Pyrolytic conversion of carbonaceous solids to fuel gas in quart

Details Pyrolytic conversion of carbonaceous solids to fuel gas in quart Pyrolytic conversion of carbonaceous solids to fuel gas in quart

1980-01-23

1984-05-15

Kratz, Peter F.

Gas: heating and illuminating

Processes

Fuel mixtures

48202, 48197A, 48209, C10J 354

Patent

active

044485891

ABSTRACT:
Particulate carbonaceous solids are pyrolytically converted to fuel gas in a fluidized bed containing quartz sand as the primary inert heat-transfer medium. In addition to the quartz sand, the fluidized bed contains an anti-agglomerating composition consisting of a carbonate or oxide of calcium, magnesium, or barium, or mixtures thereof. The formation of sand agglomerates (viz. clinkers) interferring with fluidized bed operation is prevented. Coarsely ground limestone is the preferred additive.

REFERENCES:
patent: 2582711 (1952-01-01), Nelson
patent: 3853498 (1974-12-01), Bailie
patent: 3909364 (1975-09-01), Singh
patent: 4002438 (1977-01-01), Fleming
patent: 4032305 (1977-06-01), Squires
Burton, Robert Stanley, "Fluid Bed Gasification of Solid Waste Materials," , Problem Report, West Virginia University, (1972).
Alpert, S. B. et al., "Pyrolysis of Solid Waste: A Technical and Economic Assessment,", (Sep. 1972), SRI Project ECC-1886, Stanford Research Inst.
Mechanix Illustrated, Aug. 1979, p. 12, Article beginning "A practical method to burn coal," etc.

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