CA1149767A - Electrode with layer of aggregated silver microcrystals from silver oxide reduction - Google Patents

Electrode with layer of aggregated silver microcrystals from silver oxide reduction

Info

Publication number
CA1149767A
CA1149767A CA000345839A CA345839A CA1149767A CA 1149767 A CA1149767 A CA 1149767A CA 000345839 A CA000345839 A CA 000345839A CA 345839 A CA345839 A CA 345839A CA 1149767 A CA1149767 A CA 1149767A
Authority
CA
Canada
Prior art keywords
silver
electrode
conductor
water
oxide particles
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.)
Expired
Application number
CA000345839A
Other languages
English (en)
French (fr)
Inventor
Demetrios Kyriacou
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of CA1149767A publication Critical patent/CA1149767A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
    • C25B11/093—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds at least one noble metal or noble metal oxide and at least one non-noble metal oxide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/61—Halogen atoms or nitro radicals
    • 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
    • C25B11/081—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the element being a noble metal
    • 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
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/01—Products
    • C25B3/05—Heterocyclic compounds
    • 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
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/01—Products
    • C25B3/09—Nitrogen containing compounds
    • 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
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/01—Products
    • C25B3/11—Halogen containing compounds
    • 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
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/25—Reduction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
CA000345839A 1979-04-13 1980-02-18 Electrode with layer of aggregated silver microcrystals from silver oxide reduction Expired CA1149767A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US029,600 1979-04-13
US06/029,600 US4242183A (en) 1979-04-13 1979-04-13 Highly active silver cathode, preparation of same and use to make 2,3,5-trichloropyridine

Publications (1)

Publication Number Publication Date
CA1149767A true CA1149767A (en) 1983-07-12

Family

ID=21849889

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345839A Expired CA1149767A (en) 1979-04-13 1980-02-18 Electrode with layer of aggregated silver microcrystals from silver oxide reduction

Country Status (21)

Country Link
US (1) US4242183A (oth)
EP (1) EP0018069B1 (oth)
JP (1) JPS55141585A (oth)
KR (1) KR840001661B1 (oth)
AR (1) AR223704A1 (oth)
AU (1) AU527014B2 (oth)
BR (1) BR8002257A (oth)
CA (1) CA1149767A (oth)
CS (1) CS221544B2 (oth)
DD (1) DD150082A5 (oth)
DE (1) DE3064869D1 (oth)
DK (1) DK156480A (oth)
ES (1) ES489966A0 (oth)
GB (1) GB2051863B (oth)
HU (1) HU182122B (oth)
IL (1) IL59482A (oth)
IN (1) IN153664B (oth)
MY (1) MY8500087A (oth)
NZ (1) NZ192994A (oth)
SU (1) SU925254A3 (oth)
ZA (1) ZA801261B (oth)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367133A (en) * 1980-07-02 1983-01-04 Comsip, Inc. Electrochemical gas analyzer
US4592811A (en) * 1981-09-28 1986-06-03 The Dow Chemical Company Electrolytic cell comprising stainless steel anode, basic aqueous electrolyte and a cathode at which tetrachloro-2-picolinate ions can be selectively reduced in high yield to 3,6-dichloropicolinate ions _
EP0209611A1 (en) * 1985-07-18 1987-01-28 The Dow Chemical Company Electrolytic cell comprising stainless steel anode and a process for preparing polychloropicolinate anions
US4460441A (en) * 1982-08-31 1984-07-17 The Dow Chemical Company Expanded metal as more efficient form of silver cathode for electrolytic reduction of polychloropicolinate anions
US4482436A (en) * 1983-08-10 1984-11-13 The Dow Chemical Company Use of H2 SO4 H3 PO4 to remove electrolytic deposits from silver cathode surfaces
US4755266A (en) * 1986-07-11 1988-07-05 The Dow Chemical Company Process for silver cathode activation
US4778576A (en) * 1986-07-31 1988-10-18 The Dow Chemical Company Nickel alloy anodes for electrochemical dechlorination
RU2254401C2 (ru) * 2000-01-14 2005-06-20 Дау Агросайенсиз Ллс Селективное электрохимическое восстановление галогенированных 4-аминопиколиновых кислот
US7666293B2 (en) * 2007-10-04 2010-02-23 Dow Agrosciences Llc Electrochemical reduction of halogenated 4-aminopicolinic acids
CN101603179B (zh) * 2009-06-29 2013-11-06 浙江工业大学 3,5,6-三氯吡啶甲酸的电解合成方法
JP5818803B2 (ja) * 2009-10-27 2015-11-18 ダウ アグロサイエンシィズ エルエルシー 銀陰極活性化の改良
AU2010316702B2 (en) * 2009-11-04 2016-07-21 Ffgf Limited The production of hydrocarbons
CN105887128B (zh) * 2016-05-16 2018-01-12 浙江工业大学 一种五氯吡啶电催化选择性氢化脱氯的方法
CN108611656B (zh) * 2016-12-12 2019-07-30 利尔化学股份有限公司 一种4-氨基-3,6-二氯吡啶-2-甲酸的合成方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069586B (de) * 1953-09-14 1959-11-26 Union Carbide Corporation New York N Y (V St A) Verfahren zur Elektrolyse wäßriger Salzlosungen unter Verwendung einer kohlenstoffhaltigen Anode
US3130136A (en) * 1961-05-10 1964-04-21 Hercules Powder Co Ltd Electrolytic method for the preparation of gem-dinitrocompounds
US3449162A (en) * 1965-09-17 1969-06-10 Analytic Systems Co Method of making oxygen measuring cells
DE1546728C3 (de) * 1965-09-18 1975-07-17 Varta Batterie Ag, 3000 Hannover Verfahren zur Herstellung eines silberhaltigen pulverförmiger! Katalysators für Sauerstoffelektroden
DE1567689A1 (de) * 1965-10-09 1970-06-11 Barthel Dipl Chem Guenter Elektrode fuer die elektrolytische Zerlegung von Salzsaeure und Verfahren zu ihrer Herstellung
US3657003A (en) * 1970-02-02 1972-04-18 Western Electric Co Method of rendering a non-wettable surface wettable
US3687826A (en) * 1971-01-25 1972-08-29 Dow Chemical Co Electrolytic reduction of polyhaloquinoline and polyhaloisoquinoline
US3694332A (en) * 1971-03-05 1972-09-26 Dow Chemical Co Electrolytic reduction of halogenated pyridines
CH576529A5 (oth) * 1974-10-09 1976-06-15 Bbc Brown Boveri & Cie
DE2508853C3 (de) * 1975-02-28 1980-06-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung dunner Silberkathoden für elektrochemische Zellen
GB1532038A (en) * 1976-10-26 1978-11-15 Ici Ltd Process for the preparation of 2,3,5-trichloropyridine
US4111938A (en) * 1977-09-14 1978-09-05 The Dow Chemical Company Preparation of 2,3,5-trichloropyridine

Also Published As

Publication number Publication date
DD150082A5 (de) 1981-08-12
NZ192994A (en) 1983-05-10
GB2051863A (en) 1981-01-21
MY8500087A (en) 1985-12-31
SU925254A3 (ru) 1982-04-30
EP0018069A1 (en) 1980-10-29
CS221544B2 (en) 1983-04-29
EP0018069B1 (en) 1983-09-21
ZA801261B (en) 1981-07-29
IN153664B (oth) 1984-08-04
ES8103783A1 (es) 1981-03-16
AR223704A1 (es) 1981-09-15
KR840001661B1 (ko) 1984-10-12
GB2051863B (en) 1983-06-29
HU182122B (en) 1983-12-28
JPH0149793B2 (oth) 1989-10-26
KR830002911A (ko) 1983-05-31
JPS55141585A (en) 1980-11-05
DE3064869D1 (en) 1983-10-27
IL59482A (en) 1984-02-29
DK156480A (da) 1980-10-14
US4242183A (en) 1980-12-30
ES489966A0 (es) 1981-03-16
BR8002257A (pt) 1980-12-02
AU527014B2 (en) 1983-02-10
IL59482A0 (en) 1980-05-30
AU5590280A (en) 1980-10-16

Similar Documents

Publication Publication Date Title
CA1149767A (en) Electrode with layer of aggregated silver microcrystals from silver oxide reduction
US4634502A (en) Process for the reductive deposition of polyoxometallates
US4217185A (en) Electrolytic production of certain trichloropicolinic acids and/or 3,6-dichloropicolinic acid
Singh et al. Thin films of CO3O4 and NiCo2O4 prepared by the method of chemical spray pyrolysis for electrocatalysis: Part IV. The electrocatalysis of oxygen reduction
JPH0694597B2 (ja) 電気化学的工程において使用する電極とその製造方法
DE2010169A1 (de) Elektrochemisches Verfahren zum Einbringen von Spurenmengen eines Materials in die Oberflächenschicht eines Trägers
KR890000179B1 (ko) 고내구성 및 저수소 과전압을 갖는 음극 및 그의 제조방법
Tiwari et al. Electrocatalysis of oxygen evolution/reductionon LaNiO3 prepared by a novel malic acid-aided method
DE2652152A1 (de) Elektrode fuer elektrolytische reaktionen und verfahren zu deren herstellung
DE4030912A1 (de) Verfahren zur abscheidung von metallionen aus prozess- und abwaessern
CA1256057A (en) Process for electrolytic treatment of metal by liquid power feeding
CA1072915A (en) Cathode surfaces having a low hydrogen overvoltage
KR870011275A (ko) 전해조용 전극 및 그 제조방법과 이를 이용한 전해조
Brossard Electrocatalytic performance for alkaline water electrolysis of Ni electrodes electrocoated with Fe or Fe/Mo
Holze et al. Double-layer capacity measurements as a method to characterize porous fuel cell electrodes
US4882024A (en) Hydrogen generator having a low oxygen overpotential electrode
US4584065A (en) Activated electrodes
US4871703A (en) Process for preparation of an electrocatalyst
JPH0128837B2 (oth)
Subramanyan et al. Behaviour of Aluminium in Alkaline and Neutral Tartrate and Citrate Solutions
Ragunathan et al. Porous nickel electrodes in water electrolysis 1. Electrode preparation and polarization studies in strong alkali
CA1215679A (en) Spontaneous deposition of metals using fuel fed catalytic electrode
AU573623B2 (en) Preparation of nickel-oxide hydroxide electrode
DE2823042A1 (de) Raney-nickel-elektrode fuer galvanische zellen
CA1251159A (en) Preparation of nickel-oxide hydroxide electrode

Legal Events

Date Code Title Description
MKEX Expiry