Effectiveness and mechanisms of phosphate adsorption on iron-modified biochars derived from waste activated sludge.

Qi Yang,Xiaolin Wang,Wei Luo,Jian Sun,Qiuxiang Xu,Fei Chen,Jianwei Zhao,Shana Wang,Fubing Yao,Dongbo Wang,Xiaoming Li,Guangming Zeng

Bioresource Technology（2018）

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摘要

•The maximum P adsorption capacity of FeCl3-modified biochar was 111.0mg/g.•The P removal efficiency of Fe3+-attached biochar was better than Fe3O4.•Fe3+-modified biochar showed good P removal ability in wider concentration range.•P removal rate by Fe3+-modified biochar kept over 60% after 5 times reuse.

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关键词

Adsorption,Biochar,FeCl3-impregnation,Phosphate,Waste activated sludge

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