Characterization on incineration residue of radioactive solid wastes.
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概要
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Characterization was carried out on incineration residue discharged from the radioactive solid waste incineration unit (capacity, 100kg/h) in use at the Tokai Research Establishment of Japan Atomic Energy Research Institute (JAERI) to obtain basic data for investigating solidification methods of the residue.<BR>The characterized residue was taken from furnace and a primary ceramic filter of the incineration unit which incinerates combustible solid wastes generated at JAERI and the outside organizations. Items of characterization involve a particle size distribution, misplaced materials content, ignition loss, chemical composition and radioactivity of nuclides in the ash.<BR>As the results, the size of ash sampled from the furnace distributed a wide range, with about 35-60% of ash smaller than 5mm and about 10-25% of massive one larger than 30mm (max. size: -130mm). The ignition loss was 2-3%. The chemical compositions of the ash were mainly SiO2, Fe<SUB>2</SUB>O<SUB>3</SUB>, CaO and Al<SUB>2</SUB>O<SUB>3</SUB>. The specific activities of the ash were about 0.4-4×10<SUP>3</SUP>Bq/g, and principal Contamlnants were <SUP>60</SUP>Co and <SUP>137</SUP>Cs.
- 一般社団法人 日本原子力学会の論文
一般社団法人 日本原子力学会 | 論文
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