Patent ID: 7935320

Claim:
A system comprising: a) an alkylation reactor; b) a settler, having an upper portion, an intermediate portion, and a lower portion wherein said intermediate portion contains at least one tray system comprising a perforated tray defining a plurality of perforations and a layer of packing below said perforated tray; c) a feed conduit operably related in fluid flow communication to said alkylation reactor; d) a settler feed conduit operably related in fluid flow communication to said alkylation reactor and to said intermediate portion of said settler at a location below said lower-most tray system; e) an HF feed conduit operably related in fluid flow communication to said intermediate portion of said settler at a location above said upper-most tray system; f) an alkylate containing product conduit operably related in fluid flow communication to said upper portion of said settler; and g) an alkylation catalyst conduit operably related in fluid flow communication to said lower portion of said settler and to said alkylation reactor.