보일러급수에 첨가할 전분인산에스테르 및/또는 그 수용성염의 양을 조절하는 것을 특징으로 하는 보일러의 부식방지방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890013490A 1988-09-21 1989-09-20 보일러 약제 및 보일러의 부식 방지 방법 KR960013339B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63237373A JPH0285383A (ja) 1988-09-21 1988-09-21 ボイラ薬剤
JP63-237373 1988-09-21

Publications (2)

Publication Number Publication Date
KR900004639A true KR900004639A (ko) 1990-04-12
KR960013339B1 KR960013339B1 (ko) 1996-10-04

Family

ID=17014425

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890013490A KR960013339B1 (ko) 1988-09-21 1989-09-20 보일러 약제 및 보일러의 부식 방지 방법

Country Status (8)

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

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
TR201808023T4 (tr) * 2014-02-12 2018-06-21 Kurita Water Ind Ltd Fosfotartarik asit ve bunların tuzlarının su ile çalışan sistemlerde suyun muamelesi için kullanılması.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA447740A (en) * 1948-04-06 Oswald Samuel John Water softening
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 (ko) * 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
KR960013339B1 (ko) 1996-10-04
US5013481A (en) 1991-05-07
BR8904733A (pt) 1990-05-01
DE68907393T2 (de) 1993-10-14
EP0369584B1 (en) 1993-06-30
EP0369584A1 (en) 1990-05-23
ATE91160T1 (de) 1993-07-15
JPH0344153B2 (ko) 1991-07-05
CA1332786C (en) 1994-11-01
JPH0285383A (ja) 1990-03-26
DE68907393D1 (de) 1993-08-05

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