Apparatus for contacting alkylate containing alkyl fluoride with hydrogen fluoride

摘要

An apparatus comprising a substantially upright vessel having the following sections: a lower acid from hydrocarbon alkylate effluent settling section, an intermediate section containing a riser conduit equipped with contacting elements, perforate disks which may be spaced apart or other means, and an upper settling section having means for introducing high purity HF therein for downflow through said riser counter-currently to the upflowing alkylate, means for removing settled alkylate from said upper settling section, and means for removing acid containing alkyl fluorides from said lower settling section.