Synthesizing gas from coal via synergetic reactions with steam a

Gas: heating and illuminating – Processes – Coal and water

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423563, 423573R, 423415A, 423648R, 48203, 48206, C10J 300

Patent

active

042356059

ABSTRACT:
Gasification by reaction of carbon (e.g., in coal) with sulfur in the presence of steam, at 500.degree.-1500.degree. K., and controlled to favor production of carbon monoxide/-dioxide and hydrogen sulfide (further reactable to hydrogen and sulfur, which can be recycled). Heat generated by combustion of reaction products and/or through possible exothermic portions of the process can be utilized in the process for preheating reagents or reducing energy requirements of the main reaction.

REFERENCES:
patent: 2654664 (1953-10-01), Reichl et al.
patent: 2864677 (1958-12-01), Eastman et al.
patent: 2963348 (1960-12-01), Sellers
patent: 2984548 (1961-05-01), Massey
patent: 4066739 (1978-01-01), Chen
patent: 4146580 (1979-03-01), Beavon
patent: 4147762 (1979-04-01), Steiner
"Removal and Reduction of Sulfur Dioxides from Polluted Gas Streams" by Steiner et al., 1975, pp. 180-191.
"Catalytic Decomposition of Hydrogen Sulphide" by Fukuda et al. Ind. Eng. Chem. Fund., vol. 17(4), 1978, pp. 243-247.

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