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Development of Application Block Using Geobond and Ash from Sewage Sludge Incinerator II
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 Title & Authors
Development of Application Block Using Geobond and Ash from Sewage Sludge Incinerator II
Lee, Hyun-joo;
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 Abstract
This study investigated to recycle geobond and ash produced in thesewage sludge incinerator using reduction/stabilization. Nonsintering process was performed by binding cement (High Early Strength Portland cement, Micro cement), geobond and sand mixed with sewage sludge ash (SSA). Chemical ingradients of the sewage sludge ash was mainly composed of , , , CaO and others, which were similar to those of the each binders consisting High Early Strength Portland cement, Micro cement and geobond. Results showed that unconfined the long term compressive strength could be obtained components of sewage sludge ash. It exceeded more than double score 64.6 MPa of the Korean standard (). Microstructure of solidified block for the different admixture was related to the compressive strength according to SEM analysis. Optimum mixing range of the sewage sludge ash to each binders were found to be 10~40% which can widly safely regulate the confined a long term compressive strength. The best binder of long term compressive strengh was revealed Geobond more than High Early Strength Portland cement and Micro cement. This study revealed the sewage sludge ash can be partial replacement of the inorganic binder & application block for recycling.
 Keywords
Geobond;Sewage Sludge Ash (SSA);Long Term Compressive Strength;Paste;Color Block;High Early Strength Portland Cement (HESPC);Micro Cement (MC);
 Language
Korean
 Cited by
1.
Geobond와 하수슬러지 소각재를 혼합한 시편의 양생온도에 따른 장기압축강도의 특성,이현주;

한국환경기술학회지, 2016. vol.17. 3, pp.229-239
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