FI894855A0 - Behandling av vattensystem foer att hindra korrosion och pannstensbildning. - Google Patents

Behandling av vattensystem foer att hindra korrosion och pannstensbildning.

Info

Publication number
FI894855A0
FI894855A0 FI894855A FI894855A FI894855A0 FI 894855 A0 FI894855 A0 FI 894855A0 FI 894855 A FI894855 A FI 894855A FI 894855 A FI894855 A FI 894855A FI 894855 A0 FI894855 A0 FI 894855A0
Authority
FI
Finland
Prior art keywords
vattensystem
pannstensbildning
korrosion
behandling
och
Prior art date
Application number
FI894855A
Other languages
English (en)
Inventor
Jr Harold A Chagnard
Mark K Brayden
Thomas R Leblanc
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of FI894855A0 publication Critical patent/FI894855A0/fi

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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
FI894855A 1987-06-15 1989-10-13 Behandling av vattensystem foer att hindra korrosion och pannstensbildning. FI894855A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/061,648 US4774018A (en) 1987-06-15 1987-06-15 Treatment for water systems to inhibit corrosion and scale formation
PCT/US1988/002047 WO1988010238A1 (en) 1987-06-15 1988-06-14 Treatment for water systems to inhibit corrosion and scale formation

Publications (1)

Publication Number Publication Date
FI894855A0 true FI894855A0 (fi) 1989-10-13

Family

ID=22037173

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894855A FI894855A0 (fi) 1987-06-15 1989-10-13 Behandling av vattensystem foer att hindra korrosion och pannstensbildning.

Country Status (10)

Country Link
US (1) US4774018A (fi)
EP (1) EP0363439A1 (fi)
JP (1) JPH02500986A (fi)
KR (1) KR910003088B1 (fi)
AU (1) AU2309988A (fi)
BR (1) BR8807469A (fi)
DK (1) DK510689A (fi)
FI (1) FI894855A0 (fi)
WO (1) WO1988010238A1 (fi)
ZA (1) ZA884278B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869827A (en) * 1987-06-15 1989-09-26 The Dow Chemical Company Treatment for water systems to inhibit corrosion and scale formation
US5068059A (en) * 1990-01-16 1991-11-26 Drew Chemical Corporation Corrosion inhibitor
US5057228A (en) * 1990-04-16 1991-10-15 Baker Hughes Incorporated Metal ion complexes for use as scale inhibitors
US5866042A (en) * 1997-07-18 1999-02-02 Betzdearborn Inc. Methods and compositions for inhibiting corrosion
EP1886976A1 (en) * 2006-08-09 2008-02-13 Thermphos Trading GmbH Method of scale inhibition
US20130171521A1 (en) * 2010-09-16 2013-07-04 Zeon Corporation Positive electrode for secondary cell
KR101715372B1 (ko) * 2016-05-26 2017-03-15 이종호 녹 제거 및 방지용 조성물, 및 이를 제조하는 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976589A (en) * 1971-08-04 1976-08-24 Monsanto Company Methods of scale inhibition
US4324684A (en) * 1979-10-29 1982-04-13 Betz Laboratories, Inc. Stable compositions for use as corrosion inhibitors
US4324664A (en) * 1981-04-16 1982-04-13 Betz Laboratories, Inc. Method and composition for treating aqueous mediums
US4501667A (en) * 1983-03-03 1985-02-26 Ciba-Geigy Corporation Process of inhibiting corrosion of metal surfaces and/or deposition of scale thereon
US4640818A (en) * 1984-08-17 1987-02-03 The Dow Chemical Company Corrosion inhibition of metals in water systems using aminophosphonic acid derivatives in combination with manganese
JP2608550B2 (ja) * 1986-10-17 1997-05-07 株式会社 片山化学工業研究所 軟水ボイラの防食処理方法

Also Published As

Publication number Publication date
BR8807469A (pt) 1990-05-22
WO1988010238A1 (en) 1988-12-29
JPH02500986A (ja) 1990-04-05
EP0363439A4 (en) 1990-01-23
US4774018A (en) 1988-09-27
DK510689D0 (da) 1989-10-13
KR910003088B1 (ko) 1991-05-18
EP0363439A1 (en) 1990-04-18
DK510689A (da) 1989-12-12
ZA884278B (en) 1990-02-28
KR890701481A (ko) 1989-12-20
AU2309988A (en) 1989-01-19

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: THE DOW CHEMICAL COMPANY