EXTRACTION KINETICS OF URANIUM(VI) WITH POLYURETHANE FOAM

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概要

• 論文の詳細を見る

• The extraction kinetics of uranium(VI) from aqueous nitrate solution with polyether-based polyurethane foam was investigated in a batch reactor with automatic squeezing. The extraction curves of uranium(VI) concentration in solution vs. extraction time exhibited a rather rapid exponential decay within the first few minutes, followed by a slower exponential decay during the remaining period. This phenomenon can be attributed to the presence of two-phase structure, hard segment domains and soft segment matrix in the polyurethane foam. A two-stage rate model expressed by a superposition of two exponential curves was proposed, according to which the experimental data were fitted by an optimization method. The extraction rate of uranium(VI) was also found to increase with increasing temperature, nitrate concentration, and hydration of the cation of nitrate salt.

• 社団法人 化学工学会の論文
• 1993-08-20

著者

• Chen D‐h

  National Cheng Kung Univ. Tainan Twn

• Chen Dong-hwang

  Department Of Chemical Engineering & Center For Micro/nano Science And Technology National Cheng

• HUANG Ting-Chia

  Department of Chemical Engineering, National Cheng Kung University

• HUANG Shius-Dong

  Department of Chemical Engineering, National Cheng Kung University

• HUANG Ching-Tsven

  Institute of Nuclear Energy Research

• SHIEH Mu-Chang

  Institute of Nuclear Energy Research

• Huang T‐c

  National Cheng Kung Univ. Tainan Twn

• Huang Shius-dong

  Department Of Chemical Engineering National Cheng Kung University

• Huang Ting-chia

  Department Of Chemical Engineering National Cheng Kung University

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