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Influence of pyrolysis temperature on physical and chemical properties of biochar made from sewage sludge
Yuan, Haoran1,2; Lu, Tao1,2,3; Huang, Hongyu1,2; Zhao, Dandan1,2; Kobayashi, Noriyuki1,2; Chen, Yong1,2
2015-03-01
发表期刊JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷号112页码:284-289
摘要This work investigated the influence of pyrolysis temperature on biochar production and evaluated its properties for agricultural applications. Biochar yield decreased and its pore structure developed with the increase of temperature from 300 to 700 degrees C. Biochar produced at 300 degrees C was acidic whereas at higher temperatures it was alkaline. Fewer dissolved salts were contained in the biochars produced at higher temperatures. The rich nutrients, other than nitrogen, were intensified with the temperature rise. The results of (diethylenetriaminepentaacetic acid) DTPA-extraction showed the pyrolysis process abated the bioavailability of trace nutrient elements (Mn, Fe, Zn and Cu). The leaching toxicity of Pb, Zn, Ni, Cd, As, Cu and Cr in the biochars was lower than that in the sewage sludge although the pyrolysis process enriched the heavy metals in the biochars. Hence, the biochar was safer than sewage sludge as a soil amendment. (C) 2015 Elsevier B.V. All rights reserved.
文章类型Article
关键词Sewage Sludge Pyrolysis Biochar Heavy Metal Nutrient
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jaap.2015.01.010
研究领域[WOS]Chemistry ; Spectroscopy
关键词[WOS]ORGANIC CONTAMINANTS ; BLACK CARBON ; CU ; BIOAVAILABILITY ; CARBONIZATION ; RESIDUES ; POLARITY ; SORPTION ; COMPOST ; ZN
收录类别SCI
语种英语
WOS类目Chemistry, Analytical ; Spectroscopy
WOS记录号WOS:000352172100034
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/9111
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
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Yuan, Haoran,Lu, Tao,Huang, Hongyu,et al. Influence of pyrolysis temperature on physical and chemical properties of biochar made from sewage sludge[J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,2015,112:284-289.
APA Yuan, Haoran,Lu, Tao,Huang, Hongyu,Zhao, Dandan,Kobayashi, Noriyuki,&Chen, Yong.(2015).Influence of pyrolysis temperature on physical and chemical properties of biochar made from sewage sludge.JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,112,284-289.
MLA Yuan, Haoran,et al."Influence of pyrolysis temperature on physical and chemical properties of biochar made from sewage sludge".JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 112(2015):284-289.
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