Isomerization with improved RVP and C4 recovery

Details Isomerization with improved RVP and C4 recovery Isomerization with improved RVP and C4 recovery

1993-03-11

1994-07-05

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By isomerization

585748, C07C 513

Patent

active

053269268

ABSTRACT:
A process for the isomerization of C.sub.4 -C.sub.6 paraffins that separates a low boiling or overhead fraction from a stabilizer in a stripping zone and provides a low RVP isomerization product and simplifies the recovery of LPG components. The process also lowers energy costs and capital investment for recovery of LPG components that are otherwise lost with the production of low RVP isomerization products. When used with a chloride promoted catalyst, the arrangement of this invention permits recovery of a low RVP isomerate product while reducing or eliminating corrosion problems associated with a condensation of overhead products to produce stream containing liquid HCl.

REFERENCES:
patent: 4347399 (1982-08-01), Rice
patent: 5146037 (1992-09-01), Zarchy et al.

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