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한국응용과학기술학회지
(The Korean Society of Applied Science and Technology)
Vol.22 No.4 (2005.12)
pp.379-384
pp.379-384
한국응용과학기술학회(구 한국유화학회)
(The Korean Society of Applied Science and Technology (KSAST))
초록
In general, water treatment sludge (WTS) had high concentration of heavy metal, thus it made the reuse or recycling of WTS difficult. The optimal solidification conditions for maximum suppression of heavy metal elution from WTS were decided in this study. Under the optimal solidification conditions (i.e., temperature, 320℃; ratio of WTS and MgO, 9:1; solidification time, 1hr), all of heavy metal including aluminum were not detected. Therefore there are no problems for reuse or recycling of WTS which was solidified under the optimal solidification conditions found in the study.
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