Simulation procedure for multistage water/hydrogen exchange column for heavy water enrichment accounting for catalytic and scrubbing efficiencies.

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概要

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• The present paper gives a simulation procedure for multistage water/hydrogen exchange columns for heavy water enrichment using hydrophobic catalysts. The Murphree-type effici-encies for H<SUB>2</SUB>O, HDO and D<SUB>2</SUB>O are used as the scrubbing efficiencies for sieve trays. The reaction rate of H2+D2 ?? 2HD is assumed to be very rapid and equilibrated at the outlet of the catalyst bed. The catalytic efficiencies defined for H<SUB>2</SUB>O(g) and D<SUB>2</SUB>O(g) are considered for the nonequilibrated exchange reactions: H<SUB>2</SUB>+ HDO(g) ?? HD+H<SUB>2</SUB>O(g) and H<SUB>2</SUB>+D<SUB>2</SUB>O(g) ?? • D<SUB>2</SUB>+H<SUB>2</SUB>0(g). Those efficiencies are treated as input variables for the simulation. The main calculational loop is based on the Newton-Raphson iteration, but the order of the Jacobian matrix is just equal to the number of sieve trays for vapor/hydrogen scrubbing. The pro-cedure is applicable to solution of operating problems in a wide range of input and output specifications.

• 一般社団法人 日本原子力学会の論文

著者

• Kinoshita Masahiro

  Department Of Cell Biology Medical Research Institute Tokyo Medical And Dental University

• KINOSHITA Masahiro

  Department of Thermonuclear Fusion Research, Japan Atomic Energy Research Institute

関連論文

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• Preliminary experimental study for cryogenic distillation column with small inner diameter. (II)
• Simulation procedure for multistage water/hydrogen exchange column for heavy water enrichment accounting for catalytic and scrubbing efficiencies.

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