Process and apparatus for contacting hydrocarbons with catalyst

Details Process and apparatus for contacting hydrocarbons with catalyst Process and apparatus for contacting hydrocarbons with catalyst

2005-12-01

2008-03-18

Caldarola, Glenn (Department: 1797)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural parallel stages of chemical conversion

C208S113000, C422S139000, C422S144000, C422S145000, C422S147000, C422S198000, C422S198000

Reexamination Certificate

active

07344634

ABSTRACT:
A reactor apparatus and process for contacting hydrocarbons with catalyst. The reactor apparatus comprises a plurality of tubular reactors each having a first end into which a catalyst is fed and a second end through which the catalyst and product exit the tubular reactor. A catalyst retention zone is provided to contain catalyst and feed catalyst to the tubular reactors. A separation zone is provided to separate the catalyst from products of a reaction conducted in the apparatus. A transport conduit having a first end in fluid communication with the second ends of at least two of the tubular reactors and a second end extending into the separation zone transports product and catalyst to the separation zone. A catalyst return in fluid communication with the separation zone and the catalyst retention zone returns catalyst to the catalyst retention zone.

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Article “A Modified FCC Process MIP for Maximizing Iso-Paraffins in Cracked Naphtha” by Xu Youhao et al., Petroleum Processing and Petrochemicals, no date.

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