Production of fuel gas

Details Production of fuel gas Production of fuel gas

1998-06-17

2000-04-18

Willis, Prince

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75443, 75494, 75503, 75958, 48197R, C21B 1102, C21B 1302

Patent

active

06051048&

ABSTRACT:
A first, solid, carbon-containing fuel is gasified and iron is melted in a gasifier-melter. A first flow of resulting fuel gas is employed to form the iron in a vertical shaft furnace by direct reduction of iron ore. A second flow of resulting fuel gas is mixed with fuel gas produced by separately gasifying a second carbon-containing fuel in a second gasifier, in which no iron is melted and which supplies essentially no carbonaceous solid fuel to the first gasification stage. This mixing helps to dampen fluctuations in the flow rate of the second flow of the resulting fuel gas.

REFERENCES:
patent: 4690387 (1987-09-01), Rockenschaub et al.
patent: 5413622 (1995-05-01), Greenwalt
patent: 5431710 (1995-07-01), Ebenfelt
patent: 5855631 (1999-01-01), Leas

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