WO2021211231A3 - Carbon-coated, transition-metal electrodes for advanced oxidation reactors - Google Patents

Carbon-coated, transition-metal electrodes for advanced oxidation reactors Download PDF

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Publication number
WO2021211231A3
WO2021211231A3 PCT/US2021/021739 US2021021739W WO2021211231A3 WO 2021211231 A3 WO2021211231 A3 WO 2021211231A3 US 2021021739 W US2021021739 W US 2021021739W WO 2021211231 A3 WO2021211231 A3 WO 2021211231A3
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Prior art keywords
transition
advanced oxidation
carbon
coated
metal electrodes
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PCT/US2021/021739
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French (fr)
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WO2021211231A2 (en
Inventor
Ramya Srinivasan
Indumathi Nambi
Prakash Govindan
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Gradiant Corporation
Indian Institute Of Technology
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Publication of WO2021211231A2 publication Critical patent/WO2021211231A2/en
Publication of WO2021211231A3 publication Critical patent/WO2021211231A3/en

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    • 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
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    • C25B1/30—Peroxides
    • 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
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • 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
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
    • C25B11/061—Metal or alloy
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
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    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • 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
    • C25B15/029—Concentration
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    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
    • 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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    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
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    • 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
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46152—Electrodes characterised by the shape or form
    • C02F2001/46157—Perforated or foraminous electrodes
    • C02F2001/46161—Porous electrodes
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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
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46152—Electrodes characterised by the shape or form
    • C02F2001/46171—Cylindrical or tubular shaped
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    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/36—Organic compounds containing halogen
    • C02F2101/366—Dioxine; Furan
    • C—CHEMISTRY; METALLURGY
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    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C02F2103/06—Contaminated groundwater or leachate
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    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
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    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/20—Total organic carbon [TOC]
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    • C02F2209/23—O3
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    • C02F2209/38—Gas flow rate
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    • C02F2209/44—Time
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    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/08—Nanoparticles or nanotubes

Abstract

A cathode, which can be used in combination with an anode in an advanced oxidation reactor, comprises a transition-metal foam and a carbon coating on the transition-metal foam. Oxidation can be achieved by electrifying the cathode and using the electrified cathode to produce a hydrogen-peroxide product via a first electrochemical reaction. OH radicals can be produced via a second electrochemical reaction involving the hydrogen peroxide product. Organic molecules can then be oxidized from a feed stream using the OH radicals.
PCT/US2021/021739 2020-03-10 2021-03-10 Carbon-coated, transition-metal electrodes for advanced oxidation reactors WO2021211231A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062987549P 2020-03-10 2020-03-10
US62/987,549 2020-03-10

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WO2021211231A2 WO2021211231A2 (en) 2021-10-21
WO2021211231A3 true WO2021211231A3 (en) 2022-03-24

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115520943B (en) * 2022-09-29 2024-03-01 四川大学 Method for treating hospital sewage by using ozone diffusion electrode as anode through electrocatalytic ozone
CN115739153A (en) * 2022-11-10 2023-03-07 湖南大学 Catalyst for directly catalyzing electrochemical reduction of oxygen into hydroxyl free radicals and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160167985A1 (en) * 2013-07-03 2016-06-16 Vm-Tecsystems Gmbh Method for treating wastewater and device for carrying out said method
US20170152162A1 (en) * 2014-05-23 2017-06-01 Hydrus Technology Pty. Ltd. Electrochemical Liquid Treatment Apparatus
US20180134592A1 (en) * 2015-05-07 2018-05-17 Evoqua Water Technologies Llc Advanced Oxidation Process Methods for Degasification of Reactor Vessel
CN108203141A (en) * 2016-12-19 2018-06-26 哈尔滨皓威伟业科技发展有限公司 A kind of method for pre-oxidizing of filtration type electrolysis producing hydrogen peroxide
CN110143647A (en) * 2019-05-22 2019-08-20 北京工业大学 A kind of preparation method and application of carbon nanotube-nafion/ foam metal gas-diffusion electrode

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160167985A1 (en) * 2013-07-03 2016-06-16 Vm-Tecsystems Gmbh Method for treating wastewater and device for carrying out said method
US20170152162A1 (en) * 2014-05-23 2017-06-01 Hydrus Technology Pty. Ltd. Electrochemical Liquid Treatment Apparatus
US20180134592A1 (en) * 2015-05-07 2018-05-17 Evoqua Water Technologies Llc Advanced Oxidation Process Methods for Degasification of Reactor Vessel
CN108203141A (en) * 2016-12-19 2018-06-26 哈尔滨皓威伟业科技发展有限公司 A kind of method for pre-oxidizing of filtration type electrolysis producing hydrogen peroxide
CN110143647A (en) * 2019-05-22 2019-08-20 北京工业大学 A kind of preparation method and application of carbon nanotube-nafion/ foam metal gas-diffusion electrode

Non-Patent Citations (3)

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Title
LI XIANG, WANG YUJUE, YUAN SHI, LI ZHAOXIN, WANG BIN, HUANG JUN, DENG SHUBO, YU GANG: "Degradation of the anti-inflammatory drug ibuprofen by electro-peroxone process", WATER RESEARCH, ELSEVIER, AMSTERDAM, NL, vol. 63, 1 October 2014 (2014-10-01), AMSTERDAM, NL, pages 81 - 93, XP055919242, ISSN: 0043-1354, DOI: 10.1016/j.watres.2014.06.009 *
MA YA, TANG YANHONG, YIN KAI, LUO SHENGLIAN, LIU CHENGBIN, LIU TIAN, YANG LIMING: "Graphene-modified nickel foam electrode for cathodic degradation of nitrofuranzone: Kinetics, transformation products and toxicity", JOURNAL OF ELECTROCHEMICAL SCIENCE AND ENGINEERING, vol. 7, no. 4, pages 201 - 212, XP055919240, DOI: 10.5599/jese.458 *
WANG HUIJIAO; YUAN SHI; ZHAN JUHONG; WANG YUJUE; YU GANG; DENG SHUBO; HUANG JUN; WANG BIN: "Mechanisms of enhanced total organic carbon elimination from oxalic acid solutions by electro-peroxone process", WATER RESEARCH, ELSEVIER, AMSTERDAM, NL, vol. 80, 1 January 1900 (1900-01-01), AMSTERDAM, NL, pages 20 - 29, XP029162881, ISSN: 0043-1354, DOI: 10.1016/j.watres.2015.05.024 *

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