GB573961A - Improvements in and relating to catalysts - Google Patents

Improvements in and relating to catalysts

Info

Publication number
GB573961A
GB573961A GB677643A GB677643A GB573961A GB 573961 A GB573961 A GB 573961A GB 677643 A GB677643 A GB 677643A GB 677643 A GB677643 A GB 677643A GB 573961 A GB573961 A GB 573961A
Authority
GB
United Kingdom
Prior art keywords
treatment
catalysts
relating
sulphur dioxide
horsley
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
GB677643A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB677643A priority Critical patent/GB573961A/en
Publication of GB573961A publication Critical patent/GB573961A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/78—Preparation by contact processes characterised by the catalyst used
    • C01B17/79—Preparation by contact processes characterised by the catalyst used containing vanadium
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8906—Iron and noble metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

573,961. Catalysts. HORSLEY, G. F., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. April 29, 1943, No. 6776. [Class 1 (i)] A platinum catalyst for the oxidation of sulphur dioxide. is activated or reactivated by treatment with a solution obtained by the action of sulphur dioxide on metallic iron in presence of water. The treatment may be preceded by treatment, with nitric acid.
GB677643A 1943-04-29 1943-04-29 Improvements in and relating to catalysts Expired GB573961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB677643A GB573961A (en) 1943-04-29 1943-04-29 Improvements in and relating to catalysts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB677643A GB573961A (en) 1943-04-29 1943-04-29 Improvements in and relating to catalysts

Publications (1)

Publication Number Publication Date
GB573961A true GB573961A (en) 1945-12-14

Family

ID=9820527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB677643A Expired GB573961A (en) 1943-04-29 1943-04-29 Improvements in and relating to catalysts

Country Status (1)

Country Link
GB (1) GB573961A (en)

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