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Expired
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GB33408/35A
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Publication of GB466721ApublicationCriticalpatent/GB466721A/en
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
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Chemical & Material Sciences
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Organic Chemistry
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Engineering & Computer Science
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Chemical Kinetics & Catalysis
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Materials Engineering
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Inorganic Chemistry
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Catalysts
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Abstract
A mixture of the sulphates of magnesium, aluminium, and iron is used as a support for a platinum catalyst in sulphuric acid manufacture. The magnesium sulphate should predominate and may comprise 75 per cent of the mixture.
GB33408/35A1934-11-301935-12-02Improvements in or relating to the manufacture of sulphuric acid
ExpiredGB466721A
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