Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1979-06-20
1980-12-02
Langel, Wayne A.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
423579, 423648R, C01B 102
Patent
active
042371058
ABSTRACT:
A thermochemical cyclic process for producing hydrogen from water comprises reacting ceric oxide with monobasic or dibasic alkali metal phosphate to yield a solid reaction product, oxygen and water. The solid reaction product, alkali metal carbonate or bicarbonate, and water, are reacted to yield hydrogen, ceric oxide, carbon dioxide and trialkali metal phosphate. Ceric oxide is recycled. Trialkali metal phosphate, carbon dioxide and water are reacted to yield monobasic or dibasic alkali metal phosphate and alkali metal bicarbonate, which are recycled. The cylic process can be modified for producing carbon monoxide from carbon dioxide by reacting the alkali metal cerous phosphate and alkali metal carbonate or bicarbonate in the absence of water to produce carbon monoxide, ceric oxide, carbon dioxide and trialkali metal phosphate. Carbon monoxide can be converted to hydrogen by the water gas shift reaction.
REFERENCES:
patent: 3927192 (1975-12-01), Bamberger et al.
patent: 3929979 (1975-12-01), Bamberger et al.
patent: 4180555 (1979-12-01), Bamberger et al.
Bamberger Carlos E.
Robinson Paul R.
Denny James E.
Hamel Stephen D.
Langel Wayne A.
The United States of America as represented by the United States
Uzzell Allen H.
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