Compositions – X-ray or neutron shield
Patent
1978-03-03
1979-07-03
Shine, W. J.
Compositions
X-ray or neutron shield
252461, 252475, B01J 2302, B01J 2334, B01J 2336
Patent
active
041599705
ABSTRACT:
Alkanes are catalytically converted employing a catalyst comprising at least one alkaline earth oxide together with a promoting amount of manganese oxides and/or rhenium oxide. When the catalyst is treated with an oxygen-containing gas, such as air, prior to contacting the alkanes conversion by cracking is favored. When the catalyst is treated with hydrogen prior to contacting the alkanes dehydrocyclization is favored. A composition of matter is disclosed suitable for use as a catalyst for converting alkanes.
REFERENCES:
patent: 3501395 (1970-03-01), Miale
patent: 3584060 (1971-06-01), Rausch
patent: 3658927 (1972-04-01), Crain et al.
Phillips Petroleum Company
Shine W. J.
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