GB0228351D0 - Method for the production of sodium chloride from seawater - Google Patents

Method for the production of sodium chloride from seawater

Info

Publication number
GB0228351D0
GB0228351D0 GB0228351A GB0228351A GB0228351D0 GB 0228351 D0 GB0228351 D0 GB 0228351D0 GB 0228351 A GB0228351 A GB 0228351A GB 0228351 A GB0228351 A GB 0228351A GB 0228351 D0 GB0228351 D0 GB 0228351D0
Authority
GB
United Kingdom
Prior art keywords
seawater
production
sodium chloride
chloride
sodium
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.)
Granted
Application number
GB0228351A
Other versions
GB2395946A (en
GB2395946B (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.)
ATTENBOROUGH ANTHONY
KENNY CONOR
Original Assignee
ATTENBOROUGH ANTHONY
KENNY CONOR
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 ATTENBOROUGH ANTHONY, KENNY CONOR filed Critical ATTENBOROUGH ANTHONY
Priority to GB0228351A priority Critical patent/GB2395946B/en
Publication of GB0228351D0 publication Critical patent/GB0228351D0/en
Publication of GB2395946A publication Critical patent/GB2395946A/en
Application granted granted Critical
Publication of GB2395946B publication Critical patent/GB2395946B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/029—Multistep processes comprising different kinds of membrane processes selected from reverse osmosis, hyperfiltration or nanofiltration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/14—Purification
    • C01D3/16—Purification by precipitation or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/04—Chlorides
    • C01D3/06—Preparation by working up brines; seawater or spent lyes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/14—Purification
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/06—Specific process operations in the permeate stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/02—Elements in series
    • B01D2317/025—Permeate series
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F2001/5218—Crystallization
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
GB0228351A 2002-12-05 2002-12-05 Method for the production of sodium chloride from seawater Expired - Fee Related GB2395946B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0228351A GB2395946B (en) 2002-12-05 2002-12-05 Method for the production of sodium chloride from seawater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0228351A GB2395946B (en) 2002-12-05 2002-12-05 Method for the production of sodium chloride from seawater

Publications (3)

Publication Number Publication Date
GB0228351D0 true GB0228351D0 (en) 2003-01-08
GB2395946A GB2395946A (en) 2004-06-09
GB2395946B GB2395946B (en) 2006-01-18

Family

ID=9949095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0228351A Expired - Fee Related GB2395946B (en) 2002-12-05 2002-12-05 Method for the production of sodium chloride from seawater

Country Status (1)

Country Link
GB (1) GB2395946B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107902823A (en) * 2015-08-19 2018-04-13 石家庄工大化工设备有限公司 The recovery and treatment method of the high-salt wastewater of sodium chloride-containing and sodium sulphate
CN108658345A (en) * 2017-03-30 2018-10-16 杭州水处理技术研究开发中心有限公司 A kind of method and system of high-salt wastewater purified salt
CN109133106A (en) * 2017-06-27 2019-01-04 神华集团有限责任公司 Salt extraction process and system and thus obtained product salt
CN110603339A (en) * 2017-05-11 2019-12-20 Bl 科技公司 Method for softening lithium salt water using nanofiltration
CN111170340A (en) * 2020-01-14 2020-05-19 陈智涛 Method for recovering salt and nitrate from salt and nitrate waste brine
CN112645377A (en) * 2021-01-11 2021-04-13 大连东道尔膜技术有限公司 Process for extracting non-mineral nano calcium carbonate from water
CN113023989A (en) * 2021-03-13 2021-06-25 宝钢湛江钢铁有限公司 Method for treating silicon-containing sludge by using wastewater zero discharge system
CN113443981A (en) * 2021-07-26 2021-09-28 连云港诺信食品配料有限公司 Industrial preparation method of sodium acetate solution
CN113614288A (en) * 2019-03-13 2021-11-05 科思创知识产权两合公司 Post-treatment and reuse method of salt-containing process water

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144511B2 (en) * 2002-05-02 2006-12-05 City Of Long Beach Two stage nanofiltration seawater desalination system
JP5166034B2 (en) 2004-10-22 2013-03-21 アクゾ ノーベル ナムローゼ フェンノートシャップ Method for crystallizing soluble salt of divalent anion from salt water
CN104692327B (en) 2005-02-18 2019-02-19 阿克苏诺贝尔化学品国际有限公司 The method for preparing chlorine-containing compound
WO2006087302A1 (en) 2005-02-18 2006-08-24 Akzo Nobel N.V. Process to prepare salt
US8460553B2 (en) * 2007-06-25 2013-06-11 Houghton Technical Corp. Recovery by vapor recompression of industrial process fluid components
WO2010018249A1 (en) * 2008-07-30 2010-02-18 Desalacion Integral Systems, S.L. Improved plant for the desalination/purification of industrial waste and brackish water with zero liquid discharge
ES2377067B1 (en) * 2008-12-18 2013-02-11 Desalación Integral Systems, S.L. IMPROVEMENTS IN THE OBJECT OF THE PATENT No. P200600257 AND IN THE ADDITION PATENT No. P200802271 BY: DESALADORA-DEPURADORA PLANT OF SALOBRES WATER AND INDUSTRIAL WASTE WITH ZERO LIQUID DISCHARGE.
US20100163471A1 (en) 2008-12-30 2010-07-01 Irving Elyanow Water desalination plant and system for the production of pure water and salt
CN101813103B (en) * 2010-05-07 2012-01-18 化工部长沙设计研究院 Method for cleaning salt depositions on saline lake mining brine pump
US8647509B2 (en) 2010-06-15 2014-02-11 General Electric Company Seawater desalination plant and production of high purity salt
CN102849883A (en) * 2011-06-30 2013-01-02 山东科技职业学院 Technology for treating SIPM waste water recovered material
BR112015003450A2 (en) * 2011-08-17 2017-07-04 Raman Ahilan process for producing sodium chloride brine, system for producing sodium chloride brine, process for producing sodium hydroxide, system for producing sodium hydroxide and process for commercial production of sodium carbonate
US20150165381A1 (en) * 2012-07-13 2015-06-18 Chemetics Inc. Nanofiltration process for impurity removal
SG11201606690VA (en) * 2012-08-16 2016-10-28 Ahilan Raman Process and system for producing sodium chloride brine
CN103101932B (en) * 2012-12-14 2014-07-16 青岛格兰德新能源有限公司 Comprehensive utilizing system for extracting salt from seawater, preparing drinking water and recovering power generation energy
US9969638B2 (en) 2013-08-05 2018-05-15 Gradiant Corporation Water treatment systems and associated methods
CA2925869A1 (en) * 2013-09-23 2015-03-26 Gradiant Corporation Desalination systems and associated methods
US10843951B2 (en) 2013-12-20 2020-11-24 Oriel Seasalt Company Limited Sea water harvesting process
CN103910457B (en) * 2014-04-15 2015-09-02 郭强 The treatment for reuse apparatus and method of a kind of industrial park brine waste
CN104787951A (en) * 2014-12-22 2015-07-22 内蒙古久科康瑞环保科技有限公司 A treatment system for high-salt waste water
US10167218B2 (en) 2015-02-11 2019-01-01 Gradiant Corporation Production of ultra-high-density brines
US20160228795A1 (en) 2015-02-11 2016-08-11 Gradiant Corporation Methods and systems for producing treated brines
CN104695252B (en) * 2015-02-13 2016-06-29 中盐金坛盐化有限责任公司 A kind of method adopting high glass gall to prepare accelerant
EP3328522A4 (en) 2015-07-29 2019-04-24 Gradiant Corporation Osmotic desalination methods and associated systems
US10301198B2 (en) 2015-08-14 2019-05-28 Gradiant Corporation Selective retention of multivalent ions
US10245555B2 (en) 2015-08-14 2019-04-02 Gradiant Corporation Production of multivalent ion-rich process streams using multi-stage osmotic separation
CN105174512B (en) * 2015-08-24 2017-08-29 神华集团有限责任公司 A kind of processing method of brackish water and a kind of saliferous water treatment system
CN105174334A (en) * 2015-08-28 2015-12-23 深圳市捷晶能源科技有限公司 Evaporation and concentration system for medical wastewater
CN105174539A (en) * 2015-09-16 2015-12-23 南通海容热能环境工程有限公司 Device for removing high valence ions in desulfurization wastewater of thermal power plant
CN105399262B (en) * 2015-12-21 2017-08-25 哈尔滨工业大学 A kind of method that utilization coal chemical industry strong brine prepares high-purity technical level crystal salt
CN105540980B (en) * 2016-01-30 2019-07-09 内蒙古久科康瑞环保科技有限公司 A kind of advanced oxidation-of high saliferous industrial wastewater divides salt to crystallize combined system
CN105668893B (en) * 2016-01-30 2019-08-23 内蒙古久科康瑞环保科技有限公司 A kind of high saliferous Industry Waste moisture salt Zero discharging system
CN105565569A (en) * 2016-01-30 2016-05-11 内蒙古久科康瑞环保科技有限公司 Intensified deep concentration system for high-salt-content industrial wastewater and technology thereof
US10689264B2 (en) 2016-02-22 2020-06-23 Gradiant Corporation Hybrid desalination systems and associated methods
CN105948351A (en) * 2016-05-16 2016-09-21 神华集团有限责任公司 Water treatment system and method
CN105967373A (en) * 2016-06-29 2016-09-28 曹蕊 Sea water desalination method
CN106082516B (en) * 2016-07-12 2020-02-11 中国石油集团东北炼化工程有限公司吉林设计院 Salt separation crystallization process and device
CN106186487A (en) * 2016-08-03 2016-12-07 东华工程科技股份有限公司 A kind of Coal Chemical Industry high slat-containing wastewater sub-prime recycling processing method
CN106800351A (en) * 2016-11-25 2017-06-06 恩那社工程有限公司 Full Membrane seawater desalination and strong brine utilization system
AR113213A1 (en) 2017-03-28 2020-02-19 Bp Exploration Operating Co Ltd PROCESS AND SYSTEM TO SUPPLY LOW SALINITY WATER FOR INJECTION
CN106995253B (en) * 2017-05-05 2019-06-11 东莞理工学院 A kind of fresh water, salt and supply of cooling, heating and electrical powers equipment
CN107381598B (en) * 2017-06-09 2023-08-08 石家庄新奥环保科技有限公司 Recovery device and recovery method
CN107098416A (en) * 2017-06-29 2017-08-29 合众高科（北京）环保技术股份有限公司 A kind of Waste Water Treatment and its method of wastewater treatment with buffer unit
CN107804925B (en) * 2017-09-28 2020-06-19 枣庄学院 Chlor-alkali brine purification device and purification process thereof
CN107804859B (en) * 2017-09-30 2019-07-26 安徽华星化工有限公司 The improved method of chlor-alkali acid Workshop Production systems technology
CN108928986A (en) * 2018-08-17 2018-12-04 何红侠 A kind of working method of heavy metal ion sewage disposal device
US11629072B2 (en) 2018-08-22 2023-04-18 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
US10947143B2 (en) 2019-04-01 2021-03-16 Saline Water Conversion Corporation Desalination brine concentration system and method
CN110304778A (en) * 2019-07-17 2019-10-08 青岛沃赛海水淡化科技有限公司 A kind of bitter treatment process
US20210053848A1 (en) 2019-08-22 2021-02-25 Saline Water Conversion Corporation Multi-Valent Ion Concentration Using Multi-Stage Nanofiltration
CN111252982A (en) * 2020-02-19 2020-06-09 中国恩菲工程技术有限公司 Method and device for treating high-salt high-COD wastewater
CN111362453B (en) * 2020-03-18 2020-11-03 北京百灵天地环保科技股份有限公司 High-salinity coal mine water standard-reaching treatment and resource utilization device and use method thereof
EP4247522A1 (en) 2020-11-17 2023-09-27 Gradiant Corporation Osmotic methods and systems involving energy recovery
CN112744975A (en) * 2021-01-29 2021-05-04 杰瑞环保科技有限公司 Wastewater treatment device and method
WO2022187252A1 (en) * 2021-03-02 2022-09-09 Fluid Technology Solutions (Fts), Inc. Systems and methods for reducing magnesium, calcium, and/or sulfate from sodium chloride brine during concentration by high-pressure nanofiltration
CN113069926A (en) * 2021-03-24 2021-07-06 江苏新宜中澳环境技术有限公司 System and method for extracting polysaccharide substances in traditional Chinese medicine wastewater
CN113105058A (en) * 2021-04-23 2021-07-13 广东闻扬环境科技有限公司 Seawater desalination zero-emission and resource recycling process
CN113461044B (en) * 2021-07-28 2023-05-26 重庆天原化工有限公司 Method for separating and recovering calcium and magnesium in chlor-alkali byproduct salt mud
IL288000B (en) * 2021-08-25 2022-09-01 Hydrolite Ltd Water electrolysis using saline water
CN113830953A (en) * 2021-10-13 2021-12-24 烟台金正环保科技有限公司 Comprehensive utilization system and method for seawater desalination concentrated water
WO2023111564A1 (en) * 2021-12-14 2023-06-22 Evove Ltd Apparatus and process for monovalent ion extraction
US11806668B2 (en) * 2021-12-14 2023-11-07 Saline Water Conversion Corporation Method and system for extraction of minerals based on divalent cations from brine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL268423A1 (en) * 1987-10-23 1989-05-02 Method of water desalting,especially coal mine water
US6004464A (en) * 1998-07-14 1999-12-21 Desalination Systems, Inc. Spent brine reclamation
NO985322L (en) * 1998-11-13 2000-05-15 Norsk Hydro As Process for the preparation of magnesium chloride from seawater
DE60003564T2 (en) * 1999-08-20 2003-12-24 L E T Leading Edge Technologie METHOD FOR THE DESALINATION OF SALTWATER USING ION-SELECTIVE MEMBRANES
JP3394964B2 (en) * 2000-05-15 2003-04-07 川崎重工業株式会社 Method and apparatus for treating leachate at landfill site

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107902823A (en) * 2015-08-19 2018-04-13 石家庄工大化工设备有限公司 The recovery and treatment method of the high-salt wastewater of sodium chloride-containing and sodium sulphate
CN108658345A (en) * 2017-03-30 2018-10-16 杭州水处理技术研究开发中心有限公司 A kind of method and system of high-salt wastewater purified salt
CN108658345B (en) * 2017-03-30 2024-01-02 杭州水处理技术研究开发中心有限公司 Method and system for refining salt from high-salt wastewater
CN110603339A (en) * 2017-05-11 2019-12-20 Bl 科技公司 Method for softening lithium salt water using nanofiltration
CN110603339B (en) * 2017-05-11 2022-07-05 Bl 科技公司 Method for softening lithium salt water by using nanofiltration
CN109133106A (en) * 2017-06-27 2019-01-04 神华集团有限责任公司 Salt extraction process and system and thus obtained product salt
CN109133106B (en) * 2017-06-27 2021-11-30 国家能源投资集团有限责任公司 Salt production method and system and salt product produced thereby
CN113614288A (en) * 2019-03-13 2021-11-05 科思创知识产权两合公司 Post-treatment and reuse method of salt-containing process water
CN111170340A (en) * 2020-01-14 2020-05-19 陈智涛 Method for recovering salt and nitrate from salt and nitrate waste brine
CN112645377A (en) * 2021-01-11 2021-04-13 大连东道尔膜技术有限公司 Process for extracting non-mineral nano calcium carbonate from water
CN113023989A (en) * 2021-03-13 2021-06-25 宝钢湛江钢铁有限公司 Method for treating silicon-containing sludge by using wastewater zero discharge system
CN113443981A (en) * 2021-07-26 2021-09-28 连云港诺信食品配料有限公司 Industrial preparation method of sodium acetate solution

Also Published As

Publication number Publication date
GB2395946A (en) 2004-06-09
GB2395946B (en) 2006-01-18

Similar Documents

Publication Publication Date Title
GB2395946B (en) Method for the production of sodium chloride from seawater
AU2003268052A8 (en) Production of purified water and high value chemicals from salt water
IL167426A (en) Process for the manufacture of valsartan
PL375298A1 (en) Process for selective production of aryl 5-thio-beta-d-aldohexopyranosides
ZA200409981B (en) Novel formate salt of O-desmethyl-venlafaxine
ZA200605864B (en) Method for the production of methionine
PL1611108T3 (en) Method for the production of telmisartan
EP1577280A4 (en) Method of deuterization
GB2385009B (en) Subsea production system
GB2394678B (en) Magnesium chloride production method from seawater
PL377943A1 (en) Method for the production of benzophenones
GB2385602B (en) Method of photoelectrolysis
GB2407600B (en) Subsea well production system
GB0423636D0 (en) Methods of monitoring well operations
AU2003237598A8 (en) Process for the preparation of highly pure rabeprazole sodium salt
ZA200408047B (en) Method for the purification of copper chloride solution
IL166631A0 (en) Process for the production of bisphenol-a
AP1873A (en) Process for the manufacture of sodium carbonate.
AU2003245879A1 (en) Method for the production of substituted trifluoroetylenes
GB2417438B (en) Subsea production system
GEU20041064U (en) Method for production of Matsoni
PL355043A1 (en) Method of production of p-octylohenol
GB0227963D0 (en) Production of ham
GB0226457D0 (en) Process for the production of gaskets
GB0228898D0 (en) Process for the production of gaskets

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071205