Integrated Process for Increasing Butadiene Production

摘要

A process is present for increasing the yields of 1,3 butadiene. The process includes recovering 1,3 butadiene from a cracking unit that generates a crude C4 stream. The 1,3 butadiene is separated and the remaining C4 process stream components are further reacted and dehydrogenated to generate 1,3 butadiene in a subsequent process stream. The subsequent process stream is recycled to recover the additional 1,3 butadiene.

主权项

1. A process for increasing the production of butadiene, comprising:
passing a process stream from a cracking unit to a first separation unit to generate a first process C4 stream; passing the first process C4 stream to a butadiene extraction unit to generate a butadiene stream and an isobutylene containing C4 stream; passing the isobutylene containing C4 stream to a MTBE reactor to generate an MTBE stream and a second process C4 stream; passing the second process C4 stream to a dehydrogenation unit to generate a dehydrogenation process stream comprising butadienes; and passing the dehydrogenation process stream to the butadiene extraction unit.