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AU6504974A - Treatment of water to prevent the deposition of scale - Google Patents

Treatment of water to prevent the deposition of scale

Info

Publication number
AU6504974A
AU6504974A AU65049/74A AU6504974A AU6504974A AU 6504974 A AU6504974 A AU 6504974A AU 65049/74 A AU65049/74 A AU 65049/74A AU 6504974 A AU6504974 A AU 6504974A AU 6504974 A AU6504974 A AU 6504974A
Authority
AU
Australia
Prior art keywords
deposition
scale
treatment
prevent
water
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
AU65049/74A
Other versions
AU479241B2 (en
Inventor
IVOR JONES GEOFFREY GRAHAM and MICHAEL ANTHONY FINAN THOMAS
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.)
Ciba Geigy UK Ltd
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of AU6504974A publication Critical patent/AU6504974A/en
Application granted granted Critical
Publication of AU479241B2 publication Critical patent/AU479241B2/en
Expired legal-status Critical Current

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
    • C23F11/173Macromolecular compounds
    • 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F22/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
    • C08F22/04Anhydrides, e.g. cyclic anhydrides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/44Preparation of metal salts or ammonium salts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/04Anhydrides, e.g. cyclic anhydrides
    • C08F222/06Maleic anhydride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
AU65049/74A 1973-02-14 1974-01-31 Treatment of water to prevent the deposition of scale Expired AU479241B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB7181/73 1973-02-14
GB718173A GB1414918A (en) 1973-02-14 1973-02-14 Treatment of water to prevent the deposition of scale

Publications (2)

Publication Number Publication Date
AU6504974A true AU6504974A (en) 1975-07-31
AU479241B2 AU479241B2 (en) 1976-07-31

Family

ID=

Also Published As

Publication number Publication date
IT1009636B (en) 1976-12-20
IL44110A0 (en) 1974-05-16
DK146185C (en) 1983-12-12
NL7401903A (en) 1974-08-16
IL44110A (en) 1976-09-30
CY1000A (en) 1979-08-02
SU730293A3 (en) 1980-04-25
BE810967A (en) 1974-08-13
EG11050A (en) 1976-12-31
HK26679A (en) 1979-05-04
FR2217274B1 (en) 1977-06-10
GB1414918A (en) 1975-11-19
DE2405192A1 (en) 1974-08-29
MTP759B (en) 1975-05-27
ZA74949B (en) 1975-01-29
NL181865B (en) 1987-06-16
DE2405192C2 (en) 1986-04-24
SE397954B (en) 1977-11-28
BR7401045D0 (en) 1974-11-05
AR201367A1 (en) 1975-03-07
PL88620B1 (en) 1976-09-30
DK146185B (en) 1983-07-18
CA1019476A (en) 1977-10-18
NL181865C (en) 1987-11-16
FR2217274A1 (en) 1974-09-06
JPS5429998B2 (en) 1979-09-27
JPS5035065A (en) 1975-04-03

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