Process for producing diisopropyl ether with removal of acid mat

Details Process for producing diisopropyl ether with removal of acid mat Process for producing diisopropyl ether with removal of acid mat

1994-09-26

1996-04-02

Dees, Jose G.

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

Organic compounds

Oxygen containing

568697, 568699, C07C 4101, C07C 4304

Patent

active

055042570

ABSTRACT:
A process for the production of diisopropyl ether where acid is removed, without extraction, from the reactor effluent before being recycled to the reactor or being passed to downstream processing units has been developed. The process involves (1) reacting propylene and water to produce isopropyl alcohol in a reactor and reacting the isopropyl alcohol with propylene to produce diisopropyl ether in the presence of an acidic ion exchange resin catalyst to afford a reactor effluent stream containing at least water, isopropyl alcohol, diisopropyl ether, propylene, and acid, (2) passing the reactor effluent to an acid removal zone to produce an acid-depleted stream, (3) dividing the acid-depleted stream into two portions, and (4) recycling a portion to the reactor and collecting a portion.

REFERENCES:
patent: 4182914 (1980-01-01), Imaizumi
patent: 5200487 (1993-04-01), Lagarde et al.
patent: 5371154 (1994-12-01), Brandvold et al.
patent: 5371301 (1994-12-01), Marker et al.
patent: 5399788 (1995-03-01), Marker
Neier, W., Woellner, J., Use Cation Catalyst for IPA, Hydrocarbon Processing, Nov. 1972.

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