Production of tertiary olefins

Details Production of tertiary olefins Production of tertiary olefins

1986-07-14

1987-09-01

Pal, Asok

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

C07C 120

Patent

active

046910735

ABSTRACT:
High purity tertiary olefins are obtained in extremely high yields over a sustained period by cracking alkyl tert-alkyl ethers over clay catalysts which have been treated with HF and/or HC1. Preferably temperature are 100.degree.-250.degree. C., the surface area of the catalyst is above 40 M.sup.2 /gm and the cracking step is part of a process for recovering isobutylene or isoamylene from steam cracked streams.

REFERENCES:
patent: 3637889 (1982-01-01), Watanabe et al.
patent: 4320232 (1982-03-01), Volkamer et al.
patent: 4343959 (1982-08-01), Kida et al.
patent: 4398051 (1983-08-01), Araki et al.
patent: 4524290 (1981-03-01), Chambers et al.
W. D. Keller, "Clays (Survey)", Kirk-Othmer Encyclopedia of Chemical Technology, Third Edition, vol. 6, 1979, pp. 190-207, John Wiley & Sons (New York).

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