Detoxification of industrial asbestos waste by low-temperature heating in a vacuum(<Feature> Innovative Ceramic Materials and Technologies for Global Environmental Protection)
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概要
- 論文の詳細を見る
Industrial asbestos waste such as asbestos cement board, sprayed crocidolite and sprayed amosite was heated in a vacuum. The detoxification conditions were then established in reference to JIS A 1481: 2006 and JIS K 3850-1: 2006. When asbestos cement board was heated at 700℃ for 1h, detoxification of the cement board was completed. On the other hand, in the case of amphibolic asbestos waste, such as sprayed crocidolite and sprayed amosite, was heated, a phase-contrast microscope analysis was not applicable for identification of asbestos heated at more than 500℃. According to XRD analysis, crocidolite was eliminated by heating at 800℃ for 3h. Furthermore, amosite was not detected after heating at 700℃ for 3h. Finally, the grindability of heated amphibolic asbestos was investigated. When sprayed crocidolite was heated at 900℃ for 3h and then ground with a mortar for 300s, the crushed grains had a length of less than 5μm and an aspect ratio of 3. In addition, when sprayed amosite was heated at 1000℃ for 3h and then ground, the crushed grains had a length of less than 5μm and an aspect ratio of 3.
- 社団法人日本セラミックス協会の論文
- 2008-02-01
著者
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HONDA Sawao
Department of Materials Science & Engineering, Nagoya Institute of Technology
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Iwamoto Yuji
Department of Physics, Faculty of Science, Kochi University
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Iwamoto Yuji
Dep. Of Environmental And Materials Engineering Nagoya Inst. Of Technol.
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HASHIMOTO SHINOBU
Department of Environmental and Materials Engineering, Nagoya Institute of Technology
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Hashimoto Shinobu
Department Of Environmental And Materials Engineering Nagoya Institute Of Technology
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Okuda Atsushi
Fuji Seiku Kogyosho Corporation. Ltd.
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FUKUDA Koichiro
Department of Environmental and Materials Engineering, Nagoya Institute of Technology
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Fukuda Koichiro
Department Of Environmental And Materials Engineering Nagoya Institute Of Technology
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TAKEDA Hayami
Department of Environmental and Materials Engineering, Nagoya Institute of Technology
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KAMBAYASHI Akira
Department of Environmental and Materials Engineering, Nagoya Institute of Technology
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Kambayashi Akira
Department Of Environmental And Materials Engineering Nagoya Institute Of Technology
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Honda Sawao
Nagoya Inst. Of Technol. Dep. Of Environmental Materials And Engineering
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Iwamoto Yuji
Department Of Environmental Materials And Engineering Nagoya Institute Of Technology
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Honda Sawao
Department Of Environmental Materials And Engineering Nagoya Institute Of Technology
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Hashimoto Shinobu
Department Of Environmental Materials And Engineering Nagoya Institute Of Technology
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HONDA Sawao
Department of Environmental and Materials Engineering, Nagoya Institute of Technology
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IWAMOTO Yuji
Department of Environmental and Materials Engineering, Nagoya Institute of Technology
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