BR7401045D0 - Processo para tratamento de agua - Google Patents

Processo para tratamento de agua

Info

Publication number
BR7401045D0
BR7401045D0 BR741045A BR104574A BR7401045D0 BR 7401045 D0 BR7401045 D0 BR 7401045D0 BR 741045 A BR741045 A BR 741045A BR 104574 A BR104574 A BR 104574A BR 7401045 D0 BR7401045 D0 BR 7401045D0
Authority
BR
Brazil
Prior art keywords
water treatment
treatment process
water
treatment
Prior art date
Application number
BR741045A
Other languages
English (en)
Portuguese (pt)
Inventor
M Finan
T Jones
G Graham
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 BR7401045D0 publication Critical patent/BR7401045D0/pt

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
    • 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
    • C23F11/10—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 using organic inhibitors
    • C23F11/173—Macromolecular compounds
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F22/00—Homopolymers 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
    • C08F22/04—Anhydrides, e.g. cyclic anhydrides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/44—Preparation of metal salts or ammonium salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—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
    • C08F222/04—Anhydrides, e.g. cyclic anhydrides
    • C08F222/06—Maleic anhydride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
BR741045A 1973-02-14 1974-02-13 Processo para tratamento de agua BR7401045D0 (pt)

Applications Claiming Priority (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
BR7401045D0 true BR7401045D0 (pt) 1974-11-05

Family

ID=9828171

Family Applications (1)

Application Number Title Priority Date Filing Date
BR741045A BR7401045D0 (pt) 1973-02-14 1974-02-13 Processo para tratamento de agua

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) ZA74949B (fr)

Families Citing this family (48)

* 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
JPS5363201A (en) * 1976-11-19 1978-06-06 Kouriyuu Kougiyou Kk Dust collecting method of exhaust gas of rotary furnace
JPS6057918B2 (ja) * 1977-01-31 1985-12-17 甲竜工業株式会社 海水の淡水化方法
US4223120A (en) 1977-03-23 1980-09-16 Pfizer Inc. Terpolymers of maleic anhydride and their use as scale control agents
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, 6000 Frankfurt 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., Widnes, Cheshire 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
JPS5926609U (ja) * 1982-08-12 1984-02-18 長田電機工業株式会社 歯科治療器具
FR2536383A1 (fr) * 1982-11-24 1984-05-25 Elf Aquitaine Procede et produit pour l'empechement de l'entartrage par des eaux
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
CA1224999A (fr) * 1983-02-16 1987-08-04 Dionisio G. Cuisia Composition et methode de prevention de l'entartrage
JPS60134092A (ja) * 1983-12-20 1985-07-17 タイホ−工業株式会社 クラフトパルプ製造工程における蒸解釜内のスケール付着防止方法
US4859752A (en) * 1987-09-11 1989-08-22 S. C. Johnson & Son, Inc. Alkene/excess maleic anhydride polymer manufacture
US4871823A (en) 1987-09-11 1989-10-03 S. C. Johnson & Son, Inc. 1-Alkene/excess maleic anhydride polymers
US4828713A (en) * 1988-03-15 1989-05-09 Betz Laboratories, Inc. Boiler water treatment
US4931206A (en) * 1988-03-15 1990-06-05 Betz Laboratories, Inc. Boiler water treatment composition
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
US5290469A (en) * 1991-07-23 1994-03-01 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5290468A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications
US5290467A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive 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
US5320771A (en) * 1991-07-23 1994-06-14 Basf Corp. Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting 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
CN113651436B (zh) * 2021-08-25 2023-01-31 河北省科学院能源研究所 一种无磷非氮型阻垢分散剂及其制备方法和应用
CN113621424A (zh) * 2021-09-10 2021-11-09 湖南金裕环保科技有限公司 一种天泵、地泵润管剂或润泵剂及其制备方法

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 (de) * 1964-05-30 1973-11-15 Hoechst Ag Verfahren zur Herstellung von Styrol-Maleinsaeureanhydrid-Telomerisaten
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
SE397954B (sv) 1977-11-28
IL44110A (en) 1976-09-30
DK146185C (da) 1983-12-12
BE810967A (fr) 1974-08-13
HK26679A (en) 1979-05-04
DK146185B (da) 1983-07-18
PL88620B1 (fr) 1976-09-30
CY1000A (en) 1979-08-02
JPS5035065A (fr) 1975-04-03
NL181865C (nl) 1987-11-16
MTP759B (en) 1975-05-27
EG11050A (en) 1976-12-31
DE2405192A1 (de) 1974-08-29
DE2405192C2 (de) 1986-04-24
ZA74949B (en) 1975-01-29
IT1009636B (it) 1976-12-20
FR2217274A1 (fr) 1974-09-06
NL7401903A (fr) 1974-08-16
JPS5429998B2 (fr) 1979-09-27
SU730293A3 (ru) 1980-04-25
NL181865B (nl) 1987-06-16
GB1414918A (en) 1975-11-19
CA1019476A (fr) 1977-10-18
FR2217274B1 (fr) 1977-06-10
AU6504974A (en) 1975-07-31
IL44110A0 (en) 1974-05-16
AR201367A1 (es) 1975-03-07

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