Conversion of HF alkylation units for ionic liquid catalyzed alkylation processes

摘要

Methods for converting an H2SO4 alkylation unit to an ionic liquid alkylation system configured for performing ionic liquid catalyzed alkylation processes may comprise connecting at least one component configured for ionic liquid catalyzed alkylation to at least one component of the H2SO4 alkylation unit, wherein the at least one component of the H2SO4 alkylation unit is retained, modified or adapted for use in the ionic liquid alkylation system. Ionic liquid catalyzed alkylation systems derived from existing conventional alkylation units, and ionic liquid catalyzed alkylation processes are also disclosed.

主权项

1. A method for converting a sulfuric acid alkylation unit to an ionic liquid alkylation system, the method comprising:
a) providing an ionic liquid specific sub-system comprising an ionic liquid alkylation reactor and an ionic liquid/hydrocarbon separation unit configured for separating an alkylation reactor effluent of the ionic liquid alkylation reactor into a hydrocarbon phase and an ionic liquid phase, wherein the ionic liquid/hydrocarbon separation unit comprises a primary separator vessel and an ionic liquid coalescer; b) connecting at least one component of the ionic liquid specific sub-system to at least one component of the sulfuric acid alkylation unit; c) connecting the primary separator vessel to the ionic liquid coalescer for feeding the hydrocarbon phase from the primary separator vessel to the ionic liquid coalescer; and d) connecting the ionic liquid coalescer to the fractionation unit for feeding the hydrocarbon phase from the ionic liquid coalescer to the fractionation unit.