Heat balance control in catalytic dehydrogenation of isobutane

Details Heat balance control in catalytic dehydrogenation of isobutane Heat balance control in catalytic dehydrogenation of isobutane

1985-05-07

1985-12-24

Gantz, D. E.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585654, C07C 538

Patent

active

045608245

ABSTRACT:
This invention relates to an improvement in a process for producing isobutylene by the cyclic, adiabatic dehydrogenation of isobutane. The improvement resides in diluting an isobutane feed stream with n-butane in an amount from about 3-7% by volume and recycling unreacted products plus nC.sub.4 unsaturates from the dehydrogenation zone. Additional coke is made by virtue of the use of n-butane and recycle to permit lower feed input temperature.

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