Process for producing petroleum sulfonates

Details Process for producing petroleum sulfonates Process for producing petroleum sulfonates

B - Operations, Transporting

01

J

23/385, 260/502.

B01J 10/00 (2006.01) C07C 139/04 (1985.01)

Patent

CA 1227494

IMPROVED PROCESS FOR PRODUCING PETROLEUM SULFONATES ABSTRACT A process for producing petroleum sulfonates from a liquid hydro- carbon feedstock and gaseous sulfur trioxide. The sulfonation reactor product is a two-phase effluent, comprised of a hydrocarbon phase and a sludge phase. A sludge-free portion of the effluent containing substan- tially only the hydrocarbon phase is recycled to the reactor with the hydrocarbon feedstock while the effluent remainder containing the sludge phase and the excess unrecycled hydrocarbon phase is neutralized to recover the sulfonate product, which is utilized in a micellar system for tertiary oil recovery.

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