Biochar reduces the bioavailability of di-(2-ethylhexyl) phthalate in soil

被引：52
|
作者：
He, Lizhi [1 ,2 ]
Fan, Shiliang [2 ]
Mueller, Karin [3 ]
Hu, Guotao [2 ]
Huang, Huagang [2 ,4 ]
Zhang, Xiaokai [2 ]
Lin, Xiaoming [5 ]
Che, Lei [6 ]
Wang, Hailong [1 ,5 ]
机构：
[1] Zhejiang A&F Univ, Zhejiang Prov Key Lab Soil Contaminat Bioremediat, Linan 311300, Zhejiang, Peoples R China
[2] Zhejiang A&F Univ, Sch Environm & Resource Sci, Linan 311300, Zhejiang, Peoples R China
[3] New Zealand Inst Plant & Food Res Ltd, Ruakura Res Ctr, Hamilton, New Zealand
[4] Bijie Yancao Co Guizhou Prov, Yancao Prod Technol Ctr, Bijie 551700, Peoples R China
[5] Guangdong Dazhong Agr Sci Co Ltd, Dongguan 523169, Guangdong, Peoples R China
[6] Huzhou Univ, Sch Engn, Huzhou 313000, Zhejiang, Peoples R China
来源：
CHEMOSPHERE | 2016年 / 142卷
基金：
中国国家自然科学基金;
关键词：
Bioavailability; Biochar; Di-(2-ethylhexyl) phthalate (DEHP); Organic pollutant; Soil organic carbon; STRAW BIOCHAR; ACID ESTERS; DEGRADATION; VEGETABLES; HERBICIDES; AMENDMENT; SORPTION; IMPACT;
D O I：
10.1016/j.chemosphere.2015.05.064
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A pot experiment was conducted to evaluate the effect of biochars on the bioavailability of di-(2-ethylhexyl) phthalate (DEHP) in two soils using Brassica chinensis L. as an indicator plant. The residual concentrations of DEHP tended to be higher in the biochar-amended soils than in the control soils. They were lower (p < 0.05) in the high organic carbon content soil (HOC; 2.2%C) than in the low organic carbon content soil (LOC; 0.35%C). The DEHP concentrations in plant shoots grown in the HOC soils were lower than those in the LOC soils (p < 0.05). Compared to the control, the biochar addition decreased the DEHP concentrations in shoots grown in the LOC soils; whereas there was no significant difference in the HOC soils. Our results showed that soil OC content as well as biochar properties are the key factors influencing the bioavailability of DEHP in soils. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：24 / 27
页数：4
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