期刊论文

Zhou, Nan;Zhong, Mei-e

英文

Journal of Cleaner Production

0959-6526

2018

187

996-1005

10.1016/j.jclepro.2018.03.268

The work was financial supported by National Natural Science Foundation of China (No 51703061, 21706060), Natural Science Foundation of Hunan Province (No 2017JJ3103, 2016JJ3065), and Hunan provincial key laboratory for germplasm innovation and utilization of crop (No 15KFXM06, 15KFXM20). The work was financial supported by National Natural Science Foundation of China (No 51703061 , 21706060 ), Natural Science Foundation of Hunan Province (No 2017JJ3103 , 2016JJ3065 ), and Hunan provincial key laboratory for germplasm innovation and utilization of crop (No 15KFXM06 , 15KFXM20 ).

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To promote the application of biochar in environmental pollution decontamination especially the heavy metals amendment, the relationship between the adsorption mechanism and biochar pyrolysis conditions was investigated. Tobacco stem was pyrolyzed at 300–700 °C for various residence time of 2 h, 4 h and 6 h. The adsorption of lead, cadmium and copper in single solute was then analyzed for as-obtained biochars. The change of the crystal structures, the related functional groups, and the exchanged cations were determined to reveal the effect of...