Method of reducing inorganic and organic sulfur in solid carbona

Details Method of reducing inorganic and organic sulfur in solid carbona Method of reducing inorganic and organic sulfur in solid carbona

1993-03-18

1995-01-17

Niebling, John

Fuel and related compositions

Coal treating process or product thereof

Removal of undesirable

44624, 44625, C10L 500

Patent

active

053822676

ABSTRACT:
The inorganic and organic desulfurization of solid carbonaceous material at elevated temperatures is increased significantly in the presence of copper. The copper serves as a scavenger for the hydrogen sulfide formed to insure a low hydrogen sulfide concentration for the inorganic desulfurization. In addition, in the presence of ethanol or hydrogen, the organic desulfurization of solid carbonaceous material is improved dramatically by the catalytic influence of the copper on the ethanol dehydrogenization and of the copper sulfide formed on the hydrodesulfurization reactions.

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patent: 3816301 (1974-06-01), Sorgenti
patent: 4441886 (1984-04-01), Muchmore et al.
patent: 4491454 (1985-01-01), Lompa-Krzymien
patent: 4797137 (1989-01-01), Sutton
patent: 4810362 (1989-03-01), Sutton
patent: 4888029 (1989-12-01), Shiley et al.

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