ES2104819T3 - Metodo para dispersar hierro. - Google Patents

Metodo para dispersar hierro.

Info

Publication number
ES2104819T3
ES2104819T3 ES92250323T ES92250323T ES2104819T3 ES 2104819 T3 ES2104819 T3 ES 2104819T3 ES 92250323 T ES92250323 T ES 92250323T ES 92250323 T ES92250323 T ES 92250323T ES 2104819 T3 ES2104819 T3 ES 2104819T3
Authority
ES
Spain
Prior art keywords
iron
dispersing iron
dispersing
disperse
copolymer
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 - Lifetime
Application number
ES92250323T
Other languages
English (en)
Inventor
Chih Ming Hwa
John Arthur Kelly
Wun Ten Tai
Lai-Duien Grace Fan
Robert Paul Kreh
Brian Greaves
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.)
Veolia WTS USA Inc
Original Assignee
BetzDearborn 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 BetzDearborn Inc filed Critical BetzDearborn Inc
Application granted granted Critical
Publication of ES2104819T3 publication Critical patent/ES2104819T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Iron (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

UN METODO PARA DISPERSAR HIERRO EN UN SISTEMA ACUOSO QUE COMPRENDE LA ADICION AL SISTEMA DE UN COPOLIMERO DE ESTIRENO ACIDO SULFONICO Y DE UN ACIDO METACRILICO O SU SAL SOLUBLE EN AGUA EN UNA CANTIDAD EFECTIVA PARA DISPERSAREL HIERRO CONTENIDO EN LOS MISMOS.
ES92250323T 1991-11-18 1992-11-09 Metodo para dispersar hierro. Expired - Lifetime ES2104819T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/793,760 US5183574A (en) 1991-11-18 1991-11-18 Method of dispersing iron

Publications (1)

Publication Number Publication Date
ES2104819T3 true ES2104819T3 (es) 1997-10-16

Family

ID=25160727

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92250323T Expired - Lifetime ES2104819T3 (es) 1991-11-18 1992-11-09 Metodo para dispersar hierro.

Country Status (8)

Country Link
US (1) US5183574A (es)
EP (1) EP0543473B1 (es)
AT (1) ATE155442T1 (es)
AU (1) AU649343B2 (es)
CA (1) CA2075243C (es)
DE (1) DE69220893T2 (es)
ES (1) ES2104819T3 (es)
ZA (1) ZA925303B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5736405A (en) * 1996-03-21 1998-04-07 Nalco Chemical Company Monitoring boiler internal treatment with fluorescent-tagged polymers
US5698250A (en) 1996-04-03 1997-12-16 Tenneco Packaging Inc. Modifield atmosphere package for cut of raw meat
US5928560A (en) 1996-08-08 1999-07-27 Tenneco Packaging Inc. Oxygen scavenger accelerator
US6395195B1 (en) 1996-08-08 2002-05-28 Pactiv Corporation Oxygen scavenger accelerator
AUPO976797A0 (en) * 1997-10-14 1997-11-06 Orica Australia Pty Ltd Method and composition (III)
US20020028860A1 (en) * 1999-04-16 2002-03-07 E. Michael Kerr Method of modifying rheology of slurries in mineral processing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA614685A (en) * 1961-02-14 Tabachnick Howard Method for preventing deposition of iron salts
US4048066A (en) * 1976-11-17 1977-09-13 Chemed Corporation Method of inhibiting scale
US4374733A (en) * 1981-04-01 1983-02-22 Betz Laboratories, Inc. Method for treating aqueous mediums
US4545920A (en) * 1982-05-28 1985-10-08 Nalco Chemical Company Boiler water treating compositions
US4640793A (en) * 1984-02-14 1987-02-03 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4680135A (en) * 1984-11-09 1987-07-14 Calgon Corporation Carboxylic/sulfonic polymer and carboxylic/polyalkylene oxide polymer admixtures for use in iron oxide deposit control
US4618448A (en) * 1984-11-09 1986-10-21 Calgon Corporation Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control
US4885097A (en) * 1986-12-08 1989-12-05 The B. F. Goodrich Company Stabilization of metal ions with terpolymers containing styrene sulfonic acid
US4952327A (en) * 1986-12-08 1990-08-28 The B. F. Goodrich Company Scale control with terpolymers containing styrene sulfonic acid
US4952326A (en) * 1986-12-08 1990-08-28 The B. F. Goodrich Company Dispersion of particulates in an aqueous medium
DE3786003T2 (de) * 1986-12-19 1993-09-02 Nat Starch Chem Invest Wasserloesliche polymere, die allyloxybenzensulfonat-monomere enthalten.
US4997571A (en) * 1990-01-05 1991-03-05 Mogul Corporation Method of treating water

Also Published As

Publication number Publication date
ZA925303B (en) 1993-05-18
EP0543473A1 (en) 1993-05-26
CA2075243C (en) 2000-12-12
US5183574A (en) 1993-02-02
AU649343B2 (en) 1994-05-19
ATE155442T1 (de) 1997-08-15
DE69220893T2 (de) 1998-01-15
CA2075243A1 (en) 1993-05-19
DE69220893D1 (de) 1997-08-21
AU2032592A (en) 1993-06-03
EP0543473B1 (en) 1997-07-16

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