DK141277B - Fremgangsmåde til elektrokemisk fremstilling af sølvkatalysatorer. - Google Patents

Fremgangsmåde til elektrokemisk fremstilling af sølvkatalysatorer. Download PDF

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Publication number
DK141277B
DK141277B DK374872AA DK374872A DK141277B DK 141277 B DK141277 B DK 141277B DK 374872A A DK374872A A DK 374872AA DK 374872 A DK374872 A DK 374872A DK 141277 B DK141277 B DK 141277B
Authority
DK
Denmark
Prior art keywords
silver
cell
solution
cathode
anode
Prior art date
Application number
DK374872AA
Other languages
Danish (da)
English (en)
Other versions
DK141277C (pt
Inventor
Bruno Notari
Luigi Rivola
Vittorio Mormino
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of DK141277B publication Critical patent/DK141277B/da
Application granted granted Critical
Publication of DK141277C publication Critical patent/DK141277C/da

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48Silver or gold
    • B01J23/50Silver
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/348Electrochemical processes, e.g. electrochemical deposition or anodisation
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C5/00Electrolytic production, recovery or refining of metal powders or porous metal masses
    • C25C5/02Electrolytic production, recovery or refining of metal powders or porous metal masses from solutions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Catalysts (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electroplating Methods And Accessories (AREA)
DK374872AA 1971-07-31 1972-07-28 Fremgangsmåde til elektrokemisk fremstilling af sølvkatalysatorer. DK141277B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2702271 1971-07-31
IT2702271 1971-07-31

Publications (2)

Publication Number Publication Date
DK141277B true DK141277B (da) 1980-02-18
DK141277C DK141277C (pt) 1980-08-11

Family

ID=11220791

Family Applications (1)

Application Number Title Priority Date Filing Date
DK374872AA DK141277B (da) 1971-07-31 1972-07-28 Fremgangsmåde til elektrokemisk fremstilling af sølvkatalysatorer.

Country Status (25)

Country Link
US (1) US3836436A (pt)
JP (1) JPS5639932B1 (pt)
AT (1) AT322514B (pt)
AU (1) AU470570B2 (pt)
BE (1) BE786623A (pt)
BR (1) BR7205136D0 (pt)
CA (1) CA1005388A (pt)
CH (1) CH545653A (pt)
CS (1) CS168601B2 (pt)
DD (1) DD98211A5 (pt)
DE (1) DE2237574C3 (pt)
DK (1) DK141277B (pt)
ES (1) ES405711A1 (pt)
FR (1) FR2148028B1 (pt)
GB (1) GB1393689A (pt)
LU (1) LU65795A1 (pt)
NL (1) NL161509C (pt)
NO (1) NO131776C (pt)
PL (1) PL82002B1 (pt)
RO (1) RO61157A (pt)
SE (1) SE371938B (pt)
SU (1) SU444351A3 (pt)
TR (1) TR18002A (pt)
YU (1) YU34574B (pt)
ZA (1) ZA725196B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2520219C3 (de) * 1975-05-07 1983-02-24 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Formaldehyd
SE8504290L (sv) * 1985-09-16 1987-03-17 Boliden Ab Forfarande for selektiv utvinning av bly ur komplexa sulfidmalmer
US5413987A (en) * 1994-01-24 1995-05-09 Midwest Research Institute Preparation of superconductor precursor powders
EP0672765B1 (en) * 1994-03-14 1999-06-30 Studiengesellschaft Kohle mbH Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed metal clusters by electrochemical reduction of metal salts
US5462647A (en) * 1994-09-09 1995-10-31 Midwest Research Institute Preparation of lead-zirconium-titanium film and powder by electrodeposition
ATE193226T1 (de) * 1995-03-15 2000-06-15 Basf Ag Verfahren zur herstellung von phosphordotierten silberkatalysatoren
US5785837A (en) * 1996-01-02 1998-07-28 Midwest Research Institute Preparation of transparent conductors ferroelectric memory materials and ferrites
DE19835481A1 (de) 1998-08-07 2000-02-17 Bayer Ag Verfahren zur Oxidation von Kohlenwasserstoffen
DE19912896A1 (de) * 1999-03-23 2000-09-28 Daimler Chrysler Ag Verfahren zur Herstellung eines Katalysators
PL377451A1 (pl) * 2005-10-05 2007-04-16 Instytut Wysokich Ciśnień PAN Sposób prowadzenia reakcji i reaktor chemiczny
DE102014204372A1 (de) 2014-03-11 2015-09-17 Bayer Materialscience Ag Verfahren zur Herstellung von katalytisch aktiven Pulvern aus metallischem Silber oder aus Mischungen aus von metallischem Silber mit Silberoxid zur Herstellung von Gasdiffusionselektroden

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2216167A (en) * 1936-08-24 1940-10-01 Gen Metals Powder Company Method of producing metal powders
SU129447A1 (ru) * 1959-09-15 1959-11-30 В.И. Семерюк Способ электролитического получени порошка серебра из нерастворимых соединений
DE1188822B (de) * 1964-04-24 1965-03-11 Agfa Ag Verfahren und Vorrichtung zur elektrolytischen Silberrueckgewinnung aus gebrauchten fotografischen Behandlungsfluessigkeiten

Also Published As

Publication number Publication date
US3836436A (en) 1974-09-17
AU4447272A (en) 1974-01-17
RO61157A (pt) 1977-01-15
DD98211A5 (pt) 1973-06-12
DK141277C (pt) 1980-08-11
TR18002A (tr) 1976-08-20
FR2148028A1 (pt) 1973-03-11
NL161509B (nl) 1979-09-17
CH545653A (pt) 1974-02-15
NL161509C (nl) 1980-02-15
BR7205136D0 (pt) 1973-06-14
SE371938B (pt) 1974-12-09
JPS5639932B1 (pt) 1981-09-17
YU191272A (en) 1979-04-30
DE2237574A1 (de) 1973-02-22
BE786623A (fr) 1973-01-24
DE2237574C3 (de) 1975-02-27
DE2237574B2 (de) 1974-07-04
NO131776C (pt) 1975-07-30
FR2148028B1 (pt) 1976-01-16
SU444351A3 (ru) 1974-09-25
ZA725196B (en) 1973-04-25
AU470570B2 (en) 1976-03-18
CA1005388A (en) 1977-02-15
PL82002B1 (pt) 1975-10-31
NL7210498A (pt) 1973-02-02
LU65795A1 (pt) 1972-11-28
ES405711A1 (es) 1975-09-01
GB1393689A (en) 1975-05-07
CS168601B2 (pt) 1976-06-29
AT322514B (de) 1975-05-26
YU34574B (en) 1979-10-31
NO131776B (pt) 1975-04-21

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