ATE158347T1 - Verfahren zur inhibierung von inkrustation und korrosion in wässrigen kühlsysteme - Google Patents

Verfahren zur inhibierung von inkrustation und korrosion in wässrigen kühlsysteme

Info

Publication number
ATE158347T1
ATE158347T1 AT95301604T AT95301604T ATE158347T1 AT E158347 T1 ATE158347 T1 AT E158347T1 AT 95301604 T AT95301604 T AT 95301604T AT 95301604 T AT95301604 T AT 95301604T AT E158347 T1 ATE158347 T1 AT E158347T1
Authority
AT
Austria
Prior art keywords
chem
alkyl
corrosion
cooling systems
molar
Prior art date
Application number
AT95301604T
Other languages
English (en)
Inventor
Donald Todd Freese
Keith Alan Bair
Libardo Aquiles Perez
Fu Chen
Original Assignee
Betz Europ Inc
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 Betz Europ Inc filed Critical Betz Europ Inc
Application granted granted Critical
Publication of ATE158347T1 publication Critical patent/ATE158347T1/de

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
    • 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
    • C23F11/173—Macromolecular compounds
    • 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
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT95301604T 1994-03-11 1995-03-10 Verfahren zur inhibierung von inkrustation und korrosion in wässrigen kühlsysteme ATE158347T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21241994A 1994-03-11 1994-03-11
US20980794A 1994-03-11 1994-03-11

Publications (1)

Publication Number Publication Date
ATE158347T1 true ATE158347T1 (de) 1997-10-15

Family

ID=26904530

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95301604T ATE158347T1 (de) 1994-03-11 1995-03-10 Verfahren zur inhibierung von inkrustation und korrosion in wässrigen kühlsysteme

Country Status (5)

Country Link
EP (1) EP0674022B1 (de)
AT (1) ATE158347T1 (de)
CA (1) CA2143405C (de)
DE (1) DE69500709T2 (de)
ES (1) ES2106619T3 (de)

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029320B2 (ja) * 1980-05-02 1985-07-10 株式会社日本触媒 集塵方法
US4471100A (en) * 1981-01-16 1984-09-11 Nippon Shokubai Kagaku Kogyo Co., Ltd. Copolymer and method for manufacture thereof
JPS5858285A (ja) * 1981-10-01 1983-04-06 Katayama Chem Works Co Ltd 水系金属防食剤
US4392972A (en) * 1981-12-30 1983-07-12 Union Carbide Corporation Aluminum-corrosion inhibitive heat transfer fluid
JPS58224180A (ja) * 1982-06-23 1983-12-26 Kurita Water Ind Ltd 腐食抑制剤
JPS596382A (ja) * 1982-07-02 1984-01-13 Kurita Water Ind Ltd 金属の腐食抑制剤
JPS5923885A (ja) * 1982-07-28 1984-02-07 Sanyo Chem Ind Ltd 金属の腐食抑制剤
JPH0643469B2 (ja) * 1983-03-25 1994-06-08 花王株式会社 マレイン酸共重合体の製造方法
CA1234033A (en) * 1983-10-26 1988-03-15 Fu Chen Water treatment polymers and methods of use thereof
NZ213578A (en) * 1984-11-09 1988-04-29 Calgon Corp Inhibiting corrosion and scale deposition in aqueous systems by adding water soluble polymers
US4895663A (en) * 1986-05-16 1990-01-23 Betz Laboratories, Inc. Water treatment polymers and methods of use thereof
US4874540A (en) * 1986-07-18 1989-10-17 Ecolab Inc. Graft copolymers of a polyether moiety on a polycarboxylate backbone
JPS63105984A (ja) * 1986-10-22 1988-05-11 Nippon Shokubai Kagaku Kogyo Co Ltd 金属の腐蝕防止剤
US4959156A (en) * 1987-07-30 1990-09-25 Olin Corporation Block co-polymers useful as aqueous dispersants
US4847410A (en) * 1987-07-30 1989-07-11 Olin Corporation Block co-polymers useful as aqueous dispersants
EP0337694B1 (de) * 1988-04-11 1993-12-29 Nippon Shokubai Co., Ltd. Verfahren zur Herstellung eines Polymers von Maleinsäure und Wasserbehandlungsmittel und diese Polymere enthaltender Zusatz für Waschmittel
US5271847A (en) * 1992-01-28 1993-12-21 Betz Laboratories, Inc. Polymers for the treatment of boiler water
US5248438A (en) * 1992-01-28 1993-09-28 Betz Laboratories, Inc. Methods of controlling scale formation in aqueous systems
US5180498A (en) * 1992-01-28 1993-01-19 Betz Laboratories, Inc. Polymers for the treatment of boiler water
US5242599A (en) * 1992-02-07 1993-09-07 Betz Laboratories, Inc. Polymers for the treatment of boiler water
US5282976A (en) * 1992-07-21 1994-02-01 Rhone-Poulenc Inc. Terpolymer useful as a scale inhibitor

Also Published As

Publication number Publication date
EP0674022B1 (de) 1997-09-17
EP0674022A2 (de) 1995-09-27
CA2143405A1 (en) 1995-09-12
DE69500709T2 (de) 1998-02-26
CA2143405C (en) 2005-12-13
DE69500709D1 (de) 1997-10-23
EP0674022A3 (de) 1995-11-15
ES2106619T3 (es) 1997-11-01

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Legal Events

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UEP Publication of translation of european patent specification