Selective sorption by zeolites

Details Selective sorption by zeolites Selective sorption by zeolites

1981-09-30

1984-04-24

Kaplan, G. L.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

208310Z, 585820, 585826, 585829, C07C 712

Patent

active

044449860

ABSTRACT:
An improved hydrocarbon separation process by the selective sorption properties of certain members of a novel class of zeolites is provided. The novel class of zeolites is characterized by a silica to alumina mole ratio greater than 12 and a Constraint Index within the approximate range of greater than about 2 to about 12. The process of this invention involves selective separation of higher molecular weight hydrocarbon compounds in admixture with lower molecular weight hydrocarbon compounds within a homolgous series by contacting the respective mixture with a zeolite having a SiO.sub.2 /Al.sub.2 O.sub.3 mole ratio of at least about 12 and a Constraint Index with the approximate range of greater than 2 to about 12, to effect the selective sorption of said higher molecular weight hydrocarbon compounds by said zeolite.

REFERENCES:
patent: 3350471 (1967-10-01), Mitchell
patent: 3699182 (1972-10-01), Cattanach
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3709979 (1973-01-01), Chu

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