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Effects of the pyrolysis temperature on the biotoxicity of Phyllostachys pubescens biochar in the aquatic environment
Zhang, Chao; Shan, Baoqing; Jiang, Shixin; Tang, Wenzhong
2019-08-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume376Pages:48-57
AbstractThe use of biochar as an adsorbent for environmental remediation has been attracting increasing interest. However, biochar can contain contaminants such as polycyclic aromatic hydrocarbons (PAHs) and metals (e.g., Cu, Pb, and Zn). We prepared Phyllostachys pubescens biochars at temperatures between 400 and 700 degrees C. The biochars were used in bioassays using Vibrio qinghaiensis Q67, Daphnia magna, Pseudokirchneriella subcapitata, and Limnodrilus hoffmeisteri to characterize the toxicities and effects of the biochars. The PAH, Cu, Pb, and Zn contents of the biochars were 8.59-14.67, 1.82-3.26, 1.17-3.53, and 8.76-16.47 mg/kg, respectively. The biochars gave maximum P. subcapitata, D. magna, and V. qinghaiensis Q67 inhibition rates of 6.47%, 6.70%, and 29.87%, respectively. The biochars produced at high pyrolysis temperatures (600 degrees C) had low acute biotoxicities to L. hoffmeisteri and barely affected L. hoffmeisteri biomass, reproduction, and lipid content. The biochars may therefore be suitable for sediment remediation.
Department环境水质学国家重点实验室
KeywordAquatic ecological effects Aquatic organisms Biochar Ecotoxicity Sediment
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42642
Collection环境水质学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Hebei Univ Engn, Coll Energy & Environm Engn, Handan 056038, Hebei, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chao,Shan, Baoqing,Jiang, Shixin,et al. Effects of the pyrolysis temperature on the biotoxicity of Phyllostachys pubescens biochar in the aquatic environment[J]. JOURNAL OF HAZARDOUS MATERIALS,2019,376:48-57.
APA Zhang, Chao,Shan, Baoqing,Jiang, Shixin,&Tang, Wenzhong.(2019).Effects of the pyrolysis temperature on the biotoxicity of Phyllostachys pubescens biochar in the aquatic environment.JOURNAL OF HAZARDOUS MATERIALS,376,48-57.
MLA Zhang, Chao,et al."Effects of the pyrolysis temperature on the biotoxicity of Phyllostachys pubescens biochar in the aquatic environment".JOURNAL OF HAZARDOUS MATERIALS 376(2019):48-57.
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