期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 138, 期 -, 页码 326-332出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2017.02.017
关键词
Bottom ash; Compressive strength; Incineration; Leaching test; Medical waste management; Solidification/stabilization
资金
- TUBITAK [108Y233]
This paper provides the results of the study on solidification/stabilization (S/S) of medical waste incineration bottom ash (MWBA). S/S is a process reducing heavy metals leachability of materials, and so as permitting disposal of them in a sanitary landfill. This process can be also described as a recycling facility because the usability of solidified matrix as a building material according to mechanical characteristics. In this study, S/S process was studied at different ratios of ash/cement mixture (0%, 5%, 10%, 15%, 20%, 25%, 30%, 40% and 50%) and two different curing times (7 days and 28 days). The results of the study showed that S/S method can able to prevent the heavy metals leachability of MWBA. The concrete compressive strength decreased with increasing MWBA ratio. The compressive strength was 38 MPa for 100% cement with 0% MWBA ratio. The compressive strength reduced to 11.3 MPa when 50% cement was mixed with 50% MWBA. The data obtained from experimental study was also evaluated statistically. (C) 2017 Elsevier Ltd. All rights reserved.
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