SG11202007723UA - Regulation of process stream composition for improved electrolyzer performance - Google Patents

Regulation of process stream composition for improved electrolyzer performance

Info

Publication number
SG11202007723UA
SG11202007723UA SG11202007723UA SG11202007723UA SG11202007723UA SG 11202007723U A SG11202007723U A SG 11202007723UA SG 11202007723U A SG11202007723U A SG 11202007723UA SG 11202007723U A SG11202007723U A SG 11202007723UA SG 11202007723U A SG11202007723U A SG 11202007723UA
Authority
SG
Singapore
Prior art keywords
regulation
process stream
stream composition
electrolyzer performance
improved electrolyzer
Prior art date
Application number
SG11202007723UA
Other languages
English (en)
Inventor
Joshua Griffis
Simon Dukes
Li-Shiang Liang
Darren Dale
Michael Shaw
Paul Beddoes
George Gu
Original Assignee
Evoqua Water Tech Llc
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 Evoqua Water Tech Llc filed Critical Evoqua Water Tech Llc
Publication of SG11202007723UA publication Critical patent/SG11202007723UA/en

Links

Classifications

    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • 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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • 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
    • B01D61/58—Multistep processes
    • 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
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • 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
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2684—Electrochemical processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4618—Supplying or removing reactants or electrolyte
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Nanotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
SG11202007723UA 2018-02-27 2019-02-27 Regulation of process stream composition for improved electrolyzer performance SG11202007723UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862635731P 2018-02-27 2018-02-27
PCT/US2019/019796 WO2019168955A1 (en) 2018-02-27 2019-02-27 Regulation of process stream composition for improved electrolyzer performance

Publications (1)

Publication Number Publication Date
SG11202007723UA true SG11202007723UA (en) 2020-09-29

Family

ID=67805513

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202007723UA SG11202007723UA (en) 2018-02-27 2019-02-27 Regulation of process stream composition for improved electrolyzer performance

Country Status (9)

Country Link
EP (1) EP3758834A4 (ja)
JP (1) JP7449865B2 (ja)
KR (1) KR20200127012A (ja)
CN (1) CN111818988B (ja)
AU (1) AU2019229250A1 (ja)
CA (1) CA3091043A1 (ja)
EA (1) EA202091657A1 (ja)
SG (1) SG11202007723UA (ja)
WO (1) WO2019168955A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR2022013104A2 (tr) * 2022-08-19 2022-09-21 Tuerkiye Bilimsel Veteknolojik Arastirma Kurumu Rodyumun zengi̇nleşti̇ri̇lmesi̇ ve geri̇ kazanimi i̇çi̇n membran ve katodi̇k i̇ndi̇rgeme hi̇bri̇t si̇stemi̇

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07148420A (ja) * 1993-11-30 1995-06-13 Tokuyama Corp 酸及びアルカリの回収方法
CA2227398A1 (en) * 1997-01-23 1998-07-23 K.N. Mani Apparatus and process for electrodialysis of salts
JP3553775B2 (ja) * 1997-10-16 2004-08-11 ペルメレック電極株式会社 ガス拡散電極を使用する電解槽
WO2007132477A1 (en) * 2006-05-11 2007-11-22 Raman Ahilan A pretreatment process for the saline water feeds of desalination plants
US10252923B2 (en) * 2006-06-13 2019-04-09 Evoqua Water Technologies Llc Method and system for water treatment
US7744760B2 (en) * 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
US20080277341A1 (en) * 2007-05-10 2008-11-13 Nai-Jen Huang Method for Making Reverse Osmosis Permeate Water and Mineral Water From Deep Seawater
SG184749A1 (en) * 2007-09-21 2012-10-30 Siemens Industry Inc Low energy system and method of desalinating seawater
RU2403301C1 (ru) * 2009-04-24 2010-11-10 Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) Способ активационного выщелачивания металлов из руд и концентратов
BR112015003450A2 (pt) * 2011-08-17 2017-07-04 Raman Ahilan processo para produzir salmoura de cloreto de sódio, sistema para produzir salmoura de cloreto de sódio, processo para produzir hidróxido de sódio, sistema para produzir hidróxido de sódio e processo para a produção comercial de carbonato de sódio
JP5873771B2 (ja) * 2012-07-06 2016-03-01 水ｉｎｇ株式会社 有機性廃水の処理方法及び処理装置
SG11201606690VA (en) * 2012-08-16 2016-10-28 Ahilan Raman Process and system for producing sodium chloride brine
US20140227151A1 (en) * 2013-02-14 2014-08-14 Board Of Regents, The University Of Texas System Recovery and purification of monovalent salt contaminated with divalent salt
US20140290484A1 (en) * 2013-03-27 2014-10-02 Cameron Solutions, Inc. System and Method For Treating A Saline Feed Stream To An Electro-Chlorination Unit
CN108367946B (zh) * 2015-09-18 2021-12-10 懿华水处理技术有限责任公司 用于电化学电池中反应产物去除的原位输送系统
JP6738145B2 (ja) * 2015-12-22 2020-08-12 学校法人福岡大学 次亜塩素酸ソーダの製造方法及び次亜塩素酸ソーダの製造装置
CN107265734B (zh) * 2017-08-03 2020-07-10 国家海洋局天津海水淡化与综合利用研究所 一种反渗透浓海水处理系统和方法
US11814305B2 (en) 2018-02-22 2023-11-14 Evoqua Water Technologies Llc Electrochlorination system configurations for the generation of high product strength solutions

Also Published As

Publication number Publication date
EP3758834A4 (en) 2022-03-09
EA202091657A1 (ru) 2021-01-14
KR20200127012A (ko) 2020-11-09
JP7449865B2 (ja) 2024-03-14
CN111818988B (zh) 2023-01-03
JP2021515096A (ja) 2021-06-17
CA3091043A1 (en) 2019-09-06
AU2019229250A1 (en) 2020-09-03
CN111818988A (zh) 2020-10-23
EP3758834A1 (en) 2021-01-06
WO2019168955A1 (en) 2019-09-06

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