Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural serial stages of chemical conversion
Patent
1994-08-17
1996-12-10
McFarlane, Anthony
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Plural serial stages of chemical conversion
208 72, 208 74, 208 77, 208 78, 208 80, 208 89, 208100, 208 57, C10G 5102
Patent
active
055827110
ABSTRACT:
Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing step between the catalytic cracking reaction steps in order to maximize olefins production, distillate quality and octane level of the overall cracked product. Preferably, the hydroprocessing step is included between the reaction stages, and a portion of the hydroprocessed products, i.e., a naphtha and mid distillate fraction, is combined with cracked product for further separation and hydroprocessing. It is also preferred that the first catalytic cracking reaction step be a short contact time reaction step.
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Bienstock Martin G.
Ellis Edward S.
Gupta Ramesh
Exxon Research and Engineering Company
Griffin Walter D.
Jordan Richard D.
McFarlane Anthony
Takemoto James H.
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