Integrated drying of feedstock feed to IGCC plant

Details Integrated drying of feedstock feed to IGCC plant Integrated drying of feedstock feed to IGCC plant

1995-02-09

1997-11-11

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3912, F02C 328

Patent

active

056851383

ABSTRACT:
In a combined cycle gasification plant, high pressure fuel gas from the gasification unit is heated prior to combustion, and is then used to dry the feedstock. The moist fuel gas from the drying operation is combusted to drive the turbine. Alternatively, high-pressure inert gas such as nitrogen is heated in the gasification unit and is then used to dry the coal feed. Some of the moist inert gas is recycled, and some if it is passed to the combustion turbine.

REFERENCES:
patent: 3990229 (1976-11-01), Staege
patent: 4284476 (1981-08-01), Wegener et al.
patent: 4976101 (1990-12-01), Schiffers et al.

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