SG11201907477VA - Half-cell electrochemical configurations for self-cleaning electrochlorination devices - Google Patents

Half-cell electrochemical configurations for self-cleaning electrochlorination devices

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Publication number
SG11201907477VA
SG11201907477VA SG11201907477VA SG11201907477VA SG11201907477VA SG 11201907477V A SG11201907477V A SG 11201907477VA SG 11201907477V A SG11201907477V A SG 11201907477VA SG 11201907477V A SG11201907477V A SG 11201907477VA SG 11201907477V A SG11201907477V A SG 11201907477VA
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Singapore
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chamber
international
electrochemical cell
massachusetts
march
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SG11201907477VA
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Joshua Griffis
George Y Gu
Simon Paul Dukes
Michael J Shaw
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Evoqua Water Tech Llc
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Publication of SG11201907477VA publication Critical patent/SG11201907477VA/en

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    • 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
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • 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
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    • 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
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    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0656—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
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    • C02F2103/08—Seawater, e.g. for desalination
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    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
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    • C02F2201/4613—Inversing polarity
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    • C02F2201/46105—Details relating to the electrolytic devices
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    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
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    • C02F2201/46145—Fluid flow
    • C—CHEMISTRY; METALLURGY
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    • C02F2201/46—Apparatus for electrochemical processes
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    • C02F2201/46175—Electrical pulses
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    • 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
    • C02F2201/46185—Recycling the cathodic or anodic feed
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    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
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    • C02F2209/04—Oxidation reduction potential [ORP]
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    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
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    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/23—O3
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/30—H2
    • 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
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
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    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
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    • C25B1/02—Hydrogen or oxygen
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    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
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    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • C25B15/023—Measuring, analysing or testing during electrolytic production
    • C25B15/025—Measuring, analysing or testing during electrolytic production of electrolyte parameters
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    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • C25B15/023—Measuring, analysing or testing during electrolytic production
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    • 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
    • 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
    • Y02A20/138—Water desalination using renewable energy
    • Y02A20/144—Wave energy
    • 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
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 13 September 2018 (13.09.2018) WIPO I PCT IiiimmomiolollmonolomommuolonomovoimIE (10) International Publication Number WO 2018/165118 Al -4 0 (51) International Patent Classification: HO1M 10/052 (2010.01) HO1M 10/0568 (2010.01) HO1M 10/054 (2010.01) (21) International Application Number: PCT/US2018/021088 (22) International Filing Date: 06 March 2018 (06.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/467,518 06 March 2017 (06.03.2017) US 62/468,544 08 March 2017 (08.03.2017) US 62/469,224 09 March 2017 (09.03.2017) US (71) Applicant: EVOQUA WATER TECHNOLOGIES LLC [US/US]; 210 Sixth Avenue, Suite 3300, Pittsburgh, Penn- sylvania 01851 (US). (72) Inventors: GRIFFIS, Joshua; 20 Whitney Drive, Ash- burnham, Massachusetts 01430 (US). GU, George Y.; 4 Mulberry Circle, Andover, Massachusetts 01810 (US). DUKES, Simon Paul; 10 Wiggin Street, Chelmsford, Massachusetts 01824 (US). SHAW, Michael J.; 6 Pingree Hill Road, Deny, New Hampshire 03038 (US). (74) Agent: WILKINS, Frederick C.; 10 Technology Drive, Lowell, Massachusetts 01851 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (54) Title: HALF-CELL ELECTROCHEMICAL CONFIGURATIONS FOR SELF-CLEANING ELECTROCHLORINATION DE- - VICES Pulse shapes 4 50 100 150 200 250 Time(sec) FIG. 10A (57) : An electrochemical cell including a first chamber having an anode, a second chamber having a cathode, at least one ionic connection between the first chamber and the second chamber, such that liquid electrolyte from the first chamber is prevented from mixing with liquid electrolyte in the second chamber is provided. The first chamber and the second chamber can be arranged in parallel and positioned remotely from each other. An electrochemical system including the electrochemical cell, and first and second sources of saline aqueous solutions is also provided. Water treatment systems are also provided. A method of operating an electrochemical cell including introducing first and second saline aqueous solutions into first and second chambers of the electrochemical cell, and applying a current across the anode and the cathode to generate first and second products, respectively is also provided. A method of facilitating operation of an electrochemical cell is also provided. [Continued on next page] WO 2018/165118 Al MIDEDIM01101 DIONE10131111110111111111111011111111111111111 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 21(3)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))
SG11201907477VA 2017-03-06 2018-03-06 Half-cell electrochemical configurations for self-cleaning electrochlorination devices SG11201907477VA (en)

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US201762467518P 2017-03-06 2017-03-06
US201762468544P 2017-03-08 2017-03-08
US201762469224P 2017-03-09 2017-03-09
PCT/US2018/021088 WO2018165118A1 (en) 2017-03-06 2018-03-06 Half-cell electrochemical configurations for self-cleaning electrochlorination devices

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SG11201907475YA SG11201907475YA (en) 2017-03-06 2018-03-06 Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation
SG11201907477VA SG11201907477VA (en) 2017-03-06 2018-03-06 Half-cell electrochemical configurations for self-cleaning electrochlorination devices
SG10202109754T SG10202109754TA (en) 2017-03-06 2018-03-06 Implementation of feedback control for improved electrochemical system design
SG11201907559WA SG11201907559WA (en) 2017-03-06 2018-03-06 Implementation of feedback control for improved electrochemical system design
SG10202109751U SG10202109751UA (en) 2017-03-06 2018-03-06 Half-cell electrochemical configurations for self-cleaning electrochlorination devices
SG10202109750R SG10202109750RA (en) 2017-03-06 2018-03-06 Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation

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SG11201907559WA SG11201907559WA (en) 2017-03-06 2018-03-06 Implementation of feedback control for improved electrochemical system design
SG10202109751U SG10202109751UA (en) 2017-03-06 2018-03-06 Half-cell electrochemical configurations for self-cleaning electrochlorination devices
SG10202109750R SG10202109750RA (en) 2017-03-06 2018-03-06 Pulsed power supply for sustainable redox agent supply for hydrogen abatement during electrochemical hypochlorite generation

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US (5) US11414330B2 (en)
EP (3) EP3593401A4 (en)
JP (3) JP7134986B2 (en)
KR (3) KR102578933B1 (en)
CN (3) CN110366608B (en)
AU (3) AU2018231010B2 (en)
CA (3) CA3053501A1 (en)
SG (6) SG11201907475YA (en)
WO (3) WO2018165092A1 (en)

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