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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
Source PublicationJOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume112Pages:284-289
AbstractThis 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.
SubtypeArticle
KeywordSewage Sludge Pyrolysis Biochar Heavy Metal Nutrient
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jaap.2015.01.010
WOS Subject ExtendedChemistry ; Spectroscopy
WOS KeywordORGANIC CONTAMINANTS ; BLACK CARBON ; CU ; BIOAVAILABILITY ; CARBONIZATION ; RESIDUES ; POLARITY ; SORPTION ; COMPOST ; ZN
Indexed BySCI
Language英语
WOS SubjectChemistry, Analytical ; Spectroscopy
WOS IDWOS:000352172100034
Citation statistics
Cited Times:74[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/9111
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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