CS221544B2 - Silver cathode for electrolytic reductions and method of making the same - Google Patents

Silver cathode for electrolytic reductions and method of making the same Download PDF

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Publication number
CS221544B2
CS221544B2 CS802487A CS248780A CS221544B2 CS 221544 B2 CS221544 B2 CS 221544B2 CS 802487 A CS802487 A CS 802487A CS 248780 A CS248780 A CS 248780A CS 221544 B2 CS221544 B2 CS 221544B2
Authority
CS
Czechoslovakia
Prior art keywords
silver
cathode
layer
conductor
catholyte
Prior art date
Application number
CS802487A
Other languages
Czech (cs)
English (en)
Inventor
Demetrios Kyriacou
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
Publication of CS221544B2 publication Critical patent/CS221544B2/cs

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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)
CS802487A 1979-04-13 1980-04-10 Silver cathode for electrolytic reductions and method of making the same CS221544B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
CS221544B2 true CS221544B2 (en) 1983-04-29

Family

ID=21849889

Family Applications (1)

Application Number Title Priority Date Filing Date
CS802487A CS221544B2 (en) 1979-04-13 1980-04-10 Silver cathode for electrolytic reductions and method of making the same

Country Status (21)

Country Link
US (1) US4242183A (2)
EP (1) EP0018069B1 (2)
JP (1) JPS55141585A (2)
KR (1) KR840001661B1 (2)
AR (1) AR223704A1 (2)
AU (1) AU527014B2 (2)
BR (1) BR8002257A (2)
CA (1) CA1149767A (2)
CS (1) CS221544B2 (2)
DD (1) DD150082A5 (2)
DE (1) DE3064869D1 (2)
DK (1) DK156480A (2)
ES (1) ES489966A0 (2)
GB (1) GB2051863B (2)
HU (1) HU182122B (2)
IL (1) IL59482A (2)
IN (1) IN153664B (2)
MY (1) MY8500087A (2)
NZ (1) NZ192994A (2)
SU (1) SU925254A3 (2)
ZA (1) ZA801261B (2)

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 (2) * 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
EP0018069B1 (en) 1983-09-21
ZA801261B (en) 1981-07-29
IN153664B (2) 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 (2) 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
CA1149767A (en) 1983-07-12
BR8002257A (pt) 1980-12-02
AU527014B2 (en) 1983-02-10
IL59482A0 (en) 1980-05-30
AU5590280A (en) 1980-10-16

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