Alkylation process

Details Alkylation process Alkylation process

1995-12-01

1997-10-07

McAvoy, Ellen M.

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

585720, C07C 262

Patent

active

056750536

ABSTRACT:
Improved process for the supported liquid phase alkylation of an aliphatic hydrocarbon feedstock in the presence of a fluorinated sulphonic acid catalyst with an olefinic alkylating agent in a reactor containing a fixed bed of particular polar contact material, wherein a reaction zone with the fluorinated sulphonic acid catalyst is moveable established by absorbing the acid catalyst within a confined area of the contact material and passing a process stream of the aliphatic hydrocarbon feedstock and the olefinic alkylating agent through the reactor and the reaction zone, and withdrawing an alkylated product stream from the reactor, wherein the improvement comprises introduction of the fluorinated sulphonic acid alkylation catalyst into the reactor dissolved in a hydrocarbon solvent comprises C.sub.3 -C.sub.9 hydrocarbons and adsorption of the acid catalyst in the solution of the hydrocarbon solvent on the contact material at inlet end of the reactor.

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patent: 5202518 (1993-04-01), Del Rossi
patent: 5220095 (1993-06-01), Hommeltoft et al.
patent: 5245100 (1993-09-01), Hommeltoft et al.
patent: 5475184 (1995-12-01), Joly et al.
patent: 5498820 (1996-03-01), Hommeltoft

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