Process for separation of indole using X and Y type zeolites

Details Process for separation of indole using X and Y type zeolites Process for separation of indole using X and Y type zeolites

1980-10-16

1982-11-02

Springer, David B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260708, 252454, 252457, 252459, 252455Z, C07D20908, C07D20906

Patent

active

043572766

ABSTRACT:
A process for separating indole from a mixture of indole with at least one hydrocarbon or its derivative which comprises the steps of contacting the mixture with a faujasite structured zeolite to selectively adsorb indole on the zeolite and contacting a desorbent A selected from the group consisting of C.sub.2-10 aliphatic or C.sub.7-10 aromatic ether compounds, C.sub.2-10 aliphatic ester compounds and C.sub.3-10 aliphatic ketone compounds with the indole-adsorbed zeolite to separate indole and the process which comprises, in addition, the step of contacting at least one desorbent B of the formula, ##STR1## wherein R.sup.1 is a C.sub.1-3 alkyl group, and

REFERENCES:
patent: 3005826 (1961-10-01), Fleck et al.
patent: 3159632 (1964-12-01), Sargent et al.

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