BE810967A - Traitement de l'eau - Google Patents

Traitement de l'eau

Info

Publication number
BE810967A
BE810967A BE140853A BE140853A BE810967A BE 810967 A BE810967 A BE 810967A BE 140853 A BE140853 A BE 140853A BE 140853 A BE140853 A BE 140853A BE 810967 A BE810967 A BE 810967A
Authority
BE
Belgium
Prior art keywords
water treatment
treatment
water
Prior art date
Application number
BE140853A
Other languages
English (en)
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 to GB718173A priority Critical patent/GB1414918A/en
Application filed filed Critical
Publication of BE810967A publication Critical patent/BE810967A/fr

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
    • 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
BE140853A 1973-02-14 1974-02-13 Traitement de l'eau BE810967A (fr)

Priority Applications (1)

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

Publications (1)

Publication Number Publication Date
BE810967A true BE810967A (fr) 1974-08-13

Family

ID=9828171

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140853A BE810967A (fr) 1973-02-14 1974-02-13 Traitement de l'eau

Country Status (20)

Country Link
JP (1) JPS5429998B2 (fr)
AR (1) AR201367A1 (fr)
BE (1) BE810967A (fr)
BR (1) BR7401045D0 (fr)
CA (1) CA1019476A (fr)
CY (1) CY1000A (fr)
DE (1) DE2405192C2 (fr)
DK (1) DK146185C (fr)
EG (1) EG11050A (fr)
FR (1) FR2217274B1 (fr)
GB (1) GB1414918A (fr)
HK (1) HK26679A (fr)
IL (1) IL44110A (fr)
IT (1) IT1009636B (fr)
MT (1) MTP759B (fr)
NL (1) NL181865C (fr)
PL (1) PL88620B1 (fr)
SE (1) SE397954B (fr)
SU (1) SU730293A3 (fr)
ZA (1) ZA7400949B (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126549A (en) * 1973-02-14 1978-11-21 Ciba-Geigy (Uk) Limited Treatment of water
US4086146A (en) * 1975-11-12 1978-04-25 W. R. Grace & Co. Water treating process
JPS5277804A (en) * 1975-12-24 1977-06-30 Kurita Water Ind Ltd Process for collecting dust from waste gases of blast furnace or conve rter
US4168230A (en) * 1976-11-10 1979-09-18 Nalco Chemical Company Synergistic composition comprising phosphorylated ethoxylated glycerine and polyacrylic acid for the prevention of CaCO3 scale in cooling water
JPS5634609B2 (fr) * 1976-11-19 1981-08-11
JPS6057918B2 (fr) * 1977-01-31 1985-12-17 Koryu Kogyo Kk
US4065607A (en) * 1977-03-23 1977-12-27 Pfizer Inc. Terpolymers of maleic anhydride and their use as scale control agents
FR2420412A1 (en) * 1978-03-21 1979-10-19 Demler Sa Ets Moulding machine for mfg. prefabricated building elements - has vibrators mounted on dampers to reduce noise and sound insulating casing
CA1114978A (fr) * 1978-06-15 1981-12-22 Chih M. Hwa Composition et methode de traitement pour la prevention de la formation du tartre
US4253968A (en) * 1979-08-17 1981-03-03 Hercules Incorporated Process of inhibiting precipitation of calcium salts utilizing a copolymer of allyl monomers and maleic anhydride
DE2938429A1 (de) * 1979-09-22 1981-04-09 Hoechst Ag Waessrige loesung oder dispersion eines styrol/maleinsaeureanhydrid-copolymers, verfahren zu ihrer herstelung und ihre verwendung
US4279768A (en) * 1980-02-04 1981-07-21 Fremont Industries, Inc. Service descaler for aqueous systems
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
US4390670A (en) * 1981-02-09 1983-06-28 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4547559A (en) * 1981-02-09 1985-10-15 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
DE3230291A1 (de) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen
FR2514746B1 (fr) * 1981-10-20 1985-05-31 Coatex Sa Agent inhibiteur d'incrustations et de precipitation pour le traitement des eaux industrielles et/ou domestiques
AU555892B2 (en) * 1981-11-05 1986-10-16 Nalco Chemical Company Carboxylate polymers for internal scale control agents in boiler systems
EP0089189B1 (fr) * 1982-03-11 1986-06-11 Calgon Corporation Inhibiteur d'incrustations de carbonate de calcium d'hydroxyde de magnésium et de hémihydrate du sulfate de calcium
DK65983A (da) * 1982-03-25 1983-09-26 Pfizer Fremgangsmaade til forebyggelse af stenagtige aflejringer i vand
JPS6122577Y2 (fr) * 1982-08-12 1986-07-07
FR2536383B1 (fr) * 1982-11-24 1985-03-29 Elf Aquitaine
CA1224999A (fr) * 1983-02-16 1987-08-04 Dionisio G. Cuisia Composition et methode de prevention de l'entartrage
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
JPH0253551B2 (fr) * 1983-12-20 1990-11-19 Taiho Kogyo Co Ltd
US4871823A (en) 1987-09-11 1989-10-03 S. C. Johnson & Son, Inc. 1-Alkene/excess maleic anhydride polymers
US4859752A (en) * 1987-09-11 1989-08-22 S. C. Johnson & Son, Inc. Alkene/excess maleic anhydride polymer manufacture
US4931206A (en) * 1988-03-15 1990-06-05 Betz Laboratories, Inc. Boiler water treatment composition
US4828713A (en) * 1988-03-15 1989-05-09 Betz Laboratories, Inc. Boiler water treatment
US4952324A (en) * 1988-03-15 1990-08-28 Betz Laboratories, Inc. Boiler water treatment
GB8822149D0 (en) * 1988-09-21 1988-10-26 Ciba Geigy Ag Treatment of aqueous systems
GB8829830D0 (en) * 1988-12-21 1989-02-15 Ciba Geigy Ag Method for treating water
US5135661A (en) * 1989-03-21 1992-08-04 Suresh Patel Process for treating water or aqueous systems
GB8911569D0 (en) * 1989-05-19 1989-07-05 Ciba Geigy Ag Antifreeze compositions
US4937002A (en) * 1989-06-12 1990-06-26 National Starch And Chemical Investment Holding Corporation Interpolymers for barium sulphate inhibition
US5320771A (en) * 1991-07-23 1994-06-14 Basf Corp. Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting aluminum
US5290468A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications
US5290469A (en) * 1991-07-23 1994-03-01 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5288419A (en) * 1991-07-23 1994-02-22 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5290467A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for resisting cavitation erosion-corrosion on aluminum
GB9204409D0 (en) * 1992-02-29 1992-04-15 Ciba Geigy Ag Determination method
DE4300772C2 (de) * 1993-01-14 1997-03-27 Stockhausen Chem Fab Gmbh Wasserlösliche, biologisch abbaubare Copolymere auf Basis von ungesättigten Mono- und Dicarbonsäuren, Verfahren zu ihrer Herstellung und ihre Verwendung
US5389502A (en) * 1994-02-08 1995-02-14 Eastman Kodak Company Hardening developer for silver halide photography and development method
ES2436026B1 (es) * 2012-06-21 2014-04-28 Ramón BLANCO GÓMEZ Composición para el agua de calderas
CN109095627A (zh) * 2018-07-26 2018-12-28 锐达工业科技(南京)有限公司 一种循环水无磷阻垢剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723956A (en) * 1950-09-26 1955-11-15 Nat Aluminate Corp Boiler scale reduction using a copolymer of maleic anhydride and another monoethylenic compound
GB772775A (en) * 1954-06-04 1957-04-17 Monsanto Chemicals A process for treating hard water
DE1286023C2 (fr) * 1964-05-30 1973-11-15
GB1292120A (en) * 1968-12-10 1972-10-11 Economics Lab Detergent compositions
US3617577A (en) * 1969-08-27 1971-11-02 Monsanto Co Method of inhibiting scale formation
GB1369429A (en) * 1970-11-30 1974-10-09 Ciba Geigy Ag Treatment of water or aqueous systems
US3715307A (en) * 1971-06-24 1973-02-06 Economics Lab Treatment of water used in heat transfer equipment

Also Published As

Publication number Publication date
IT1009636B (it) 1976-12-20
AR201367A1 (es) 1975-03-07
BE810967A1 (fr)
FR2217274A1 (fr) 1974-09-06
CY1000A (en) 1979-08-02
ZA7400949B (en) 1975-01-29
NL181865C (en) 1987-11-16
BR7401045D0 (pt) 1974-11-05
PL88620B1 (fr) 1976-09-30
GB1414918A (en) 1975-11-19
MTP759B (en) 1975-05-27
JPS5429998B2 (fr) 1979-09-27
FR2217274B1 (fr) 1977-06-10
DE2405192C2 (fr) 1986-04-24
HK26679A (en) 1979-05-04
JPS5035065A (fr) 1975-04-03
DK146185B (da) 1983-07-18
EG11050A (en) 1976-12-31
IL44110D0 (en) 1974-05-16
CA1019476A1 (fr)
DE2405192A1 (de) 1974-08-29
CA1019476A (fr) 1977-10-18
IL44110A (en) 1976-09-30
AU6504974A (en) 1975-07-31
DK146185C (da) 1983-12-12
SE397954B (sv) 1977-11-28
NL7401903A (fr) 1974-08-16
NL181865B (en) 1987-06-16
SU730293A3 (ru) 1980-04-25

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CIBA-GEIGY A.G.

Effective date: 19940213