Operating conditions-induced changes in product yield andcharacteristics during thermal-conversion of peanut shell to biochar inrelation to economic analysis
Liu,RJ(Liu,Ruijia)1,2; Liu,GJ(Liu,Guijian)1,2; Yousaf Balal1,2; Abbas Qumber1; Liu,Guijian
2018-08-20
发表期刊Journal of Cleaner Production
卷号193期号:2018页码:479-490
文章类型期刊论文
摘要The influences of pyrolysis conditions on the products yield distribution and physico-chemical characteristics of biochar derived from peanut shell in a fixed-bed reactor were investigated in this study. The pyrolysis conditions included the pyrolysis temperature (300–700 °C), retention time (15–90 min), heating rate (1–10 °C min−1), gas flow rate (20–200 mL min−1) and feedstock particle size (<0.075, 0.075–0.150, 0.150–0.300 and 0.300–2.00 mm). Various analytical techniques were used to characterize the biochar for ultimate and proximate analyses, higher heating value (23.99–30.44 MJ kg−1), pH (8.11–12.89), electrical conductivity (22.78–34.44 mS cm−1), surface functional groups (acidic, carboxylic and basic groups), Fourier transform infrared spectroscopy analysis, pore volume (0.055–1.241 cm3 g−1) and specific surface area (7.12–20.96 m2 g−1). The results demonstrated that the temperature predominantly regulated the product yields distribution and characteristics of produced biochar. Furthermore, the heating rate considerably influenced the biochar proximate composition, micropore surface area and pore size. Particle size had significant influences on biochar surface porosity and bio-oil yield. The economic analysis of the pyrolysis system indicated its feasibility and superiority with a positive net present value of 12.07 × 106 USD after twenty-five years of operation.
关键词Thermochemical Conversion Peanut Shell Pyrolysis Condition Particle Size Yield Optimization Economic Analysis
DOI10.1016/j.jclepro.2018.05.034
收录类别SCI
所属项目编号41672144 ; 41402133
语种英语
项目资助者National Science Foundationof China ; National Science Foundationof China
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5328
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Liu,Guijian
作者单位1.CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China,Hefei 230026, PR China
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China
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Liu,RJ,Liu,GJ,Yousaf Balal,et al. Operating conditions-induced changes in product yield andcharacteristics during thermal-conversion of peanut shell to biochar inrelation to economic analysis[J]. Journal of Cleaner Production,2018,193(2018):479-490.
APA Liu,RJ,Liu,GJ,Yousaf Balal,Abbas Qumber,&Liu,Guijian.(2018).Operating conditions-induced changes in product yield andcharacteristics during thermal-conversion of peanut shell to biochar inrelation to economic analysis.Journal of Cleaner Production,193(2018),479-490.
MLA Liu,RJ,et al."Operating conditions-induced changes in product yield andcharacteristics during thermal-conversion of peanut shell to biochar inrelation to economic analysis".Journal of Cleaner Production 193.2018(2018):479-490.
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