Reforming and isomerization process

Details Reforming and isomerization process Reforming and isomerization process

1982-01-18

1984-02-21

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 65, 208134, 585738, C10G 3504

Patent

active

044328621

ABSTRACT:
A reformate lean oil absorber is used in the downstream processing facilities of a reformer unit to remove isobutane and heavier components from a separator overhead vapor, part of which is reformer recycle gas. Stabilized reformate may be employed as lean oil to the absorber, and the fat oil is recycled to the stabilizer for isobutane recovery of isobutane and normal butane as overhead product and C.sub.5.sup.+ liquid as bottoms product. The mixed butanes are separated, and the isobutane employed as alkylation feedstock. The n-butane is recycled with the naphtha to the reformer unit, the absence of butanes in the recycle gas considerably enhancing the amount of isobutane produced in the reforming unit.

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patent: 3785955 (1974-01-01), Davis
patent: 4210771 (1980-07-01), Holcombe

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