Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
Patent
1977-10-31
1978-08-08
Meros, Edward J.
Chemistry of inorganic compounds
Hydrogen or compound thereof
Elemental hydrogen
423486, 423650, 204128, C01B 103
Patent
active
041057554
ABSTRACT:
The production of hydrogen by reacting an ash containing material with water and at least one halogen selected from the group consisting of chlorine, bromine and iodine to form reaction products including carbon dioxide and a corresponding hydrogen halide. The hydrogen halide is decomposed to separately release the hydrogen and the halogen. The halogen is recovered for reaction with additional carbonaceous materials and water, and the hydrogen is recovered as a salable product. In a preferred embodiment the carbonaceous material, water and halogen are reacted at an elevated temperature. In accordance with another embodiment, a continuous method for the production of hydrogen is provided wherein the carbonaceous material, water and at least one selected halogen are reacted in one zone, and the hydrogen halide produced from the reaction is decomposed in a second zone, preferably by electrolytic decomposition, to release the hydrogen for recovery and the halogen for recycle to the first zone. There also is provided a method for recovering any halogen which reacts with or is retained in the ash constituents of the carbonaceous material.
REFERENCES:
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patent: 1870308 (1932-08-01), Behrman
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patent: 3365276 (1968-01-01), Childs et al.
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Darnell Alfred J.
Parkins William E.
DeLarvin Clark E.
Humphries L. Lee
Kolin Henry
Meros Edward J.
Rockwell International Corporation
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