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Title: Method for thermochemical decomposition of water

Abstract

Water is thermochemically decomposed to produce hydrogen by the following sequence of reactions: KI, NH.sub.3, CO.sub. 2 and water in an organic solvent such as ethyl or propyl alcohol are reacted to produce KHCO 3 and NH.sub.4 I. The KHCO.sub.3 is thermally decomposed to K.sub.2 CO.sub.3, H.sub.2 O and CO.sub.2, while the NH.sub.4 I is reacted with Hg to produce HgI.sub.2, NH.sub.3 and H.sub.2. The K.sub.2 CO.sub.3 obtained by calcining KHCO.sub.3 is then reacted with HgI.sub.2 to produce Hg, KI, CO and O.sub.2. All products of the reaction are recycled except hydrogen and oxygen.

Inventors:
 [1];  [2]
  1. (Oak Park, IL)
  2. (Mokena, IL)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL
OSTI Identifier:
862742
Patent Number(s):
US 4002729
Assignee:
United States of America as represented by United States Energy (Washington, DC) ANL
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; thermochemical; decomposition; water; thermochemically; decomposed; produce; hydrogen; following; sequence; reactions; nh; organic; solvent; ethyl; propyl; alcohol; reacted; khco; thermally; hg; hgi; obtained; calcining; products; reaction; recycled; oxygen; produce hydrogen; thermally decomposed; organic solvent; thermally decompose; following sequence; propyl alcohol; /423/

Citation Formats

Abraham, Bernard M., and Schreiner, Felix. Method for thermochemical decomposition of water. United States: N. p., 1977. Web.
Abraham, Bernard M., & Schreiner, Felix. Method for thermochemical decomposition of water. United States.
Abraham, Bernard M., and Schreiner, Felix. Tue . "Method for thermochemical decomposition of water". United States. doi:. https://www.osti.gov/servlets/purl/862742.
@article{osti_862742,
title = {Method for thermochemical decomposition of water},
author = {Abraham, Bernard M. and Schreiner, Felix},
abstractNote = {Water is thermochemically decomposed to produce hydrogen by the following sequence of reactions: KI, NH.sub.3, CO.sub. 2 and water in an organic solvent such as ethyl or propyl alcohol are reacted to produce KHCO 3 and NH.sub.4 I. The KHCO.sub.3 is thermally decomposed to K.sub.2 CO.sub.3, H.sub.2 O and CO.sub.2, while the NH.sub.4 I is reacted with Hg to produce HgI.sub.2, NH.sub.3 and H.sub.2. The K.sub.2 CO.sub.3 obtained by calcining KHCO.sub.3 is then reacted with HgI.sub.2 to produce Hg, KI, CO and O.sub.2. All products of the reaction are recycled except hydrogen and oxygen.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 11 00:00:00 EST 1977},
month = {Tue Jan 11 00:00:00 EST 1977}
}

Patent:

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