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1篇 您的检索式：作者名="DONG XingLing"

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		题名	作者	年代	出处	被引量
	1	Leachability of heavy metals from solidified sludge显示文摘Solidified sludge undergoes progressive depletion of the alkalinity materials under natural weathering condition and releases out of heavy metals. The leaching of heavy metals from solidified sewage sludge was studied by acid neutralization capacity (ANC) test and flow-through leaching test. The results of ANC test showed that heavy metals release at high concentration when the pH of extract lowers than 6. The disintegration of solidified sludge and the transformation of heavy metals are the main reasons for the resolubilisation of contaminants. Flow-through leaching test indicated that leaching of heavy metals from solidified sludge occurs in a slow way. A mathematical model has been developed to predict the stabilization time of heavy metals in solidified sludge. The research results showed that decreasing hydraulic conductivity is more important than cement addition for controlling the release of heavy metals from solidified sludge.	ZHANG HuYuan WANG Bao DONG XingLing FENG Lei FAN ZhiMing	2009	Science China(Technological Sciences)2009，52，7：	1

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