GB477026A - Improvements in catalyzers and methods of preparing and using them - Google Patents

Improvements in catalyzers and methods of preparing and using them

Info

Publication number
GB477026A
GB477026A GB7807/36A GB780736A GB477026A GB 477026 A GB477026 A GB 477026A GB 7807/36 A GB7807/36 A GB 7807/36A GB 780736 A GB780736 A GB 780736A GB 477026 A GB477026 A GB 477026A
Authority
GB
United Kingdom
Prior art keywords
platinum
dehydrated
carrier
impregnation
meerschaum
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
GB7807/36A
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.)
American Platinum Works
Original Assignee
American Platinum Works
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 American Platinum Works filed Critical American Platinum Works
Publication of GB477026A publication Critical patent/GB477026A/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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds

Abstract

A catalytic agent comprises a granular, dehydrated, platinized carrier of silica gel or meerschaum or both, to which a promoter has been applied as the final stage of manufacture. Meerschaum is dehydrated by heating to 700--1000 DEG C. before impregnation with the platinum salt; silica gel may be dehydrated either before or after impregnation with the platinum. Additional carriers such as kieselguhr and cellite may be present. The platinum may contain up to 10 per cent of rhodium. After impregnation, the platinum is converted into the metallic form, e.g. in the case of platinum chloride by heating to 450--600 DEG C. which also completes if necessary the dehydration of the carrier. The platinized carrier is then treated with the promoter in the form of finely divided oxide or a suspension thereof or a salt solution. As promoters may be used oxides of metals of Groups 4 to 8, e.g. of iron, chromium, vanadium, arsenic, or sulphates of metals of Groups 1 to 3, e.g. magnesium sulphate, or mixtures of these substances. The catalysts are useful for the production of sulphur trioxide. Reference has been directed by the Comptroller to Specification 396,712.
GB7807/36A 1935-03-20 1936-03-16 Improvements in catalyzers and methods of preparing and using them Expired GB477026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US477026XA 1935-03-20 1935-03-20

Publications (1)

Publication Number Publication Date
GB477026A true GB477026A (en) 1937-12-16

Family

ID=21950455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7807/36A Expired GB477026A (en) 1935-03-20 1936-03-16 Improvements in catalyzers and methods of preparing and using them

Country Status (1)

Country Link
GB (1) GB477026A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475155A (en) * 1945-12-27 1949-07-05 Baker & Co Inc Process of producing a supported platinum metal catalyst
US2631925A (en) * 1947-02-14 1953-03-17 Baker & Co Inc Apparatus for the continuous analysis of oxygen and hydrogen
US2746937A (en) * 1951-05-01 1956-05-22 Exxon Research Engineering Co Process of preparing platinum-alumina hydroforming catalysts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475155A (en) * 1945-12-27 1949-07-05 Baker & Co Inc Process of producing a supported platinum metal catalyst
US2631925A (en) * 1947-02-14 1953-03-17 Baker & Co Inc Apparatus for the continuous analysis of oxygen and hydrogen
US2746937A (en) * 1951-05-01 1956-05-22 Exxon Research Engineering Co Process of preparing platinum-alumina hydroforming catalysts

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