SG11201403795VA - Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes - Google Patents

Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes

Info

Publication number
SG11201403795VA
SG11201403795VA SG11201403795VA SG11201403795VA SG11201403795VA SG 11201403795V A SG11201403795V A SG 11201403795VA SG 11201403795V A SG11201403795V A SG 11201403795VA SG 11201403795V A SG11201403795V A SG 11201403795VA SG 11201403795V A SG11201403795V A SG 11201403795VA
Authority
SG
Singapore
Prior art keywords
international
component
oxygen demand
chemical oxygen
abatement
Prior art date
Application number
SG11201403795VA
Inventor
Mariachiara Benedetto
Original Assignee
Industrie De Nora Spa
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 Industrie De Nora Spa filed Critical Industrie De Nora Spa
Publication of SG11201403795VA publication Critical patent/SG11201403795VA/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674Treatment 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
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D44/00Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A45D44/08Protecting mantles; Shoulder-shields; Collars; Bibs
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/052Electrodes comprising one or more electrocatalytic coatings on a substrate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4602Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F2001/46133Electrodes characterised by the material
    • C02F2001/46138Electrodes comprising a substrate and a coating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F2001/46133Electrodes characterised by the material
    • C02F2001/46138Electrodes comprising a substrate and a coating
    • C02F2001/46142Catalytic coating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F2001/46152Electrodes characterised by the shape or form
    • C02F2001/46157Perforated or foraminous electrodes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/301Detergents, surfactants
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/32Hydrocarbons, e.g. oil
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/32Hydrocarbons, e.g. oil
    • C02F2101/325Emulsions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/34Organic compounds containing oxygen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/46Apparatus for electrochemical processes
    • C02F2201/461Electrolysis apparatus
    • C02F2201/46105Details relating to the electrolytic devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/46Apparatus for electrochemical processes
    • C02F2201/461Electrolysis apparatus
    • C02F2201/46105Details relating to the electrolytic devices
    • C02F2201/4612Controlling or monitoring
    • C02F2201/46125Electrical variables
    • C02F2201/4613Inversing polarity
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Catalysts (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 15 August 2013 (15.08.2013) WIPOIPCT (10) International Publication Number WO 2013/117630 A1 (51) International Patent Classification: C02F1/461 (2006.01) C02F1/467 (2006.01) C25B 11/04 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/EP2013/052403 7 February 2013 (07.02.2013) English English (30) Priority Data: MI20120A000158 7 February 2012 (07.02.2012) IT (71) Applicant: INDUSTRIE DE NORA S.P.A. [IT/IT]; Via Bistolfi 35,1-20134 Milano (IT). (72) Inventor: BENEDETTO, Mariachiara; Via Budrio 38A, Milan (IT). (74) Agent: REITSTOTTER KINZEBACH; SternwartstraBe 4, 81679 Miinchen (DE). (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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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, 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, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, 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)) © i> i-H o CJ o & (54) Title: ELECTRODE FOR ELECTROCHEMICAL ABATEMENT OF CHEMICAL OXYGEN DEMAND OF INDUSTRIAL WASTES (57) Abstract: The invention relates to an electrode suitable for decreasing the chemical oxygen demand of waste-water comprising: a) permanent a component; and b) a sacrificial component arranged face-to-face and releasably attached to the permanent component and in electrical contact therewith, said permanent component consisting of Substrate of valve metal a a equipped with a catalytic coating containing noble metals or oxides thereof, said sacrificial component containing elemental iron. Further the invention relates to a method for abatement of the chemical oxygen demand in an aqueous waste containing oily compounds, glycols or waxes, op - tionally consisting of a foundry waste, by an electrolytic process involving anodic chlorine evolution in the presence of trivalent iron. Chlorine evolution may be carried out on the surface of an anode consisting of a catalytically activated-valve metal permanent component coupled an iron-containing to sacrificial component.
SG11201403795VA 2012-02-07 2013-02-07 Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes SG11201403795VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000158A ITMI20120158A1 (en) 2012-02-07 2012-02-07 ELECTRODE FOR ELECTROCHEMICAL FILLING OF THE CHEMICAL APPLICATION OF OXYGEN IN INDUSTRIAL WASTE
PCT/EP2013/052403 WO2013117630A1 (en) 2012-02-07 2013-02-07 Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes

Publications (1)

Publication Number Publication Date
SG11201403795VA true SG11201403795VA (en) 2014-12-30

Family

ID=45998521

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201403795VA SG11201403795VA (en) 2012-02-07 2013-02-07 Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes

Country Status (22)

Country Link
US (1) US10287190B2 (en)
EP (1) EP2812287B1 (en)
JP (1) JP6153542B2 (en)
KR (1) KR102032109B1 (en)
CN (2) CN104093670B (en)
AR (1) AR089700A1 (en)
AU (1) AU2013218000B2 (en)
BR (1) BR112014019460B1 (en)
CA (1) CA2859588C (en)
CL (1) CL2014002095A1 (en)
EA (1) EA029033B1 (en)
ES (1) ES2655923T3 (en)
HK (1) HK1199009A1 (en)
IL (1) IL233369B (en)
IN (1) IN2014KN01299A (en)
IT (1) ITMI20120158A1 (en)
MA (1) MA35918B1 (en)
MX (1) MX362172B (en)
SG (1) SG11201403795VA (en)
TW (1) TWI613331B (en)
WO (1) WO2013117630A1 (en)
ZA (1) ZA201405012B (en)

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EP3145876B1 (en) * 2014-05-23 2021-09-08 Hydrus Technology Pty. Ltd. Electrochemical liquid treatment apparatus
JP6665172B2 (en) * 2014-10-09 2020-03-13 デ ノラ ウォーター テクノロジーズ エルエルシーDe Nora Water Technologies,Llc Electrocoagulation reactor apparatus and method for treating a fluid stream
US11668017B2 (en) 2018-07-30 2023-06-06 Water Star, Inc. Current reversal tolerant multilayer material, method of making the same, use as an electrode, and use in electrochemical processes
CN113213658A (en) * 2021-04-26 2021-08-06 李晟贤 Method for improving filtering speed of filter material
CN114804452A (en) * 2022-03-04 2022-07-29 中南大学 Method for treating non-ferrous metal smelting wastewater

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Also Published As

Publication number Publication date
CL2014002095A1 (en) 2014-10-24
BR112014019460A2 (en) 2017-06-20
TW201333270A (en) 2013-08-16
KR20140122274A (en) 2014-10-17
ITMI20120158A1 (en) 2013-08-08
AR089700A1 (en) 2014-09-10
AU2013218000B2 (en) 2017-05-25
BR112014019460B1 (en) 2020-11-24
EP2812287A1 (en) 2014-12-17
WO2013117630A1 (en) 2013-08-15
JP2015508017A (en) 2015-03-16
MX362172B (en) 2018-12-07
CN108217859A (en) 2018-06-29
CN104093670A (en) 2014-10-08
ES2655923T3 (en) 2018-02-22
EA029033B1 (en) 2018-01-31
ZA201405012B (en) 2015-12-23
IL233369B (en) 2018-12-31
CN104093670B (en) 2018-10-26
CA2859588C (en) 2020-06-02
CA2859588A1 (en) 2013-08-15
JP6153542B2 (en) 2017-06-28
CN108217859B (en) 2021-09-07
MX2014009527A (en) 2014-09-08
US20140353168A1 (en) 2014-12-04
HK1199009A1 (en) 2015-06-19
IN2014KN01299A (en) 2015-10-16
EA201491483A1 (en) 2014-11-28
EP2812287B1 (en) 2017-11-08
MA35918B1 (en) 2014-12-01
TWI613331B (en) 2018-02-01
BR112014019460A8 (en) 2017-07-11
AU2013218000A1 (en) 2014-07-17
US10287190B2 (en) 2019-05-14
IL233369A0 (en) 2014-08-31
KR102032109B1 (en) 2019-10-15

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