C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/713, 252/52.
C07C 11/04 (2006.01) B01J 21/06 (2006.01) B01J 21/14 (2006.01) B01J 23/34 (2006.01) C07C 4/06 (2006.01) C07C 4/10 (2006.01) C07C 5/32 (2006.01)
Patent
CA 1260916
Abstract of the Disclosure Compositions of matter comprise oxides of silicon, aluminum and/or titanium mixed with combinations of manganese oxide and magnesium oxide; iron oxide and magnesium oxide; calcium, strontium, barium, tin and/or antimony oxides, manganese oxide and magnesium oxide, and iron oxide, manganese oxide and magnesium oxide. These compositions are particulary useful as catalysts for selectively converting propane and butanes to ethylene and ethane and particularly to ethlyene. A method for converting propane and butanes to less saturated hydrocarbons is also disclosed in which the catalyst life is extended and the selectivity to ethylene and ethane, particularly ethylene, is improved by carrying out the contacting with the catalyst in the presence of steam, when the catalyst contains an oxide of iron and, optionally, when the catalyst does not contain an oxide of iron.
509989
Delzer Gary A.
Kolts John H.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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