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High‐temperature chemical heat pump based on reversible catalytic reactions of cyclohexane‐dehydrogenation/benzene‐hydrogenation: Comparison of the potentialities of different flow diagrams
Author(s) -
Aristov Yuri I.,
Parmon Valentin N.,
Cacciola Gaetano,
Giordano Nicola
Publication year - 1993
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.4440170406
Subject(s) - dehydrogenation , cyclohexane , benzene , thermodynamics , hydrogen , diagram , chemistry , catalysis , flow (mathematics) , heat pump , materials science , heat exchanger , organic chemistry , mechanics , physics , mathematics , statistics
The authors compare various flow diagrams for high temperature chemical heat pumps (HTCHP) based on the reversible cyclohexane‐dehydrogenation/benzene‐hydrogenation reactions. A new technological flow diagram for HTCHP is suggested. The peculiarity of this diagram is a multipurpose use of hydrogen‐permeable membranes. A comparative thermodynamic analysis of the flow diagrams under consideration is undertaken in order to examine the influence of various factors on the heat efficiency and coefficient of performance of the heat pump. It is shown that the use of the hydrogen‐permeable membranes in principle allows one to improve the performance of the HTCHPs and to extend the field of their application in comparison with the HTCHPs based on the flow diagrams suggested earlier.