Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Patent
1992-11-09
1994-02-15
Dees, Carl F.
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
208111, B01J 2908
Patent
active
052866920
ABSTRACT:
A mild hydrocracking catalyst contains amorphous matrix, zeolite, at least one metal compound selected from Group VIB and at least one metal compound selected from Group VIII. The catalyst is characterized in that the incorporated REUHP zeolite has dual pore distribution at <20 .ANG. and around 200 .ANG. and 3-10 percent by weight lanthanum, cerium, or mixed rare earth oxide. The amorphous matrix is .gamma.-Al.sub.2 O.sub.3 in which 80% total pore volume is contributed by pores having a diameter larger than 50 .ANG. and 60% total pore volume is contributed by pores having a diameter in the range of 50-100 .ANG.. A phosphorus promoter may be incorporated into the catalyst of this invention. The atom ratio of VIII/(VIII+VIB) in the catalyst is in the range of 0.2-0.8. The catalyst of this invention is especially suitable for one-stage once-through mild hydrocracking of heavy oil boiling above 350.degree. C. The tail oil boiling above 350.degree. C. is a high-quality feedstock for steam cracking.
REFERENCES:
patent: 4259212 (1981-03-01), Gladrow et al.
patent: 4584287 (1986-04-01), Ward
patent: 4632749 (1986-12-01), Hilfman
patent: 4894142 (1990-01-01), Steigleder
Chen Xiaogang
Hou Yuduo
Liu Jiduan
Peng Quanzhu
Zhao Yan
China Petro-Chemical Corporation
Dees Carl F.
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