BE450179A - - Google Patents

Info

Publication number
BE450179A
BE450179A BE450179DA BE450179A BE 450179 A BE450179 A BE 450179A BE 450179D A BE450179D A BE 450179DA BE 450179 A BE450179 A BE 450179A
Authority
BE
Belgium
Application number
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.)
Publication date
Publication of BE450179A publication Critical patent/BE450179A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/02—Obtaining noble metals by dry processes
    • C22B11/021—Recovery of noble metals from waste materials
    • C22B11/026—Recovery of noble metals from waste materials from spent catalysts
    • C22B11/028—Recovery of noble metals from waste materials from spent catalysts using solid sorbents, e.g. getters or catchment gauzes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/267—Means for preventing deterioration or loss of catalyst or for recovering lost catalyst
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
BE450179D 1942-04-24 BE450179A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE450179X 1942-04-24

Publications (1)

Publication Number Publication Date
BE450179A true BE450179A (no) 1900-01-01

Family

ID=6538366

Family Applications (2)

Application Number Title Priority Date Filing Date
BE450179D BE450179A (no) 1942-04-24
BE452298A BE452298A (fr) 1942-04-24 1943-09-14 Récupération du platine se volatilisant dans la combustion de l'ammoniaque

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE452298A BE452298A (fr) 1942-04-24 1943-09-14 Récupération du platine se volatilisant dans la combustion de l'ammoniaque

Country Status (5)

Country Link
BE (2) BE452298A (no)
CH (1) CH235560A (no)
DE (3) DE747120C (no)
FR (2) FR892074A (no)
NL (2) NL64418C (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972472C (de) * 1944-12-19 1959-07-30 Lonza Werke Elektrochemische F Verfahren zur Wiedergewinnung der aus Katalysatoren aus Platin bzw. Platinlegierungen sich verfluechtigenden Platinmetalle
DE938908C (de) * 1953-09-17 1956-02-09 Basf Ag Verfahren zur Wiedergewinnung von Edelmetallen, insbesondere Metallen der Platingruppe, aus den bei katalytischen Umsetzungen an solchen Metallen gebildeten Reaktionsgasen
US3515541A (en) * 1967-05-03 1970-06-02 Chemie Linz Ag Process for the recovery of noble metals
ES388847A1 (es) * 1970-03-05 1973-06-01 Engelhard Min & Chem Un procedimiento para la recuperacion de metales del grupo del platino arrastrados en una corriente de gases calientes que sale de un lecho de catalizador.
GB8516333D0 (en) * 1985-06-28 1985-07-31 Johnson Matthey Plc Nitric oxide

Also Published As

Publication number Publication date
FR53120E (fr) 1945-09-19
DE884639C (de) 1953-07-27
DE747120C (de) 1944-02-22
NL64335C (no) 1900-01-01
NL64418C (no) 1900-01-01
BE452298A (fr) 1943-10-30
DE878799C (de) 1953-06-05
CH235560A (de) 1944-12-15
FR892074A (fr) 1944-03-28

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