Process for reducing thiophenic sulfur in heavy oil

Details Process for reducing thiophenic sulfur in heavy oil Process for reducing thiophenic sulfur in heavy oil

1978-08-28

1979-10-16

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

208245, C10G 2922, C10G 2904

Patent

active

041712609

ABSTRACT:
This invention provides a method for reducing the level of thiophenic sulfur compounds in a heavy carbonaceous oil feed which involves contacting the oil feed with a C.sub.1 -C.sub.4 alkanol in the presence of a non-acidic zeolite catalyst.
The reaction equilibrium in the process favors the displacement of thiophene sulfur atoms by oxygen atoms.

REFERENCES:
patent: 1899042 (1933-02-01), Malisoff
patent: 2270058 (1942-01-01), Jones
patent: 2309653 (1943-02-01), Leum et al.
patent: 3516947 (1970-06-01), Dudzik
patent: 3835031 (1974-09-01), Bertolacini et al.

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