NL64418C - - Google Patents

Info

Publication number
NL64418C
NL64418C NL64418DA NL64418C NL 64418 C NL64418 C NL 64418C NL 64418D A NL64418D A NL 64418DA NL 64418 C NL64418 C NL 64418C
Authority
NL
Netherlands
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
Application granted granted Critical
Publication of NL64418C publication Critical patent/NL64418C/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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Catalysts (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
NL64418D 1942-04-24 NL64418C (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL64418C true NL64418C (xx) 1900-01-01

Family

ID=6538366

Family Applications (2)

Application Number Title Priority Date Filing Date
NL64418D NL64418C (xx) 1942-04-24
NL64335D NL64335C (xx) 1942-04-24

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL64335D NL64335C (xx) 1942-04-24

Country Status (5)

Country Link
BE (2) BE452298A (xx)
CH (1) CH235560A (xx)
DE (3) DE747120C (xx)
FR (2) FR892074A (xx)
NL (2) NL64335C (xx)

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
FR892074A (fr) 1944-03-28
BE450179A (xx) 1900-01-01
DE878799C (de) 1953-06-05
FR53120E (fr) 1945-09-19
NL64335C (xx) 1900-01-01
CH235560A (de) 1944-12-15
DE747120C (de) 1944-02-22
DE884639C (de) 1953-07-27
BE452298A (fr) 1943-10-30

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