Effects of biochar aging on adsorption behavior of phenanthrene

被引：9
|
作者：
Huang, Zhaoqin [1 ,2 ]
Hu, Linchao [3 ]
Tang, Wei [1 ]
Guo, Yue [1 ]
Dai, Jingyu [1 ]
机构：
[1] Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Jiangsu, Peoples R China
[2] Jiangsu Open Univ, Coll Environm & Ecol, Nanjing 210036, Peoples R China
[3] Changzhou Univ, Coll Environm & Safety Engn, Changzhou 213164, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2020年 / 759卷
基金：
中国国家自然科学基金;
关键词：
Biochar; Aging; Phenanthrene; Adsorption; BLACK CARBON; SORPTION; TEMPERATURE; SOIL; CHARCOALS; PYROLYSIS; OXIDATION; CU(II);
D O I：
10.1016/j.cplett.2020.137948
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Herein, we have described the important role about biochar aging on the basis of sorption performance of phenanthrene. Biochar used in this study was produced from rice husks at 350 degrees C and its aging has been manufactured by laboratory incubation. The results showed that an aging layer formed which contains oxygen-bearing groups on to the surface increased during the course of aging. Aging decreased the adsorption capability of biochar obtained under low temperature by 34.10%, ascribed as the increase of oxygen bearing polar moieties; specifically the hydroxyl species that negatively affected sorption of phenanthrene.
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页数：6
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