GB197199A - Improvements in catalysts more particularly for the synthesis of ammonia - Google Patents

Improvements in catalysts more particularly for the synthesis of ammonia

Info

Publication number
GB197199A
GB197199A GB13835/22A GB1383522A GB197199A GB 197199 A GB197199 A GB 197199A GB 13835/22 A GB13835/22 A GB 13835/22A GB 1383522 A GB1383522 A GB 1383522A GB 197199 A GB197199 A GB 197199A
Authority
GB
United Kingdom
Prior art keywords
iron
eliminated
ammonia
heated
hydrogen
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
GB13835/22A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB13835/22A priority Critical patent/GB197199A/en
Publication of GB197199A publication Critical patent/GB197199A/en
Expired legal-status Critical Current

Links

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • 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
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

A catalytic material is prepared by injecting oxygen under pressure into heated iron or an alloy of iron with manganese, chromium, molybdenum, tungsten, carbon and the like, until the mass is brought into a state of violent ebullition and part of the oxidation product is vapourized away. Any impurities present in the starting material which are detrimental to catalysis are thereby eliminated. The cooled product may be reduced to the metallic state with hydrogen or nitrogen-hydrogen mixture. The catalysts are for use more particularly in the synthesis of ammonia, but may be employed for other catalytic operations such as the oxidation of ammonia to nitric acid or of carbon monoxide to carbon dioxide or for the production of hydrogen from water and carbon monoxide. The process may also be applied to the regeneration of iron or iron alloys whose catalytic efficiency has become impaired. According to the example, oxygen is forced through a hole in the bottom of a magnesia crusible containing turnings of impure iron or molybdenum steel together with lime, the turnings being heated to a temperature below that of fusion; the reaction proceeds with almost explosive violence and is stopped when 5 to 15 per cent of the oxidation product has been eliminated by the excess of oxygen; on cooling, the resulting iron oxide is crushed and either used as such or reduced to the metal.ALSO:A catalytic material is prepared by injecting oxygen under pressure into heated iron or iron alloy until the mass is brought into a state of violent ebullition and part of the oxidation product is vaporized away. Any impurities present in the starting material which are detrimental to catalysis are thereby eliminated.
GB13835/22A 1922-05-16 1922-05-16 Improvements in catalysts more particularly for the synthesis of ammonia Expired GB197199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB13835/22A GB197199A (en) 1922-05-16 1922-05-16 Improvements in catalysts more particularly for the synthesis of ammonia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13835/22A GB197199A (en) 1922-05-16 1922-05-16 Improvements in catalysts more particularly for the synthesis of ammonia

Publications (1)

Publication Number Publication Date
GB197199A true GB197199A (en) 1923-05-10

Family

ID=10030220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13835/22A Expired GB197199A (en) 1922-05-16 1922-05-16 Improvements in catalysts more particularly for the synthesis of ammonia

Country Status (1)

Country Link
GB (1) GB197199A (en)

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