IGSNRR OpenIR
Levels of persistent toxic substances in different biochars and their potential ecological risk assessment
Zhang, Guixiang1; Zhao, Zhihua1; Guo, Xiaofang1; Han, Zhiwang1; He, Qiusheng1; Zhang, Fengsong2; Xu, Hongying1
2018-11-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume25Issue:33Pages:33207-33215
Corresponding AuthorZhang, Fengsong(zhangfs@igsnrr.ac.cn)
AbstractThis study investigated the levels of persistent toxic substances, such as 16 polycyclic aromatic hydrocarbons (sigma 16PAHs) and heavy metals (Cu, As, Cd, Zn, Pb, Ni, Mo, and Cr) in biochars produced from crop residues (walnut shell, corn cob, corn straw, rice straw, and rice husk) at different heat treatment temperatures (HTTs, 250, 400, and 600 degrees C). The levels of sigma 16PAHs in different biochars were 0.47-7.11mgkg(-1), with naphthalene and phenanthrene contributing the most. The sigma 16PAHs had the positive correlations with H/C and (O+N)/C, but had negative correlations with biochar surface areas. This finding indicates the increasing hydrophobic - interactions between the PAHs and the aromatic sheets of biochars and even the trapping of PAHs within the micropores with the increase of HTTs. The levels of heavy metals in rice residue-derived biochars were significantly higher than those in other biochars. The heavy metals had positive correlations with ash contents in the biochars, indicating the enrichment of heavy metals in the ash. The potential ecological risks of PAHs and heavy metals (dosage: 1%, w/w; frequency: 1) were minimal according to the risk quotient of negligible concentrations (RQ(NCs): 2.50-47.40, <<800) and maximum permissible concentrations (RQ(MPCs): 0.02-0.48, <<1) for PAHs and the potential ecological risk indexes (PERI: 0.01-0.28, <<150) for heavy metals.
KeywordPolycyclic aromatic hydrocarbon Heavy metal Biochar Level Ecological risk
DOI10.1007/s11356-018-3280-8
WOS KeywordPOLYCYCLIC AROMATIC-HYDROCARBONS ; HEAVY-METALS ; SEWAGE-SLUDGE ; AMENDED SOIL ; PYROLYSIS ; TEMPERATURE ; FEEDSTOCK ; ELEMENTS ; BIOMASS ; CD
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41402305] ; National Natural Science Foundation of China[41401584] ; Science Technology Research and Extension Project of Shanxi Provincial Water Resources Department[2015SHJ3]
Funding OrganizationNational Natural Science Foundation of China ; Science Technology Research and Extension Project of Shanxi Provincial Water Resources Department
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000449920100032
PublisherSPRINGER HEIDELBERG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52543
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Fengsong
Affiliation1.Taiyuan Univ Sci & Technol, Coll Environm & Safety, Taiyuan 030024, Shanxi, Peoples R China
2.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Guixiang,Zhao, Zhihua,Guo, Xiaofang,et al. Levels of persistent toxic substances in different biochars and their potential ecological risk assessment[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2018,25(33):33207-33215.
APA Zhang, Guixiang.,Zhao, Zhihua.,Guo, Xiaofang.,Han, Zhiwang.,He, Qiusheng.,...&Xu, Hongying.(2018).Levels of persistent toxic substances in different biochars and their potential ecological risk assessment.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,25(33),33207-33215.
MLA Zhang, Guixiang,et al."Levels of persistent toxic substances in different biochars and their potential ecological risk assessment".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 25.33(2018):33207-33215.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Zhang, Guixiang]'s Articles
[Zhao, Zhihua]'s Articles
[Guo, Xiaofang]'s Articles
Baidu academic
Similar articles in Baidu academic
[Zhang, Guixiang]'s Articles
[Zhao, Zhihua]'s Articles
[Guo, Xiaofang]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Zhang, Guixiang]'s Articles
[Zhao, Zhihua]'s Articles
[Guo, Xiaofang]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.