Desulfurization of hydrocarbon streams

Details Desulfurization of hydrocarbon streams Desulfurization of hydrocarbon streams

1993-03-08

1995-03-28

Myers, Helane

Mineral oils: processes and products

Refining

Sulfur removal

208213, 208227, 4232453, 42324411, 42324409, C10G 4512

Patent

active

054013917

ABSTRACT:
A process for desulfurizing a hydrocarbon stream which includes at least 100 ppmw sulfur in the form of organic sulfur compounds, and C.sub.4 -hydrocarbons. The hydrocarbon stream is contacted in the absence of added hydrogen with a fluidized bed of an acidic catalyst having a structure of ZSM-5, ZSM-11, ZSM-22, ZSM-23, ZSM-35, ZSM-48, MCM-22, MCM-36, MCM-49, zeolite Y, zeolite beta or mixtures thereof to convert the organic sulfur compounds to hydrogen sulfide. The catalyst contacts the hydrocarbon stream at a pressure of from 0.0 psig to about 400 psig, a temperature of from about 400.degree. F. to about 900.degree. F., and a weight hourly space velocity of from about 0.1 hr..sup.-1 to about 10.0 hr..sup.-1. Thereafter, the hydrogen sulfide is removed from the hydrocarbon stream.

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