Classifications

• • 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
  • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
  • B01J19/0006—Controlling or regulating processes
  • B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
• • 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
• • 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
• • 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

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Inorganic Chemistry (AREA)
• Manufacturing & Machinery (AREA)
• Mechanical Engineering (AREA)
• Metallurgy (AREA)
• Catalysts (AREA)
• Sampling And Sample Adjustment (AREA)
• Solid-Sorbent Or Filter-Aiding Compositions (AREA)
• Separation By Low-Temperature Treatments (AREA)
• Superconductors And Manufacturing Methods Therefor (AREA)
• Sewage (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=10571067

Family Applications (1)

Country Status (7)

Families Citing this family (3)

Family Cites Families (4)

• 1984
  • 1984-12-12 GB GB8431364A patent/GB8431364D0/en active Pending
• 1985
  • 1985-12-10 DK DK570085A patent/DK570085A/da not_active Application Discontinuation
  • 1985-12-10 FI FI854872A patent/FI854872A/fi not_active Application Discontinuation
  • 1985-12-11 NO NO854969A patent/NO854969L/no unknown
  • 1985-12-11 EP EP19850309000 patent/EP0185510A3/en active Pending
  • 1985-12-11 PT PT81653A patent/PT81653B/pt not_active IP Right Cessation
  • 1985-12-12 JP JP60278068A patent/JPS61191507A/ja active Pending

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