Application of Biochar in the Remediation of Contaminated Soil with High Concentration of Lead and Zinc

doi:10.1155/2021/6630982

	Application of Biochar in the Remediation of Contaminated Soil with High Concentration of Lead and Zinc
	Zhao, Xiaoming 1; Yang, Binbin 1; Li, Yuan 3; Tang, Dongqi 1; Xu, Ke 1; Li, Dongdong 1,2
刊名	ADVANCES IN CIVIL ENGINEERING
	2021-01-30
卷号	2021 页码:7
ISSN号	1687-8086
DOI	10.1155/2021/6630982
英文摘要	Soil contamination in the Panjiachong lead and zinc mining areas has become a severe problem in Hunan Province, China. As the traditional stabilization technology comes with soil degradation, it is urgent to find a novel binder that is more eco-friendly. It has been proved that biochar can immobilize heavy metals, but limited research has been conducted on the contaminated soil with high concentration. In this study, 5%, 8%, and 10% biochar derived from the rice straw were used to remediate contaminated soil with high concentration of lead and zinc. Portland cement (PC) was adopted as the control group. The results showed that after 56 d curing, the biochar-treated soil had a neutral pH and EC value and higher soil fertility compared with the PC-treated soil. The results from the toxicity characteristic leaching procedure test indicated that the biochar is more effective than PC on heavy metal immobilization. Germination index (GI) value was used to evaluate the phytotoxicity of the treated soil; the GI values of treated soil with 8% and 10% biochar were both higher than 80%, while all the PC-treated groups failed to achieve this GI value, which indicated the potential revegetation is applicable for the biochar-treated soil.
资助项目	Xuchang University Key Scientific Research Foundation[2020ZD014] ; Key Research and Development and Promotion Projects in Henan Province[212102310458] ; Key Scientific Research Projects of Colleges and Universities in Henan Province[21B560015]
WOS研究方向	Construction & Building Technology ; Engineering
语种	英语
出版者	HINDAWI LTD
WOS记录号	WOS:000617619500004
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/25752]
专题	中科院武汉岩土力学所
通讯作者	Zhao, Xiaoming; Yang, Binbin; Li, Yuan
作者单位	1.Xuchang Univ, Sch Civil Engn, Xuchang 461000, Henan, Peoples R China 2.Xian Univ Technol, Sch Civil Engn & Architecture, Xian 710048, Shanxi, Peoples R China 3.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
推荐引用方式 GB/T 7714	Zhao, Xiaoming,Yang, Binbin,Li, Yuan,et al. Application of Biochar in the Remediation of Contaminated Soil with High Concentration of Lead and Zinc[J]. ADVANCES IN CIVIL ENGINEERING,2021,2021:7.
APA	Zhao, Xiaoming,Yang, Binbin,Li, Yuan,Tang, Dongqi,Xu, Ke,&Li, Dongdong.(2021).Application of Biochar in the Remediation of Contaminated Soil with High Concentration of Lead and Zinc.ADVANCES IN CIVIL ENGINEERING,2021,7.
MLA	Zhao, Xiaoming,et al."Application of Biochar in the Remediation of Contaminated Soil with High Concentration of Lead and Zinc".ADVANCES IN CIVIL ENGINEERING 2021(2021):7.