ZA905799B - Control of scale in aqueous systems using certain phosphonomethyl amine oxides - Google Patents

Control of scale in aqueous systems using certain phosphonomethyl amine oxides

Info

Publication number
ZA905799B
ZA905799B ZA905799A ZA905799A ZA905799B ZA 905799 B ZA905799 B ZA 905799B ZA 905799 A ZA905799 A ZA 905799A ZA 905799 A ZA905799 A ZA 905799A ZA 905799 B ZA905799 B ZA 905799B
Authority
ZA
South Africa
Prior art keywords
aqueous systems
scale
control
amine oxides
phosphonomethyl amine
Prior art date
Application number
ZA905799A
Other languages
English (en)
Inventor
Chih Ming Hwa
Ming Hwa Chih
John Arthur Kelly
Arthur Kelly John
Janet Neton
Neton Janet
Patricia M Scanlon
M Scanlon Patricia
Roger R Gaudette
R Gaudette Roger
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of ZA905799B publication Critical patent/ZA905799B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting 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
    • C23F11/167Phosphorus-containing compounds
    • C23F11/1676Phosphonic acids
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14Treatment 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
ZA905799A 1989-12-15 1990-07-24 Control of scale in aqueous systems using certain phosphonomethyl amine oxides ZA905799B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45168189A 1989-12-15 1989-12-15

Publications (1)

Publication Number Publication Date
ZA905799B true ZA905799B (en) 1991-05-29

Family

ID=23793266

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA905799A ZA905799B (en) 1989-12-15 1990-07-24 Control of scale in aqueous systems using certain phosphonomethyl amine oxides

Country Status (9)

Country Link
EP (1) EP0432664B1 (fr)
JP (1) JP3112956B2 (fr)
AT (1) ATE86592T1 (fr)
AU (1) AU624754B2 (fr)
CA (1) CA2022708C (fr)
DE (1) DE69001065T2 (fr)
ES (1) ES2039112T3 (fr)
NZ (1) NZ234683A (fr)
ZA (1) ZA905799B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322636A (en) * 1992-03-30 1994-06-21 Calgon Corporation Polyether polyamino methylene phosphonate n-oxides for high pH scale control
CA2092492A1 (fr) * 1992-03-30 1993-10-01 Ecc Specialty Chemicals Inc. N-(2-hydroxyethyl)-n-bis (acide methylenephosphonique) et son n-oxyde correspondant utilise pour reduire l'entartrage a ph eleve
ATE165315T1 (de) * 1993-07-08 1998-05-15 Betzdearborn Inc Kalziumkarbonatablagerungsverhinderungsmittel
US5534157A (en) * 1994-11-10 1996-07-09 Calgon Corporation Polyether polyamino methylene phosphonates for high pH scale control
US5709814A (en) * 1995-10-06 1998-01-20 Calgon Corporation Aqueous system containing a synergistic phosphonate scale control combination
US5702634A (en) * 1995-10-06 1997-12-30 Calgon Corporation Aqueous system containing a synergistic combination including polyether polyamino methylene phosphates for controlling calcium carbonate and calcium phosphate scale
US5580462A (en) * 1995-10-06 1996-12-03 Calgon Corporation Controlling calcium carbonate and calcium phosphate scale in an aqueous system using a synergistic combination
US5593595A (en) * 1995-10-06 1997-01-14 Calgon Corporation Method for controlling scale using a synergistic phosphonate combination
US5772913A (en) * 1996-09-24 1998-06-30 Calgon Corporation Aqueous system containing a synergistic combination for scale control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429914A (en) * 1964-09-03 1969-02-25 Monsanto Co Organo-phosphono-amine oxides
US3474133A (en) * 1964-09-03 1969-10-21 Monsanto Co Tris(phosphono-lower alkylidene) amine oxides
GB2227997B (en) * 1988-12-20 1992-04-15 Grace W R & Co Scale control
US4973744A (en) * 1989-12-15 1990-11-27 W. R. Grace & Co.-Conn. Ethoxylated N,N-bis-phosphonomethyl 2-(hydroxy)ethylamine N-oxides and water-soluble salts thereof

Also Published As

Publication number Publication date
JPH03254899A (ja) 1991-11-13
AU6705190A (en) 1991-06-20
ES2039112T3 (es) 1993-08-16
AU624754B2 (en) 1992-06-18
DE69001065T2 (de) 1993-06-17
EP0432664B1 (fr) 1993-03-10
EP0432664A1 (fr) 1991-06-19
DE69001065D1 (de) 1993-04-15
CA2022708C (fr) 2000-10-03
CA2022708A1 (fr) 1991-06-16
ATE86592T1 (de) 1993-03-15
NZ234683A (en) 1992-03-26
JP3112956B2 (ja) 2000-11-27

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