Gas: heating and illuminating – Processes – Coal and water
Patent
1979-03-14
1980-12-16
Jones, Raymond N.
Gas: heating and illuminating
Processes
Coal and water
44 10C, 48210, 201 6, C10J 316
Patent
active
042395003
ABSTRACT:
A process for the utilization of tar-dust which is separated from the gases derived from gasification of granular fuel under pressure, especially of bituminous coal, and in which the tar-dust separated from the gases is fed back into the pressure gasification cycle of the fuel. The tar-dust is added as a binder in the pelletization of the fine grained portions of the fuel and is fed in pellet form into the generator. Apparatus for carrying out the process comprises a pressure generator having a feed device for granular fuel, a tar-dust separator, and a pelletizing device connected by a tar-dust coveying pipe to the tar-dust separator, for the pelletizing of fine grains of fuel with tar-dust as a binder, the pelletizing device conveying the green pellets produced thereby into the feed device. The granular fuel is screened to pass only that portion below a predetermined grain size to the pelletizer, the remaining portion being fed directly to the generator.
REFERENCES:
patent: 3540867 (1970-11-01), Baron et al.
patent: 3692505 (1972-09-01), Reichl
patent: 4049392 (1977-09-01), Furman
Jones Raymond N.
Steag A.G.
Yeung George C.
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