IT1009636B - Trattamento di acqua - Google Patents
Trattamento di acquaInfo
- Publication number
- IT1009636B IT1009636B IT7420420A IT2042074A IT1009636B IT 1009636 B IT1009636 B IT 1009636B IT 7420420 A IT7420420 A IT 7420420A IT 2042074 A IT2042074 A IT 2042074A IT 1009636 B IT1009636 B IT 1009636B
- Authority
- IT
- Italy
- Prior art keywords
- water treatment
- treatment
- water
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (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)
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 |
---|---|
IT1009636B true IT1009636B (it) | 1976-12-20 |
Family
ID=9828171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7420420A IT1009636B (it) | 1973-02-14 | 1974-02-11 | Trattamento di acqua |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS5429998B2 (de) |
AR (1) | AR201367A1 (de) |
BE (1) | BE810967A (de) |
BR (1) | BR7401045D0 (de) |
CA (1) | CA1019476A (de) |
CY (1) | CY1000A (de) |
DE (1) | DE2405192C2 (de) |
DK (1) | DK146185C (de) |
EG (1) | EG11050A (de) |
FR (1) | FR2217274B1 (de) |
GB (1) | GB1414918A (de) |
HK (1) | HK26679A (de) |
IL (1) | IL44110A (de) |
IT (1) | IT1009636B (de) |
MT (1) | MTP759B (de) |
NL (1) | NL181865C (de) |
PL (1) | PL88620B1 (de) |
SE (1) | SE397954B (de) |
SU (1) | SU730293A3 (de) |
ZA (1) | ZA74949B (de) |
Families Citing this family (48)
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 (en) * | 1978-06-15 | 1981-12-22 | Chih M. Hwa | Sludge conditioning composition for scale inhibition in water |
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 |
US4547559A (en) * | 1981-02-09 | 1985-10-15 | Pfizer Inc. | Acrylate/maleate copolymers, their preparation and use as antiscalants |
US4390670A (en) | 1981-02-09 | 1983-06-28 | 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 (de) * | 1982-03-11 | 1986-06-11 | Calgon Corporation | Mittel zur Verhinderung von Ablagerungen aus Calciumcarbonat, Magnesiumhydroxid und Calciumsulfat-Hemihydrat |
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 (en) * | 1983-02-16 | 1987-08-04 | Dionisio G. Cuisia | Composition and method for inhibiting scale |
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 |
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 |
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 |
US4931206A (en) * | 1988-03-15 | 1990-06-05 | Betz Laboratories, Inc. | Boiler water treatment composition |
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 |
US5320771A (en) * | 1991-07-23 | 1994-06-14 | Basf Corp. | Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting 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 |
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 |
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)
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 |
-
1973
- 1973-02-14 GB GB718173A patent/GB1414918A/en not_active Expired
-
1974
- 1974-01-29 IL IL44110A patent/IL44110A/en unknown
- 1974-01-31 SE SE7401266A patent/SE397954B/xx not_active IP Right Cessation
- 1974-02-04 CY CY1000A patent/CY1000A/xx unknown
- 1974-02-04 DE DE2405192A patent/DE2405192C2/de not_active Expired
- 1974-02-07 CA CA191,990A patent/CA1019476A/en not_active Expired
- 1974-02-09 EG EG36/74A patent/EG11050A/xx active
- 1974-02-11 IT IT7420420A patent/IT1009636B/it active
- 1974-02-12 NL NLAANVRAGE7401903,A patent/NL181865C/xx not_active IP Right Cessation
- 1974-02-12 PL PL1974168764A patent/PL88620B1/pl unknown
- 1974-02-12 AR AR252314A patent/AR201367A1/es active
- 1974-02-13 ZA ZA00740949A patent/ZA74949B/xx unknown
- 1974-02-13 JP JP1809874A patent/JPS5429998B2/ja not_active Expired
- 1974-02-13 BE BE140853A patent/BE810967A/xx not_active IP Right Cessation
- 1974-02-13 FR FR7404864A patent/FR2217274B1/fr not_active Expired
- 1974-02-13 MT MT759A patent/MTP759B/xx unknown
- 1974-02-13 DK DK75474A patent/DK146185C/da active
- 1974-02-13 SU SU741995597A patent/SU730293A3/ru active
- 1974-02-13 BR BR741045A patent/BR7401045D0/pt unknown
-
1979
- 1979-04-26 HK HK266/79A patent/HK26679A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BR7401045D0 (pt) | 1974-11-05 |
PL88620B1 (de) | 1976-09-30 |
JPS5035065A (de) | 1975-04-03 |
FR2217274A1 (de) | 1974-09-06 |
DE2405192C2 (de) | 1986-04-24 |
AU6504974A (en) | 1975-07-31 |
EG11050A (en) | 1976-12-31 |
CY1000A (en) | 1979-08-02 |
FR2217274B1 (de) | 1977-06-10 |
HK26679A (en) | 1979-05-04 |
SE397954B (sv) | 1977-11-28 |
IL44110A0 (en) | 1974-05-16 |
NL181865C (nl) | 1987-11-16 |
BE810967A (fr) | 1974-08-13 |
JPS5429998B2 (de) | 1979-09-27 |
NL181865B (nl) | 1987-06-16 |
DK146185C (da) | 1983-12-12 |
GB1414918A (en) | 1975-11-19 |
MTP759B (en) | 1975-05-27 |
IL44110A (en) | 1976-09-30 |
AR201367A1 (es) | 1975-03-07 |
ZA74949B (en) | 1975-01-29 |
DE2405192A1 (de) | 1974-08-29 |
SU730293A3 (ru) | 1980-04-25 |
CA1019476A (en) | 1977-10-18 |
DK146185B (da) | 1983-07-18 |
NL7401903A (de) | 1974-08-16 |
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