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Purification of a hydrocarbon feedstock using a zeolite adsorbent

Patent ·
OSTI ID:6418990

A process is described for purifying a hydrocarbon feedstock which contains at least one contaminant comprising aromatic compounds, said process comprising the consecutive steps of: (a) contacting a liquid feed stream of said hydrocarbon feedstock with an adsorbent comprising a zeolite under conditions suitable for the adsorption of said aromatic compounds by said zeolite to produce an aromatic compound-loaded zeolite; and (b) desorbing said aromatic compound-loaded zeolite using a desorbent comprising at least about 95% toluene.

Assignee:
Exxon Chemical Patents Inc., Linden, NJ (United States)
Patent Number(s):
A; US 5220099
Application Number:
PPN: US 7-238854
OSTI ID:
6418990
Country of Publication:
United States
Language:
English