Influence of sodium hydroxide addition on characteristics and environmental risk of heavy metals in biochars derived from swine manure

Yonggang Xu,Tianxia Bai, Yubo Yan,Kuirong Ma

Waste Management（2020）

引用 34|浏览3

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摘要

•Swine manure was pretreated by NaOH to obtain the resultant biochars.•The addition of NaOH enhanced the aromaticity and hydrophily of biochars.•The addition of NaOH promoted the immobilization of Cu, Zn, Cr, Pb and Cd.•The addition of NaOH reduced the leachability and ecological risks of heavy metals.

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关键词

Heavy metals,NaOH addition,Pyrolysis,Risk assessment,Swine manure

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