ES8103783A1 - Perfeccionamientos introducidos en electrodos - Google Patents

Perfeccionamientos introducidos en electrodos

Info

Publication number
ES8103783A1
ES8103783A1 ES489966A ES489966A ES8103783A1 ES 8103783 A1 ES8103783 A1 ES 8103783A1 ES 489966 A ES489966 A ES 489966A ES 489966 A ES489966 A ES 489966A ES 8103783 A1 ES8103783 A1 ES 8103783A1
Authority
ES
Spain
Prior art keywords
silver
electrical conductor
electrolytic reduction
layer
electrodes
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
ES489966A
Other languages
English (en)
Other versions
ES489966A0 (es
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
Publication of ES8103783A1 publication Critical patent/ES8103783A1/es
Publication of ES489966A0 publication Critical patent/ES489966A0/es
Granted 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)

Abstract

ELECTRODO DE PLATA PARA LA REDUCCION ELECTROLITICA DE CLOROPIRIDINAS. COMPRENDE UN CONDUCTOR ELECTRICO CONFORMADO EN CONTACTO INTIMO, CON UNA CAPA METASTABLE DE MICROCRISTALES DE PLATA AGREGADOS, FORMADA POR REDUCCION ELECTROLITICA DE PARTICULAS DE OXIDO DE PLATA HIDRATADO COLOIDAL EN PRESENCIA DE AGUA E IONES HIDROXILO. LA CAPA DE PLATA ES UNA MASA EN POLVO CONTENIDA EN UNA ENVOLTURA PERMEABLE A LOS LIQUIDOS, QUE CONSTITUYE EL CONDUCTOR ELECTRICO.
ES489966A 1979-04-13 1980-03-27 Perfeccionamientos introducidos en electrodos Granted ES489966A0 (es)

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 (2)

Publication Number Publication Date
ES8103783A1 true ES8103783A1 (es) 1981-03-16
ES489966A0 ES489966A0 (es) 1981-03-16

Family

ID=21849889

Family Applications (1)

Application Number Title Priority Date Filing Date
ES489966A Granted ES489966A0 (es) 1979-04-13 1980-03-27 Perfeccionamientos introducidos en electrodos

Country Status (21)

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

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 (es) * 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 (es) 1984-08-04
AR223704A1 (es) 1981-09-15
KR840001661B1 (ko) 1984-10-12
GB2051863B (en) 1983-06-29
HU182122B (en) 1983-12-28
JPH0149793B2 (es) 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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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980302