산업부산물을 활용한 하수슬러지 고화재의 혼합비에 따른 고화물의 특성에 관한 연구

Title
산업부산물을 활용한 하수슬러지 고화재의 혼합비에 따른 고화물의 특성에 관한 연구
Other Titles
Study on the Characteristics of the Solidified Sewage Sludge to the Mixing Ratio of the Solidifying Agent using Industrial By-Products
Author(s)
형원길안양진[안양진]문경주[문경주]윤성진[윤성진]
Keywords
Industrial by-products; Solidifying agent; Artificial soil; Cover materials; Solidified sewage sludge
Issue Date
201211
Publisher
한국폐기물자원순환학회
Citation
한국폐기물자원순환학회지, v.29, no.7, pp.681 - 688
Abstract
This study aims to develop solidifying agents of sewage sludge using industrial By-Products and evaluate applicability of the solidified sewage sludge. The result of this study shows that it was possible to reduce water content of the cover materials to more than 50% in a short time as a result of the excellent hygroscopic function of inorganic binder made from industrial by-products and the granulation of sludge. The result suggests that the appropriate mixed ratio of (PSA + CPA) − (GBFS + SM1) − (SAS + SM2) is 60-25-15, and input ratio of solidifying agent is 48%, considering the applicability of the facilities, including mixing performance and availability of discharge, as well as the percentage of moisture content of the solidified sewage sludge, pH, and exothermic temperature. The solidified sewage sludge made using industrial by-products met more than the standard of unconfined compressive strength 0.5 kg/cm2 (as for cover materials 0.1 MPa) in 7 days due to ground granulated blast furnace slag, high-calcium fly ash, and SAS. As a result valid resource recovery is possible through the land treatment of sewage sludge by inducing in-situ stabilization of heavy metals and property strengths through the reactivity of industrial by-products.
URI
http://hdl.handle.net/YU.REPOSITORY/26885
ISSN
2093-2332
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건축학부 > 건축학부 > Articles
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