Incineration method for plutonium recovery from alpha contaminated organic compounds.

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概要

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• An incineration method for plutonium recovery from α contaminated organic compounds in a flow of controlled oxygen gas is stated. The species of such thermal decomposition products as hydrocarbons, free carbon, carbon monoxide and hydrogen were determined by mass spectrography. The mixture of the products which are the source of tar or soot was converted to CO<SUB>2</SUB> and H<SUB>2</SUB>O in contact with copper oxide catalyst without flaming.<BR>This incineration method is composed of two stages. The first stage is the decomposi-tion of organic compounds in the streams of gas mixtures containing oxygen in low ratios. The second stage is the incineration of the decomposition products by catalytic reaction in the streams of gas with higher oxygen ratios. Plutonium was recovered as the form of plutonium dioxide from the incineration residues of the first stage.<BR>The behavior of oil was examined as a representative of liquid organic compounds. It was found to evaporate below ca. 500°C, but was completely incinerated by the catalytic reaction with copper oxide catalyst in the flow of gas with controlled oxygen amount and was changed to CO<SUB>2</SUB> an H<SUB>2</SUB>O.

• 一般社団法人 日本原子力学会の論文

著者

• ABE Jiro

  Oarai Research Establishment, Japan Atomic Energy Research Institute

• KURIHARA Masayoshi

  Oarai Research Establishment, Japan Atomic Energy Research Institute

• YAHATA Taneaki

  Oarai Research Establishment, Japan Atomic Energy Research Institute

• KATO Michiharu

  Oarai Research Establishment, Japan Atomic Energy Research Institute

関連論文

• Incineration method for plutonium recovery from alpha contaminated organic compounds.

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