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http://dx.doi.org/10.9719/EEG.2011.44.5.451

The Patent Analysis of the Treatment Technology of Asbestos Wastes  

Kim, Jong-Heon (Korea Institute of Science and Technology Information(KISTI))
Cho, Jin-Dong (Korea Institute of Science and Technology Information(KISTI))
Lee, Sang-Kwon (Korea Institute of Science and Technology Information(KISTI))
Cha, Seong-Ki (Korea Institute of Science and Technology Information(KISTI))
Publication Information
Economic and Environmental Geology / v.44, no.5, 2011 , pp. 451-462 More about this Journal
Abstract
Asbestos or its applications have been used for long times and for various purposes in our life because of their merits, namely fire resistance, electric insulation and chemical resistance capacity etc. Despite of theses many merits, one of the problems of asbestos is shown toxicity according to its fiber type. So we need data to solve about this problem. In this paper, we study on the technical method of asbestos waste treatment and on the trends of asbestos researches and developments by the analysis of its patents and DWPI database materials. As a result, the asbestos-waste treatment data in the its related patents is used 267 cases to analyze. These data are divided into 86(32.5%) cases of solid waste disposal(B09B). 41(16.6%) cases of separation(B01D) and 27(10.2%) of lime, magnesia, slag, cement and their composites(C04B).
Keywords
Asbestos fiber; Asbestos wastes; solid waste disposal; environmental issues; NOA(Naturally Occurring Asbestos);
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