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http://dx.doi.org/10.14190/JRCR.2018.6.4.324

A Study on Penetration Effect of Penetrating Hardener for Prevention of Scattering of Asbestos Building Materials  

Song, Tae-Hyeob (Department of Living and Built Environment Research, KICT)
Park, Ji-Sun (Department of Living and Built Environment Research, KICT)
Shin, Hyun-Gyoo (Material Technology Center, Korea Testing Laboratory)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.6, no.4, 2018 , pp. 324-330 More about this Journal
Abstract
In accordance with the amendment of the Industrial Safety and Health Act of 2007, Korea completely prohibited the import, distribution and manufacture of asbestos like Europe and Japan. Accordingly, the current problem of asbestos is the safe maintenance and disposal of asbestos construction material, the disposal of asbestos, and the final disposal of asbestos building materials. In the past, Korea used 100,000 tons of asbestos every year, and the building materials using it exceeded 1 million tons per year. These asbestos building materials continued to be used until 2006, and the Ministry predicted that these materials would continue to be maintained until 2044. When the permeable hardening agent is applied to the asbestos building material installed in the pre-pretreatment step for the harmless treatment of the asbestos waste and the dismantling is carried out, the scattering of the asbestos is suppressed in the disassembling step, detoxification treatment conditions can be improved. Therefore, permeable hardeners should be stably penetrated into asbestos building materials. In this study, it is suggested that pre - pretreatment methods for the harmlessization of waste asbestos building materials with medium density level can be presented. In order to efficiently perform pre - treatment for chemical harmlessness in the future, the mixing ratio of permeable hardener and middle water Optimization is the most important factor.
Keywords
Asbestos; Scattering prevention agent; Penetration depth; Viscosity; Dilution;
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