Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 48 / Number 1
O. A. Fedorchenko, I. A. Alekseev, A. S. Tchijov, V. V. Uborsky
Fusion Science and Technology
Volume 48 / Number 1 / July 2005 / Pages 120-123
Format:electronic copy (download)
The large scale studies of Combined Electrolysis and Catalytic Exchange (CECE) process in Petersburg Nuclear Physics Institute showed a complicated influence of various factors on the process caused by the presence of two simultaneous isotope exchange sub processes: counter-current phase exchange (between liquid water and water vapour) and co-current catalytic exchange (between hydrogen gas and water vapour). A laboratory scale set-up of glass made apparatuses was established in such a way that it allows us to study phase and catalytic exchange apart. A computer model of the set-up has been developed.The catalytic isotope exchange model formulation is presented. A collection of reversible chemical reactions is accompanied by diffusion of the gaseous reactants and reaction products in the pores of catalyst carrier. This has some interesting features that are demonstrated. Thus it was noted that the flow rates ratio (gas to vapour - = G/V) as well as the concentrations of reactants exert influence on the process efficiency.
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