Method for desulfurization and oxidation of carbonaceous fuels

Details Method for desulfurization and oxidation of carbonaceous fuels Method for desulfurization and oxidation of carbonaceous fuels

1982-01-22

1983-08-02

Favors, Edward G.

Liquid heaters and vaporizers

Gas-producer

44 15R, 48 77, 48210, 110229, 201 17, C10J 100

Patent

active

043959750

ABSTRACT:
A method for desulfurization and oxidation of carbonaceous fuels including a two stage oxidation technique. The carbonaceous fuel, along with an oxygen-containing gas is introduced into a first stage partial oxidation unit containing molten slag maintained at a temperature of about 2200.degree.-2600.degree. F. A flux may also be introduced into the first stage partial oxidation unit for the purpose of maintaining the viscosity of the molten slag at a value no greater than about 10 poise. The carbonaceous fuel is gasified, and sulfur is chemically bound and captured in the molten slag. The combustible gas derived from partial oxidation and gasification is directed along a substantially horizontal path to a second stage oxidation unit for final combustion. The sulfur-containing slag is removed to a water-sealed quench system for disposal.

REFERENCES:
patent: 3818869 (1974-06-01), Blaskowski
patent: 4017271 (1977-04-01), Barclay
patent: 4285283 (1981-08-01), Lyoh et al.

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