Process for preparing diisopropyl ether

Details Process for preparing diisopropyl ether Process for preparing diisopropyl ether

1976-06-07

1977-08-16

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260614A, C07C 4110, C07C 4106

Patent

active

040426335

ABSTRACT:
Diisopropyl ether is prepared from isopropanol in liquid phase in contact with particular Montmorillonite clay catalysts, optionally in the presence of added propylene. The process is operated in a continuous manner by continuously feeding liquid isopropanol, optionally with added propylene, into a reaction space where the feed contacts the catalyst at 120.degree. to 250.degree. C for an average contact time of 1 to 120 minutes. Pressure is maintained in the reactor to keep a liquid phase in contact with the solid catalyst. Effluent withdrawn continuously from the reaction space at the feed rate is separated by fractionation to recover diisopropyl ether.

REFERENCES:
patent: 2067385 (1937-01-01), Evans et al.
patent: 2148288 (1939-02-01), Bent
patent: 2282469 (1942-05-01), Frolich
patent: 2805261 (1957-09-01), Keith
patent: 2845463 (1958-07-01), Friedman et al.
patent: 3440293 (1969-04-01), Russcup et al.
Evans et al., Ind. & Eng. Chem., vol. 28, No. 10, 1186-1188.
Runge et al., Chem. Abst., 48, 2353i, 1954, Brennstaff Chem. 34, 330-333, 1953.

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