CA1114595A - Traitement anticorrosion des eaux de chaudiere - Google Patents

Traitement anticorrosion des eaux de chaudiere

Info

Publication number
CA1114595A
CA1114595A CA332,878A CA332878A CA1114595A CA 1114595 A CA1114595 A CA 1114595A CA 332878 A CA332878 A CA 332878A CA 1114595 A CA1114595 A CA 1114595A
Authority
CA
Canada
Prior art keywords
acid
acid polymer
organic acid
phosphate
ppm
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
Application number
CA332,878A
Other languages
English (en)
Inventor
Joseph J. Schuck
Irene T. Godlewski
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.)
GE BetzDearborn Canada Co
Original Assignee
Betz Laboratories 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 Betz Laboratories Ltd filed Critical Betz Laboratories Ltd
Application granted granted Critical
Publication of CA1114595A publication Critical patent/CA1114595A/fr
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
CA332,878A 1979-04-02 1979-07-31 Traitement anticorrosion des eaux de chaudiere Expired CA1114595A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2627379A 1979-04-02 1979-04-02
US026,273 1979-04-02

Publications (1)

Publication Number Publication Date
CA1114595A true CA1114595A (fr) 1981-12-22

Family

ID=21830852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA332,878A Expired CA1114595A (fr) 1979-04-02 1979-07-31 Traitement anticorrosion des eaux de chaudiere

Country Status (5)

Country Link
EP (1) EP0018083B1 (fr)
AU (1) AU532452B2 (fr)
CA (1) CA1114595A (fr)
DE (1) DE3070190D1 (fr)
NZ (1) NZ193147A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303568A (en) * 1979-12-10 1981-12-01 Betz Laboratories, Inc. Corrosion inhibition treatments and method
CA1217691A (fr) 1983-04-15 1987-02-10 William M. Hann Detartrage aux polymeres de faible masse moleculaire pour systemes aqueux
US4814406A (en) * 1986-02-28 1989-03-21 Katayama Chemical Works Ltd. Scale inhibitor
US5273773A (en) * 1987-07-06 1993-12-28 Katayama Chemical Works Co., Ktd. Protein partial degradation products
US5274079A (en) * 1987-07-27 1993-12-28 Katayama Chemical Works Co., Ltd. Protein partial degradation products that are useful as surface active agents and dispersing agents
US5019342A (en) * 1989-10-25 1991-05-28 Betz Laboratories, Inc. Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers
US5141716A (en) * 1989-10-25 1992-08-25 Betz Laboratories, Inc. Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers
US5864596A (en) 1996-07-10 1999-01-26 Commonwealth Edison Company Polymer dispersants and methods of use in a nuclear steam generator
AU7872598A (en) * 1996-12-23 1998-07-17 Combustion Engineering Inc. Feedwater pH control for steam generators
JP2011174173A (ja) * 2010-01-28 2011-09-08 Kurita Water Ind Ltd ボイラ用防食剤

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL242077A (fr) * 1958-03-27
US3837803A (en) * 1972-07-11 1974-09-24 Betz Laboratories Orthophosphate corrosion inhibitors and their use
US3992318A (en) * 1973-10-09 1976-11-16 Drew Chemical Corporation Corrosion inhibitor

Also Published As

Publication number Publication date
EP0018083A1 (fr) 1980-10-29
NZ193147A (en) 1982-05-31
EP0018083B1 (fr) 1985-02-20
DE3070190D1 (en) 1985-03-28
AU532452B2 (en) 1983-09-29
AU5636680A (en) 1980-10-09

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Legal Events

Date Code Title Description
MKEX Expiry