Desulfurizing fossil fuels

Details Desulfurizing fossil fuels Desulfurizing fossil fuels

1978-06-16

1980-07-01

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Sulfur removal

208235, 423561A, 423562, 423563, 423571, C10G 1900, C10G 3400, C01B 1700, C01B 1716

Patent

active

042105269

ABSTRACT:
Hydrated alkali metal sulfides used to remove sulfur from fossil fuels to form alkali metal polysulfides which are recycled to alkali metal sulfides and elemental sulfur by thermal or thermal reduced pressure decomposition of the alkali metal polysulfides or by conversion of the hydrolysis products entirely by H.sub.2 S.

REFERENCES:
patent: 1656563 (1928-01-01), Koppe
patent: 1783723 (1930-12-01), Langheinrich
patent: 4018572 (1977-04-01), Swanson

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