ZA897165B - Treatment of aqueous systems - Google Patents
Treatment of aqueous systemsInfo
- Publication number
- ZA897165B ZA897165B ZA897165A ZA897165A ZA897165B ZA 897165 B ZA897165 B ZA 897165B ZA 897165 A ZA897165 A ZA 897165A ZA 897165 A ZA897165 A ZA 897165A ZA 897165 B ZA897165 B ZA 897165B
- Authority
- ZA
- South Africa
- Prior art keywords
- treatment
- aqueous systems
- aqueous
- systems
- Prior art date
Links
Classifications
-
- 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
- C02F5/12—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 containing nitrogen
-
- 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
- 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
- C02F5/105—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 combined with inorganic substances
-
- 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
- C02F5/14—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 containing phosphorus
-
- 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
- C02F5/14—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 containing phosphorus
- C02F5/145—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 containing phosphorus combined with inorganic substances
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888822149A GB8822149D0 (en) | 1988-09-21 | 1988-09-21 | Treatment of aqueous systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA897165B true ZA897165B (en) | 1990-07-25 |
Family
ID=10643977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA897165A ZA897165B (en) | 1988-09-21 | 1989-09-20 | Treatment of aqueous systems |
Country Status (11)
Country | Link |
---|---|
US (1) | US4973409A (ja) |
EP (1) | EP0360745B1 (ja) |
JP (1) | JP2942991B2 (ja) |
CN (1) | CN1041341A (ja) |
AU (1) | AU624419B2 (ja) |
BR (1) | BR8904734A (ja) |
CA (1) | CA1337324C (ja) |
DE (1) | DE68913638T2 (ja) |
ES (1) | ES2052064T3 (ja) |
GB (1) | GB8822149D0 (ja) |
ZA (1) | ZA897165B (ja) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5382367A (en) * | 1987-08-07 | 1995-01-17 | Zinkan Enterprises Co. | Method of treating cooling water systems |
US5629396A (en) * | 1989-01-17 | 1997-05-13 | The Dow Chemical Company | Latex containing oxazoline for industrial coatings |
US5135661A (en) * | 1989-03-21 | 1992-08-04 | Suresh Patel | Process for treating water or aqueous systems |
US5034155A (en) * | 1990-02-06 | 1991-07-23 | Jamestown Chemical Company, Inc. | Cooling water treatment composition |
US5164109A (en) * | 1990-05-31 | 1992-11-17 | Olin Corporation | Algicidally enhanced calcium hypochlorite compositions |
US5271862A (en) * | 1991-07-12 | 1993-12-21 | Betz Laboratories, Inc. | Inhibition of silica and silicate deposition in cooling water systems |
US5158685A (en) * | 1991-07-12 | 1992-10-27 | Betz Laboratories, Inc. | Inhibition of silica and silicate deposition in cooling water systems |
AU697507B2 (en) * | 1993-01-26 | 1998-10-08 | National Starch And Chemical Investment Holding Corporation | Multifunctional maleate polymers |
US5866012A (en) * | 1993-01-26 | 1999-02-02 | National Starch And Chemical Investment Holding Corporation | Multifunctional maleate polymers |
EP0608845B1 (en) * | 1993-01-26 | 2003-07-02 | National Starch and Chemical Investment Holding Corporation | Multifunctional maleate polymers |
US5800732A (en) * | 1997-02-07 | 1998-09-01 | Diversey Lever, Inc. | All-in-one treatment agent for cooling water |
US6183649B1 (en) | 1998-10-07 | 2001-02-06 | Michael W. Fontana | Method for treating water circulating systems |
US6299622B1 (en) | 1999-08-19 | 2001-10-09 | Fox Hollow Technologies, Inc. | Atherectomy catheter with aligned imager |
US8328829B2 (en) | 1999-08-19 | 2012-12-11 | Covidien Lp | High capacity debulking catheter with razor edge cutting window |
US7887556B2 (en) * | 2000-12-20 | 2011-02-15 | Fox Hollow Technologies, Inc. | Debulking catheters and methods |
US7713279B2 (en) | 2000-12-20 | 2010-05-11 | Fox Hollow Technologies, Inc. | Method and devices for cutting tissue |
US7708749B2 (en) | 2000-12-20 | 2010-05-04 | Fox Hollow Technologies, Inc. | Debulking catheters and methods |
ATE499054T1 (de) | 2000-12-20 | 2011-03-15 | Fox Hollow Technologies Inc | Verkleinerungskatheter |
CA2398934A1 (en) * | 2001-09-04 | 2003-03-04 | William M. Hann | Inhibiting metallic corrosion in aqueous systems |
CA2398425A1 (en) * | 2001-09-04 | 2003-03-04 | Rohm And Haas Company | Process for inhibiting metallic corrosion in aqueous systems |
CA2398423C (en) | 2001-09-04 | 2009-11-10 | Rohm And Haas Company | Corrosion inhibiting compositions |
US8246640B2 (en) | 2003-04-22 | 2012-08-21 | Tyco Healthcare Group Lp | Methods and devices for cutting tissue at a vascular location |
JP4711633B2 (ja) * | 2003-06-17 | 2011-06-29 | ローム アンド ハース カンパニー | ポリマー組成物およびポリマーの調製法 |
JP4025735B2 (ja) * | 2003-08-21 | 2007-12-26 | ローム アンド ハース カンパニー | 水性系を処理する方法 |
JP2005068125A (ja) * | 2003-08-21 | 2005-03-17 | Rohm & Haas Co | 殺生物剤配合物の調製方法 |
US7160970B2 (en) * | 2003-11-17 | 2007-01-09 | Rohm And Haas Company | Process for manufacturing polymers |
US8252200B2 (en) * | 2005-12-01 | 2012-08-28 | Arch Chemicals, Inc. | Coated calcium hypochlorite composition |
US20070276419A1 (en) | 2006-05-26 | 2007-11-29 | Fox Hollow Technologies, Inc. | Methods and devices for rotating an active element and an energy emitter on a catheter |
US7927510B2 (en) * | 2007-04-20 | 2011-04-19 | Arch Chemicals, Inc. | Calcium hypochlorite compositions comprising zinc salts and lime |
US8372291B2 (en) * | 2007-04-20 | 2013-02-12 | Arch Chemicals, Inc. | Calcium hypochlorite compositions comprising zinc salts and lime |
US8784440B2 (en) | 2008-02-25 | 2014-07-22 | Covidien Lp | Methods and devices for cutting tissue |
US8980101B2 (en) * | 2008-09-04 | 2015-03-17 | Nalco Company | Method for inhibiting scale formation and deposition in membrane systems via the use of an AA-AMPS copolymer |
EP2358282B1 (en) | 2008-10-13 | 2017-12-06 | Covidien LP | Devices for manipulating a catheter shaft |
EP2421800B1 (en) * | 2009-04-21 | 2019-08-28 | Ecolab USA Inc. | Methods and apparatus for controlling water hardness |
ES2532407T3 (es) | 2009-04-29 | 2015-03-26 | Covidien Lp | Dispositivos para cortar y raspar tejido |
KR101323514B1 (ko) | 2009-05-14 | 2013-10-29 | 코비디엔 엘피 | 세척이 용이한 죽상반 절제 카테터 및 사용 방법 |
CA2781046C (en) | 2009-12-02 | 2014-09-16 | Tyco Healthcare Group Lp | Methods and devices for cutting tissue |
AU2010328078B2 (en) | 2009-12-11 | 2013-07-04 | Covidien Lp | Material removal device having improved material capture efficiency and methods of use |
US8828273B2 (en) * | 2010-05-28 | 2014-09-09 | Chemtreat, Inc. | Additive formulation for industrial cooling systems |
CN101875514B (zh) * | 2010-06-13 | 2012-02-08 | 北京国华电力有限责任公司 | 一种低温多效蒸馏海水淡化装置的阻垢剂及其制备方法 |
JP5690928B2 (ja) | 2010-06-14 | 2015-03-25 | コヴィディエン リミテッド パートナーシップ | 物質除去デバイス |
JP5636114B2 (ja) | 2010-10-28 | 2014-12-03 | コヴィディエン リミテッド パートナーシップ | 物質除去デバイスおよび使用方法 |
RU2553930C2 (ru) | 2010-11-11 | 2015-06-20 | Ковидиен Лп | Гибкие фрагментирующие катетеры с визуализацией и способы их использования и изготовления |
US9193610B2 (en) | 2011-08-10 | 2015-11-24 | Ecolab USA, Inc. | Synergistic interaction of weak cation exchange resin and magnesium oxide |
JP5806407B2 (ja) | 2011-09-01 | 2015-11-10 | コヴィディエン リミテッド パートナーシップ | 螺旋駆動軸を有するカテーテルおよび製造方法 |
US9532844B2 (en) | 2012-09-13 | 2017-01-03 | Covidien Lp | Cleaning device for medical instrument and method of use |
US9943329B2 (en) | 2012-11-08 | 2018-04-17 | Covidien Lp | Tissue-removing catheter with rotatable cutter |
JP6146075B2 (ja) | 2013-03-22 | 2017-06-14 | 栗田工業株式会社 | スケール防止方法及びスケール防止剤 |
CN104513999B (zh) * | 2013-09-26 | 2018-02-13 | 中国石油化工股份有限公司 | 缓蚀剂用组合物及其应用以及对设备进行酸洗的方法 |
WO2015200702A1 (en) | 2014-06-27 | 2015-12-30 | Covidien Lp | Cleaning device for catheter and catheter including the same |
US10314667B2 (en) | 2015-03-25 | 2019-06-11 | Covidien Lp | Cleaning device for cleaning medical instrument |
US10196509B2 (en) * | 2015-05-07 | 2019-02-05 | Baker Hughes, A Ge Company, Llc | Inhibiting fouling tendency in high coal ash-containing water systems |
US10292721B2 (en) | 2015-07-20 | 2019-05-21 | Covidien Lp | Tissue-removing catheter including movable distal tip |
US10314664B2 (en) | 2015-10-07 | 2019-06-11 | Covidien Lp | Tissue-removing catheter and tissue-removing element with depth stop |
CN109987740A (zh) * | 2019-01-29 | 2019-07-09 | 厦门稀土材料研究所 | 沉淀工业废水中钙镁的方法 |
CN112709068B (zh) * | 2020-12-29 | 2023-01-06 | 陕西创源石油科技有限公司 | 一种石油化工废水处理用复合材料及其制备方法 |
Family Cites Families (11)
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 |
US3617577A (en) * | 1969-08-27 | 1971-11-02 | Monsanto Co | Method of inhibiting scale formation |
US3715307A (en) * | 1971-06-24 | 1973-02-06 | Economics Lab | Treatment of water used in heat transfer equipment |
US3755264A (en) * | 1971-07-30 | 1973-08-28 | Amicon Corp | Maleic anhydride copolymers and method of making |
GB1414918A (en) * | 1973-02-14 | 1975-11-19 | Ciba Geigy Uk Ltd | Treatment of water to prevent the deposition of scale |
US4126549A (en) * | 1973-02-14 | 1978-11-21 | Ciba-Geigy (Uk) Limited | Treatment of water |
US4223120A (en) * | 1977-03-23 | 1980-09-16 | Pfizer Inc. | Terpolymers of maleic anhydride and their use as scale control agents |
DE3071237D1 (en) * | 1979-12-28 | 1985-12-19 | Pfizer | Use of fumaric acid polymers as antiscalants, and processes for their preparation; polymeric intermediates of mono or dialkyl fumarate, and processes for their production |
US4374733A (en) * | 1981-04-01 | 1983-02-22 | Betz Laboratories, Inc. | Method for treating aqueous mediums |
JPS5881494A (ja) * | 1981-11-11 | 1983-05-16 | Toagosei Chem Ind Co Ltd | 水処理剤組成物 |
DE3700535A1 (de) * | 1987-01-10 | 1988-07-21 | Basf Ag | Verfahren zur herstellung von wasserloeslichen copoylmerisaten der maleinsaeure und deren verwendung als wasserbehandlungsmittel |
-
1988
- 1988-09-21 GB GB888822149A patent/GB8822149D0/en active Pending
-
1989
- 1989-09-12 ES ES89810679T patent/ES2052064T3/es not_active Expired - Lifetime
- 1989-09-12 EP EP89810679A patent/EP0360745B1/en not_active Revoked
- 1989-09-12 DE DE68913638T patent/DE68913638T2/de not_active Revoked
- 1989-09-18 US US07/408,859 patent/US4973409A/en not_active Expired - Lifetime
- 1989-09-19 CA CA000611898A patent/CA1337324C/en not_active Expired - Fee Related
- 1989-09-20 CN CN89107391A patent/CN1041341A/zh active Pending
- 1989-09-20 ZA ZA897165A patent/ZA897165B/xx unknown
- 1989-09-20 BR BR898904734A patent/BR8904734A/pt unknown
- 1989-09-21 JP JP1246254A patent/JP2942991B2/ja not_active Expired - Lifetime
- 1989-09-21 AU AU41717/89A patent/AU624419B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JPH02115384A (ja) | 1990-04-27 |
AU4171789A (en) | 1990-03-29 |
ES2052064T3 (es) | 1994-07-01 |
CN1041341A (zh) | 1990-04-18 |
EP0360745A1 (en) | 1990-03-28 |
AU624419B2 (en) | 1992-06-11 |
DE68913638D1 (de) | 1994-04-14 |
CA1337324C (en) | 1995-10-17 |
BR8904734A (pt) | 1990-05-01 |
EP0360745B1 (en) | 1994-03-09 |
JP2942991B2 (ja) | 1999-08-30 |
US4973409A (en) | 1990-11-27 |
DE68913638T2 (de) | 1994-08-18 |
GB8822149D0 (en) | 1988-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA897165B (en) | Treatment of aqueous systems | |
GB2241945B (en) | Composition for the treatment of aqueous systems | |
EP0350279A3 (en) | Treatment of water | |
GB2105319B (en) | Treatment of aqueous systems | |
GB2223959B (en) | Treatment of nitrophenolic by-products | |
GB8718495D0 (en) | Treating aqueous fluids | |
AR243138A1 (es) | Procedimiento para el tratamiento de un efluente acuoso. | |
AU617187B2 (en) | Treatment of aqueous dispersions | |
GB8629150D0 (en) | Treatment of aqueous material | |
GB8623464D0 (en) | Treatment of aqueous systems | |
GB8821232D0 (en) | Water treatment system | |
GB2118159B (en) | The treatment of aqueous systems | |
GB2218973B (en) | Water treatment system | |
GB8921818D0 (en) | Treatment of carbohydrates | |
GB9025126D0 (en) | Treatment of dilute acidic solutions | |
SG157594G (en) | Beta-bromo-beta-nitrostyrene preserving aqueous systems | |
JPS57174194A (en) | Treatment of aqueous system | |
EP0412938A3 (en) | System for the treatment of contactlenses | |
ZA872662B (en) | Control of corrosion in aqueous systems | |
GB8724622D0 (en) | Treating aqueous solution | |
GB8424353D0 (en) | Treatment of aqueous | |
ZA899215B (en) | Treatment of water | |
GB8813970D0 (en) | Catheter systems | |
GB8809266D0 (en) | Treatment | |
IE883485L (en) | Treatment of fibromyalgia |