Processes for converting C4 feeds to isobutylene, polyisobutylene, or derivatives thereof

Abstract

Embodiments described herein generally relate to new processes for converting C4 feeds to isobutylene. In an embodiment is provided a process for forming isobutylene that includes hydroisomerizing 1,3-butadiene present in a C4 feed to form a hydroisomerization product effluent comprising isobutylene and 2-butene; and forming an isobutylene feed by separating the isobutylene from the hydroisomerization product effluent. Embodiments of the present disclosure also generally relate to new processes for converting C4 feeds to polyisobutylene. In an embodiment is provided a process that includes hydroisomerizing a C4 feed comprising 1,3-butadiene in a hydroisomerization reactor to form a hydroisomerization product effluent comprising isobutylene and 2-butene; separating the isobutylene from the hydroisomerization product effluent to form a first isobutylene-containing feed; forming a reaction mixture comprising a polymerization catalyst and the first isobutylene-containing feed; and reacting the reaction mixture, in a polymerization reactor, to form a polymerization product effluent comprising polyisobutylene.

Dependencies are inferred from the claim text.