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Characteristic of heavy metals in biochar derived from sewage sludge
Lu, Tao1,2,3; Yuan, Haoran1,2; Wang, Yazhuo1,2; Huang, Hongyu1,2; Chen, Yong1,2
2016-09-01
发表期刊JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT
卷号18期号:4页码:725-733
摘要This study investigates the characteristic of heavy metals (Pb, Zn, Cu, Cd, Cr, Ni and As) in biochar derived from sewage sludge at different pyrolysis temperatures (300, 400, 500, 600 and 700 A degrees C). The heavy metal concentrations, chemical speciation distribution, leaching toxicity, and bio-available contents were investigated using ICP-OES after microwave digestion, a sequential extraction procedure recommended by the Community Bureau of Reference (BCR), an improved nitric acid-sulphuric acid method, and diethylenetriamine pentaacetic acid (DTPA) extraction method, respectively. The results showed that a great percentage of the heavy metals remained in biochar, the concentrations of heavy metals in biochar (except Cd in B7) were higher than that in sludge, and the enrichment of the heavy metals in biochar enhanced with the pyrolysis temperature. Although the effect of pyrolysis temperature on the chemical speciation distribution, the leaching toxicity and the bio-available contents of heavy metals in biochar was inconsistent, the potential risk of biochar on soil and groundwater contamination was lower than sewage sludge.
文章类型Article
关键词Sewage Sludge Pyrolysis Biochar Heavy Metal Toxicity
WOS标题词Science & Technology ; Life Sciences & Biomedicine
资助者National 973 Project of China(2011CB201501) ; National Science and Technology Program of the Twelfth Five-year Plan for rural development in China(2012BAD14B16-04) ; National Natural Science Foundation of China(51161140330) ; Pearl River Nova Program of Guangzhou(2013J2200008) ; Guangdong Science and Technology Program(2012B091400011) ; National 973 Project of China(2011CB201501) ; National Science and Technology Program of the Twelfth Five-year Plan for rural development in China(2012BAD14B16-04) ; National Natural Science Foundation of China(51161140330) ; Pearl River Nova Program of Guangzhou(2013J2200008) ; Guangdong Science and Technology Program(2012B091400011)
DOI10.1007/s10163-015-0366-y
研究领域[WOS]Environmental Sciences & Ecology
关键词[WOS]PYROLYSIS ; RESIDUES ; TEMPERATURES ; SPECIATION ; CONVERSION ; SIZES
收录类别SCI
语种英语
资助者National 973 Project of China(2011CB201501) ; National Science and Technology Program of the Twelfth Five-year Plan for rural development in China(2012BAD14B16-04) ; National Natural Science Foundation of China(51161140330) ; Pearl River Nova Program of Guangzhou(2013J2200008) ; Guangdong Science and Technology Program(2012B091400011) ; National 973 Project of China(2011CB201501) ; National Science and Technology Program of the Twelfth Five-year Plan for rural development in China(2012BAD14B16-04) ; National Natural Science Foundation of China(51161140330) ; Pearl River Nova Program of Guangzhou(2013J2200008) ; Guangdong Science and Technology Program(2012B091400011)
WOS类目Environmental Sciences
WOS记录号WOS:000382120600014
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11839
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Lu, Tao,Yuan, Haoran,Wang, Yazhuo,et al. Characteristic of heavy metals in biochar derived from sewage sludge[J]. JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT,2016,18(4):725-733.
APA Lu, Tao,Yuan, Haoran,Wang, Yazhuo,Huang, Hongyu,&Chen, Yong.(2016).Characteristic of heavy metals in biochar derived from sewage sludge.JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT,18(4),725-733.
MLA Lu, Tao,et al."Characteristic of heavy metals in biochar derived from sewage sludge".JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT 18.4(2016):725-733.
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