[go: up one dir, main page]

GB1519512A - Watertreatment process - Google Patents

Watertreatment process

Info

Publication number
GB1519512A
GB1519512A GB2482575A GB2482575A GB1519512A GB 1519512 A GB1519512 A GB 1519512A GB 2482575 A GB2482575 A GB 2482575A GB 2482575 A GB2482575 A GB 2482575A GB 1519512 A GB1519512 A GB 1519512A
Authority
GB
United Kingdom
Prior art keywords
june
evaporator
scale
inhibiting
deposition
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2482575A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB1519512A publication Critical patent/GB1519512A/en
Expired legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB2482575A 1974-06-10 1975-06-10 Watertreatment process Expired GB1519512A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47801374A 1974-06-10 1974-06-10
US48034974A 1974-06-18 1974-06-18

Publications (1)

Publication Number Publication Date
GB1519512A true GB1519512A (en) 1978-07-26

Family

ID=27045757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2482575A Expired GB1519512A (en) 1974-06-10 1975-06-10 Watertreatment process

Country Status (4)

Country Link
ES (1) ES438418A1 (nl)
GB (1) GB1519512A (nl)
IT (1) IT1038850B (nl)
NL (1) NL7506874A (nl)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058073A2 (en) * 1981-02-09 1982-08-18 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
EP0058794A1 (en) * 1981-02-23 1982-09-01 Betz Europe, Inc. Composition and method for treating an aqueous medium
EP0063197A1 (en) * 1981-04-16 1982-10-27 Betz Europe, Inc. Method and composition for treating aqueous mediums
DE3213296A1 (de) * 1981-04-13 1982-12-23 Kao Soap Co., Ltd., Tokyo Copolymerisat auf basis von maleinsaeure, verfahren zu seiner herstellung und dispersion, enthaltend das copolymerisat
EP0109200A1 (en) * 1982-10-28 1984-05-23 Betz Europe, Inc. High calcium tolerant deposit control method
US4547559A (en) * 1981-02-09 1985-10-15 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
EP0184414A2 (en) * 1984-12-03 1986-06-11 Calgon Corporation Compositions for controlling alkaline-earth metal scales
GB2172278A (en) * 1985-03-14 1986-09-17 British Petroleum Co Plc Scale inhibitors
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
EP0254774A1 (en) * 1986-07-30 1988-02-03 Denac N.V. Method for controlling phosphonates tending to precipitate metal ions in water
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
US5164468A (en) * 1990-09-05 1992-11-17 The Standard Oil Company Polymers derived from α, β-unsaturated polycarboxylic acids or anhydrides and n-substituted acrylamides, and use in reducing scale
EP0694324A1 (fr) * 1994-07-29 1996-01-31 Seb S.A. Comprime de vaporisation
WO2017076755A1 (en) * 2015-11-06 2017-05-11 Basf Se Processes for the separation of water from aqueous systems

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1114978A (en) * 1978-06-15 1981-12-22 Chih M. Hwa Sludge conditioning composition for scale inhibition in water

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058073A3 (en) * 1981-02-09 1982-09-08 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
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
EP0058073A2 (en) * 1981-02-09 1982-08-18 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
EP0058794A1 (en) * 1981-02-23 1982-09-01 Betz Europe, Inc. Composition and method for treating an aqueous medium
DE3213296A1 (de) * 1981-04-13 1982-12-23 Kao Soap Co., Ltd., Tokyo Copolymerisat auf basis von maleinsaeure, verfahren zu seiner herstellung und dispersion, enthaltend das copolymerisat
EP0063197A1 (en) * 1981-04-16 1982-10-27 Betz Europe, Inc. Method and composition for treating aqueous mediums
EP0109200A1 (en) * 1982-10-28 1984-05-23 Betz Europe, Inc. High calcium tolerant deposit control method
EP0184414A3 (en) * 1984-12-03 1988-06-08 Calgon Corporation Compositions for controlling alkaline-earth metal scales
EP0184414A2 (en) * 1984-12-03 1986-06-11 Calgon Corporation Compositions for controlling alkaline-earth metal scales
GB2172278A (en) * 1985-03-14 1986-09-17 British Petroleum Co Plc Scale inhibitors
EP0254774A1 (en) * 1986-07-30 1988-02-03 Denac N.V. Method for controlling phosphonates tending to precipitate metal ions in water
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
US5164468A (en) * 1990-09-05 1992-11-17 The Standard Oil Company Polymers derived from α, β-unsaturated polycarboxylic acids or anhydrides and n-substituted acrylamides, and use in reducing scale
EP0694324A1 (fr) * 1994-07-29 1996-01-31 Seb S.A. Comprime de vaporisation
FR2723174A1 (fr) * 1994-07-29 1996-02-02 Seb Sa Comprime de vaporisation
WO2017076755A1 (en) * 2015-11-06 2017-05-11 Basf Se Processes for the separation of water from aqueous systems
CN108348814A (zh) * 2015-11-06 2018-07-31 巴斯夫欧洲公司 从含水体系中分离水的方法
US20180305223A1 (en) * 2015-11-06 2018-10-25 Basf Se New processes for the separation of water from aqueous systems
US10590010B2 (en) 2015-11-06 2020-03-17 Solenis Technologies, L.P. Processes for the separation of water from aqueous systems
CN108348814B (zh) * 2015-11-06 2021-12-31 巴斯夫欧洲公司 从含水体系中分离水的方法

Also Published As

Publication number Publication date
IT1038850B (it) 1979-11-30
ES438418A1 (es) 1977-05-16
NL7506874A (nl) 1975-12-12

Similar Documents

Publication Publication Date Title
GB1519512A (en) Watertreatment process
GB2252322B (en) Phosphonated oligomers and uses thereof
GB1140856A (en) Method and composition for chemically polishing metals
GB1491494A (en) Inhibiting scale
ES8101535A1 (es) Un procedimiento para la preparacion de esteres arilaceticos
GB1372121A (en) Copolymers of fluoroalkyl ethers and maleic anhydride and deriva tives thereof
JPS5522317A (en) Highly oxygen-absorbable, carbon dioxide-producing deoxidizing agent, tips thereof, and producing same
ATE124058T1 (de) Verfahren zur herstellung von kesselstein verhindernden mitteln.
ATE86262T1 (de) Verfahren zur herstellung von copolymerisaten aus ethylenisch ungesaettigten dicarbonsaeureanhydriden und alkylvinylethern.
JPS5461282A (en) Mixed esters of acidic succinate and aliphatic monoacylat of cellulose ether
DE3261136D1 (en) Process for preparing alkanoic acids or esters thereof by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt
ES8102162A1 (es) Procedimiento para preparar un poliester soluble o dispersa-ble en agua
GB1448792A (en) Emulsifiers derived from hydroxycarboxylic acids
GB1350275A (en) Liquid washing and cleaning agents
GB1513168A (en) Bisazomethine metal complex colourants of hydroxy-coumarin derivatives or hydroxy-chromone derivatives and process for their manufacture
ES399105A1 (es) Un procedimiento para preparar una composicion de detergen-te liquido.
JPS5539778A (en) Microbial preparation of carboxylic acid composed mainly of omega,omega-1-dihydroxy acid
GB1384855A (en) 7-ypsilon-substituted propyl-theophylline derivatives and a process for producing the same
JPS56109296A (en) Metal rolling oil
GB1285840A (en) Microbiological oxidation process
JPS5538821A (en) Production of stable copolymer emulsion
ES479009A1 (es) Un procedimiento para la preparacion de esteres naftolicos de acidos carboxilicos alifaticos.
JPS649300A (en) Liquid detergent composition
GB1361386A (en) Detergent compositions
JPS5718990A (en) Production of l-glutamic acid through fermentation

Legal Events

Date Code Title Description
PS Patent sealed