Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Patent
1994-06-23
1997-03-11
Beck, Shrive
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
502 64, 502 69, 502 71, 502 77, 502 85, B01J 2906
Patent
active
056101120
ABSTRACT:
A process for shape selective hydrocarbon conversion involves contacting a hydrocarbon feedsteam under conversion conditions with a modified catalytic molecular sieve which has been modified by being pre-selectivated with a first silicon source, then steamed. The feedstream may also contain a second silicon source which is a high efficiency para-xylene selectivating agent. The method for modifying the molecular sieve is also described.
REFERENCES:
patent: 4080284 (1978-03-01), Mitchell
patent: 4402867 (1983-09-01), Rodewald
patent: 5321183 (1994-06-01), Chang et al.
patent: 5403800 (1995-04-01), Beck et al.
patent: 5476823 (1995-12-01), Beck et al.
Lago Rudolph M.
Marler David O.
McCullen Sharon B.
Beck Shrive
Keen Malcolm D.
Meeks Timothy H.
Mobil Oil Corporation
Roberts Peter W.
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