ATE124021T1 - Verfahren zur kesselsteinbekämpfung in wässerigen systemen. - Google Patents

Verfahren zur kesselsteinbekämpfung in wässerigen systemen.

Info

Publication number
ATE124021T1
ATE124021T1 AT91303622T AT91303622T ATE124021T1 AT E124021 T1 ATE124021 T1 AT E124021T1 AT 91303622 T AT91303622 T AT 91303622T AT 91303622 T AT91303622 T AT 91303622T AT E124021 T1 ATE124021 T1 AT E124021T1
Authority
AT
Austria
Prior art keywords
aqueous systems
scale control
hydrogen
formation
systems
Prior art date
Application number
AT91303622T
Other languages
English (en)
Inventor
James Michael Brown
John Frank Mcdowell
Kin-Tai Chang
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 ATE124021T1 publication Critical patent/ATE124021T1/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
    • 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)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Epoxy Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT91303622T 1990-05-04 1991-04-23 Verfahren zur kesselsteinbekämpfung in wässerigen systemen. ATE124021T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/518,045 US5062962A (en) 1990-05-04 1990-05-04 Methods of controlling scale formation in aqueous systems

Publications (1)

Publication Number Publication Date
ATE124021T1 true ATE124021T1 (de) 1995-07-15

Family

ID=24062305

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91303622T ATE124021T1 (de) 1990-05-04 1991-04-23 Verfahren zur kesselsteinbekämpfung in wässerigen systemen.

Country Status (7)

Country Link
US (1) US5062962A (de)
EP (1) EP0460797B1 (de)
AT (1) ATE124021T1 (de)
AU (1) AU635102B2 (de)
CA (1) CA2035207C (de)
DE (1) DE69110550T2 (de)
ES (1) ES2073122T3 (de)

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US5368740A (en) * 1993-04-23 1994-11-29 Betz Paperchem, Inc. Methods of controlling scale formation in the presence of metal ions in aqueous systems
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US5378372A (en) * 1993-06-09 1995-01-03 Betz Laboratories, Inc. Control of scale formation in aqueous systems
US5326478A (en) * 1993-07-29 1994-07-05 Betz Laboratories, Inc. Methods for controlling scale formation in aqueous systems
US5518629A (en) * 1993-07-29 1996-05-21 Betz Laboratories, Inc. Methods for controlling scale formation in acqueous systems
US5616278A (en) * 1993-08-13 1997-04-01 Betzdearborn Inc. Inhibition of scale and corrosion in aqueous systems
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US5601754A (en) * 1995-04-21 1997-02-11 Betz Laboratories, Inc. Water treatment polymer containing poly[oxy-[(hydroxymethyl)-1,2-ethanediyl]] macromonomers and methods of use thereof
US5562830A (en) * 1995-09-14 1996-10-08 Betz Laboratories, Inc. Calcium carbonate scale controlling method
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US6585933B1 (en) 1999-05-03 2003-07-01 Betzdearborn, Inc. Method and composition for inhibiting corrosion in aqueous systems
US6126859A (en) * 1998-11-20 2000-10-03 Betzdearborn Inc. Method and composition for corrosion and deposition inhibition in aqueous systems
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US6333005B1 (en) 1999-06-16 2001-12-25 Hercules Incorporated Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor
US6241788B1 (en) 1999-11-16 2001-06-05 Betzdearborn Inc. Method of stabilizing dye solutions and stabilized dye compositions
US6436154B1 (en) 2000-09-28 2002-08-20 Fmc Wyoming Corporation Use of dodecylbenzene sulfonic acid or salt as a scale inhibitor
US20030111427A1 (en) * 2001-10-19 2003-06-19 Arch Chemicals, Inc. Composition for controlling the dissolving rate of solid sanitizers
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EP2082991A1 (de) 2008-01-22 2009-07-29 Thermphos Trading GmbH Verfahren zur Wasseraufbereitung
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CN103525588B (zh) * 2013-09-25 2015-05-20 广东工业大学 一种可生物降解性高分子洗涤助剂及其制备方法
DE102014100234A1 (de) * 2014-01-10 2015-07-16 Budich International Gmbh Phosphatersatzstoffe für alkalische Maschinenreiniger
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US11085118B2 (en) 2016-04-14 2021-08-10 Nch Corporation Composition and method for inhibiting corrosion and scale
US11104587B2 (en) 2016-04-14 2021-08-31 Nch Corporation System and method for automated control, feed, delivery verification, and inventory management of corrosion and scale treatment products for water systems
US10351453B2 (en) 2016-04-14 2019-07-16 Nch Corporation Composition and method for inhibiting corrosion
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BR112019015967A2 (pt) 2017-02-27 2020-03-24 General Electric Company Inibição de incrustação em aplicações de alta pressão e alta temperatura
BR112019015852A2 (pt) 2017-02-27 2020-04-14 Gen Electric inibição de incrustação de sulfato em aplicações de alta pressão e alta temperatura
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Also Published As

Publication number Publication date
EP0460797A1 (de) 1991-12-11
CA2035207C (en) 1995-06-20
AU635102B2 (en) 1993-03-11
ES2073122T3 (es) 1995-08-01
AU6948991A (en) 1991-11-07
EP0460797B1 (de) 1995-06-21
US5062962A (en) 1991-11-05
DE69110550T2 (de) 1996-01-11
DE69110550D1 (de) 1995-07-27
CA2035207A1 (en) 1991-11-05

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time