Adsorbent for the separation of ethanol from ethyl tert.-alkyl e

Details Adsorbent for the separation of ethanol from ethyl tert.-alkyl e Adsorbent for the separation of ethanol from ethyl tert.-alkyl e

1994-11-14

1995-12-12

Wu, Shean

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568697, C07C 4134

Patent

active

054751500

ABSTRACT:
The present invention relates to a process for the separation of ethanol from a mixture thereof with ethyl tert.-alkyl ether employing a selective adsorbent comprising a mixture of sodium zeolite Y in combination with alumina wherein the percentage of the sodium zeolite Y ranges between 10 and 40 wt-%. The invention reduces the cost of this separation which is complicated by an azeotrope formation between the alcohol and the ether.

REFERENCES:
patent: 3726942 (1973-04-01), Louder
patent: 4219678 (1980-08-01), Obenaus et al.
patent: 4447653 (1984-05-01), Vora
patent: 4575567 (1986-03-01), Vora
patent: 4605787 (1986-08-01), Chu et al.
patent: 4857664 (1989-08-01), Huang et al.
patent: 4876394 (1989-10-01), Nagji et al.

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