Process for the manufacture of methyl t-butyl ether

Details Process for the manufacture of methyl t-butyl ether Process for the manufacture of methyl t-butyl ether

1984-10-29

1985-10-08

Mars, Howard T.

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

Organic compounds

Oxygen containing

585314, 585662, C07C 4105

Patent

active

045462046

ABSTRACT:
The invention concerns a process for the manufacture of methyl t-butyl ether in which: a hydrocarbon feedstock is cracked to give an ethylene-rich stream; an isobutane-rich stream is separated from C.sub.4 -hydrocarbon stream; the ethylene-rich stream and the isobutane-rich stream are contacted over a transhydrogenation catalyst to give a mixture comprising ethane and isobutene; the isobutene is reacted with methanol to give methyl t-butyl ether; and the residual C.sub.4 -hydrocarbon stream is recycled either to the C.sub.4 -hydrocarbon stream or to the cracker and the ethane is recycled to the cracker.
It has been found that combining and interconnecting a hydrocarbon cracker, a transhydrogenation reactor and an etherification reactor results in an integrated, economic process for the production of methyl t-butyl ether.

REFERENCES:
patent: 4329516 (1982-05-01), Al-Muddarris
patent: 4423251 (1983-12-01), Pujado et al.

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