CA2187121A1 - Aqueous system containing a synergistic phosphonate scale control combination - Google Patents

Aqueous system containing a synergistic phosphonate scale control combination

Info

Publication number
CA2187121A1
CA2187121A1 CA002187121A CA2187121A CA2187121A1 CA 2187121 A1 CA2187121 A1 CA 2187121A1 CA 002187121 A CA002187121 A CA 002187121A CA 2187121 A CA2187121 A CA 2187121A CA 2187121 A1 CA2187121 A1 CA 2187121A1
Authority
CA
Canada
Prior art keywords
aqueous system
molecular weight
average molecular
terpolymer
calcium
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.)
Abandoned
Application number
CA002187121A
Other languages
English (en)
French (fr)
Inventor
Jasbir S. Gill
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.)
Calgon Corp
Original Assignee
Calgon Corp
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
Priority claimed from US08/540,270 external-priority patent/US5593595A/en
Priority claimed from US08/540,268 external-priority patent/US5709814A/en
Application filed by Calgon Corp filed Critical Calgon Corp
Publication of CA2187121A1 publication Critical patent/CA2187121A1/en
Abandoned 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
CA002187121A 1995-10-06 1996-10-04 Aqueous system containing a synergistic phosphonate scale control combination Abandoned CA2187121A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/540,270 US5593595A (en) 1995-10-06 1995-10-06 Method for controlling scale using a synergistic phosphonate combination
US08/540,270 1995-10-06
US08/540,268 US5709814A (en) 1995-10-06 1995-10-06 Aqueous system containing a synergistic phosphonate scale control combination
US08/540,268 1995-10-06

Publications (1)

Publication Number Publication Date
CA2187121A1 true CA2187121A1 (en) 1997-04-07

Family

ID=27066382

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002187121A Abandoned CA2187121A1 (en) 1995-10-06 1996-10-04 Aqueous system containing a synergistic phosphonate scale control combination

Country Status (3)

Country Link
JP (1) JPH09174092A (ja)
BR (1) BR9603998A (ja)
CA (1) CA2187121A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6029744B2 (ja) * 2013-03-29 2016-11-24 三菱電機株式会社 水質診断方法、水質診断装置および給湯器システム

Also Published As

Publication number Publication date
JPH09174092A (ja) 1997-07-08
BR9603998A (pt) 1998-11-03
MX9604570A (es) 1997-09-30

Similar Documents

Publication Publication Date Title
EP0516382B1 (en) Polyether polyamino methylene phosphonates for high pH scale control
US5338477A (en) Polyether polyamino methylene phosphonates for high pH scale control
EP0544345B1 (en) Corrosion and/or scale inhibition
KR100623541B1 (ko) 스케일 및(또는) 부식 억제를 위한 조성물 및 방법
US5565106A (en) Stabilization of polyether polyamino methylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides
US4617129A (en) Scale inhibition
US5534157A (en) Polyether polyamino methylene phosphonates for high pH scale control
AU662398B2 (en) Polyether polyamino methylene phosphonate N-oxides for high pH scale control
AU664426B2 (en) N-(2-hydroxyethyl)-N-bis(methylenephosphonic acid) and corresponding N-oxide thereof for high pH scale control
EP0564232B1 (en) N,N-bis(phosphonomethyl)-2-amino-1-propanol derivatives for high pH scale control
US5707529A (en) Method for controlling scale in an aqueous system using a synergistic combination
US5772913A (en) Aqueous system containing a synergistic combination for scale control
US5580462A (en) Controlling calcium carbonate and calcium phosphate scale in an aqueous system using a synergistic combination
EP0831065B1 (en) A method and a composition for controlling scale in an aqueous system using a synergistic composition
US5593595A (en) Method for controlling scale using a synergistic phosphonate combination
US5449476A (en) Stabilization of aminomethylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides
US5709814A (en) Aqueous system containing a synergistic phosphonate scale control combination
US5702634A (en) Aqueous system containing a synergistic combination including polyether polyamino methylene phosphates for controlling calcium carbonate and calcium phosphate scale
EP0767145B1 (en) Use of a synergistic composition for scale control
CA2187121A1 (en) Aqueous system containing a synergistic phosphonate scale control combination
US5439611A (en) Stabilization of hydroxyalkylidene phosphonate scale inhibitors against degradation by bromine and chlorine biocides
CA2187145A1 (en) Aqueous system containing a synergistic combination for controlling calcium carbonate and calcium phosphate scale
MXPA96004570A (en) An aqueous system that contains a synergistic combination for the control of defrosf incrustations
MXPA97007226A (es) Un metodo para controlar incrustacion en unsistema acuoso utilizando una combinacionsinergistica
MXPA96004569A (en) An aqueous system containing a synergistic combination for controlling calcium and phosphate calculation incrustations

Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20021004