IL44110A - Process for treatment of water - Google Patents
Process for treatment of waterInfo
- Publication number
- IL44110A IL44110A IL44110A IL4411074A IL44110A IL 44110 A IL44110 A IL 44110A IL 44110 A IL44110 A IL 44110A IL 4411074 A IL4411074 A IL 4411074A IL 44110 A IL44110 A IL 44110A
- Authority
- IL
- Israel
- Prior art keywords
- acid
- copolymer
- water
- vhich
- monomer
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract 8
- 238000000034 method Methods 0.000 title claims 17
- 229920001577 copolymer Polymers 0.000 claims abstract 15
- 239000000178 monomer Substances 0.000 claims abstract 11
- 239000002253 acid Substances 0.000 claims abstract 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract 4
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims abstract 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract 4
- FUSUHKVFWTUUBE-UHFFFAOYSA-N buten-2-one Chemical compound CC(=O)C=C FUSUHKVFWTUUBE-UHFFFAOYSA-N 0.000 claims abstract 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract 4
- -1 alkali metal orthophosphate Chemical class 0.000 claims abstract 3
- 239000000203 mixture Substances 0.000 claims abstract 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims abstract 2
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 claims abstract 2
- 150000002148 esters Chemical class 0.000 claims abstract 2
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 claims abstract 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- 150000008064 anhydrides Chemical class 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 239000002904 solvent Substances 0.000 claims 2
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 claims 1
- 229920006353 Acrylite® Polymers 0.000 claims 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims 1
- 239000004926 polymethyl methacrylate Substances 0.000 claims 1
- YTZKOQUCBOVLHL-UHFFFAOYSA-N tert-butylbenzene Chemical compound CC(C)(C)C1=CC=CC=C1 YTZKOQUCBOVLHL-UHFFFAOYSA-N 0.000 claims 1
- 239000008096 xylene Substances 0.000 claims 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 abstract 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 abstract 2
- 239000003352 sequestering agent Substances 0.000 abstract 2
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 abstract 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 abstract 1
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 abstract 1
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- DUZIMBBFNLBCMV-UHFFFAOYSA-N C(C=C)(=O)OCC.C1(C(=C)CC(=O)O1)=O Chemical compound C(C=C)(=O)OCC.C1(C(=C)CC(=O)O1)=O DUZIMBBFNLBCMV-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 abstract 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 abstract 1
- 229940123973 Oxygen scavenger Drugs 0.000 abstract 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 abstract 1
- 229920002125 Sokalan® Polymers 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- 229940091181 aconitic acid Drugs 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 abstract 1
- 239000001768 carboxy methyl cellulose Substances 0.000 abstract 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 abstract 1
- GTZCVFVGUGFEME-IWQZZHSRSA-N cis-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C\C(O)=O GTZCVFVGUGFEME-IWQZZHSRSA-N 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 150000002191 fatty alcohols Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 229920005610 lignin Polymers 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 abstract 1
- MTPZMWSTPGQBDI-UHFFFAOYSA-N n',n'-dioctadecyldecanediamide Chemical compound CCCCCCCCCCCCCCCCCCN(C(=O)CCCCCCCCC(N)=O)CCCCCCCCCCCCCCCCCC MTPZMWSTPGQBDI-UHFFFAOYSA-N 0.000 abstract 1
- HKUFIYBZNQSHQS-UHFFFAOYSA-N n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC HKUFIYBZNQSHQS-UHFFFAOYSA-N 0.000 abstract 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 abstract 1
- 229920002401 polyacrylamide Polymers 0.000 abstract 1
- 239000004584 polyacrylic acid Substances 0.000 abstract 1
- 229920002239 polyacrylonitrile Polymers 0.000 abstract 1
- 229920001444 polymaleic acid Polymers 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 1
- 235000018553 tannin Nutrition 0.000 abstract 1
- 229920001864 tannin Polymers 0.000 abstract 1
- 239000001648 tannin Substances 0.000 abstract 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 abstract 1
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)
- 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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| IL44110A0 IL44110A0 (en) | 1974-05-16 |
| IL44110A true IL44110A (en) | 1976-09-30 |
Family
ID=9828171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL44110A IL44110A (en) | 1973-02-14 | 1974-01-29 | Process for treatment of water |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS5429998B2 (it) |
| AR (1) | AR201367A1 (it) |
| BE (1) | BE810967A (it) |
| BR (1) | BR7401045D0 (it) |
| CA (1) | CA1019476A (it) |
| CY (1) | CY1000A (it) |
| DE (1) | DE2405192C2 (it) |
| DK (1) | DK146185C (it) |
| EG (1) | EG11050A (it) |
| FR (1) | FR2217274B1 (it) |
| GB (1) | GB1414918A (it) |
| HK (1) | HK26679A (it) |
| IL (1) | IL44110A (it) |
| IT (1) | IT1009636B (it) |
| MT (1) | MTP759B (it) |
| NL (1) | NL181865C (it) |
| PL (1) | PL88620B1 (it) |
| SE (1) | SE397954B (it) |
| SU (1) | SU730293A3 (it) |
| ZA (1) | ZA74949B (it) |
Families Citing this family (47)
| 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 |
| US4065607A (en) * | 1977-03-23 | 1977-12-27 | Pfizer Inc. | Terpolymers of maleic anhydride and their use as scale control agents |
| US4223120A (en) | 1977-03-23 | 1980-09-16 | 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 |
| US4547559A (en) * | 1981-02-09 | 1985-10-15 | Pfizer Inc. | Acrylate/maleate copolymers, their preparation and use as antiscalants |
| 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 |
| 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 (en) * | 1982-03-11 | 1986-06-11 | Calgon Corporation | A calcium carbonate, magnesium hydroxide and calcium sulfate hemihydrate scale inhibitor |
| DK65983A (da) * | 1982-03-25 | 1983-09-26 | Pfizer | Fremgangsmaade til forebyggelse af stenagtige aflejringer i vand |
| FR2536383A1 (fr) * | 1982-11-24 | 1984-05-25 | Elf Aquitaine | Procede et produit pour l'empechement de l'entartrage par des eaux |
| CA1224999A (en) * | 1983-02-16 | 1987-08-04 | Dionisio G. Cuisia | Composition and method for inhibiting scale |
| US4556493A (en) * | 1983-02-16 | 1985-12-03 | Dearborn Chemical Company | 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 |
| 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 |
| 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 |
| 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 |
| 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)
| 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 DE DE2405192A patent/DE2405192C2/de not_active Expired
- 1974-02-04 CY CY1000A patent/CY1000A/xx unknown
- 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 PL PL1974168764A patent/PL88620B1/pl unknown
- 1974-02-12 AR AR252314A patent/AR201367A1/es active
- 1974-02-12 NL NLAANVRAGE7401903,A patent/NL181865C/xx not_active IP Right Cessation
- 1974-02-13 SU SU741995597A patent/SU730293A3/ru active
- 1974-02-13 FR FR7404864A patent/FR2217274B1/fr not_active Expired
- 1974-02-13 JP JP1809874A patent/JPS5429998B2/ja not_active Expired
- 1974-02-13 MT MT759A patent/MTP759B/xx unknown
- 1974-02-13 BR BR741045A patent/BR7401045D0/pt unknown
- 1974-02-13 ZA ZA00740949A patent/ZA74949B/xx unknown
- 1974-02-13 DK DK75474A patent/DK146185C/da active
- 1974-02-13 BE BE140853A patent/BE810967A/xx not_active IP Right Cessation
-
1979
- 1979-04-26 HK HK266/79A patent/HK26679A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA1019476A (en) | 1977-10-18 |
| DE2405192A1 (de) | 1974-08-29 |
| JPS5035065A (it) | 1975-04-03 |
| BR7401045D0 (pt) | 1974-11-05 |
| IL44110A0 (en) | 1974-05-16 |
| EG11050A (en) | 1976-12-31 |
| NL181865B (nl) | 1987-06-16 |
| SE397954B (sv) | 1977-11-28 |
| FR2217274A1 (it) | 1974-09-06 |
| IT1009636B (it) | 1976-12-20 |
| MTP759B (en) | 1975-05-27 |
| DK146185C (da) | 1983-12-12 |
| GB1414918A (en) | 1975-11-19 |
| ZA74949B (en) | 1975-01-29 |
| AR201367A1 (es) | 1975-03-07 |
| SU730293A3 (ru) | 1980-04-25 |
| PL88620B1 (it) | 1976-09-30 |
| NL181865C (nl) | 1987-11-16 |
| FR2217274B1 (it) | 1977-06-10 |
| DE2405192C2 (de) | 1986-04-24 |
| JPS5429998B2 (it) | 1979-09-27 |
| HK26679A (en) | 1979-05-04 |
| AU6504974A (en) | 1975-07-31 |
| NL7401903A (it) | 1974-08-16 |
| BE810967A (fr) | 1974-08-13 |
| DK146185B (da) | 1983-07-18 |
| CY1000A (en) | 1979-08-02 |
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