Butadiene extraction pre-absorber
KJ Schwint, RJ Brummer - US Patent 10,081,581, 2018 - Google Patents
A process for recovering butadiene from a C 4 fraction is disclosed. The process may
include: contacting a mixed C 4 stream comprising butane, butene, and butadiene, with a …
include: contacting a mixed C 4 stream comprising butane, butene, and butadiene, with a …