An enhanced approach for biochar preparation using fluidized bed and its application for H2S removal
Sun, Yong1,2; Zhang, Jing Ping3; Wen, Chao4; Zhang, Lian5
2016-06-01
发表期刊CHEMICAL ENGINEERING AND PROCESSING
ISSN0255-2701
卷号104期号:JUNE页码:1-12
摘要Fluidized bed efficiently intensifies the carbonization step for biochar preparation by significantly reducing carbonization duration down to 6 min at 450 degrees C. The BET specific surface area of the char carbonized at 6 min can reach 60 m(2)/g. The produced porous biochar possesses both micropores and mesopores. The produced biochars are found to be alkaline. The degree of heterogeneity on the surface of biochar is far more than that of commercial activated carbon. The maximum monolayer adsorption capacity from Langmuir model can reach 25 mg/g at room temperature and ambient pressure by using equilibrium isotherm approximation. The maximum sulfur removal can reach 70 mg/g using column dynamic adsorption. The moisture shows a beneficial effect on the adsorption of H2S on biochar. The maximum removal rate and saturation constants were obtained using Mechael's-Menten type equation. The mass transfer diffusivities data indicate the surface diffusion being significant to the effective diffusivity at experimental conditions. The dynamic experimental results indicate a good performance of resultant biochar in H2S removal at room temperature. (C) 2016 Elsevier B.V. All rights reserved.
关键词Biochar Fluidized Bed H2s Removal Black Liquor
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cep.2016.02.006
收录类别SCI
语种英语
关键词[WOS]HYDROGEN-SULFIDE REMOVAL ; FISCHER-TROPSCH SYNTHESIS ; ACTIVATED CARBON ; BLACK LIQUOR ; SURFACE-AREA ; ADSORPTION ; DIOXIDE ; LIGNIN ; PERFORMANCE ; ADSORBENTS
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者National High Technology Research and Development Program 863(2011AA060703) ; Innovation funds of institute of processes engineering of Chinese Academy of Sciences(062702)
WOS记录号WOS:000375811300001
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21055
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Joondalup, WA 6027, Australia
2.CSIRO, Earth Sci & Resources Engn, 26 Dick Perry Ave, Kensington, WA 6151, Australia
3.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
4.NW Univ Xian, Sch Informat Sci & Technol, Xian 710069, Peoples R China
5.Monash Univ, Dept Chem Engn, Clayton, Vic 3800, Australia
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Sun, Yong,Zhang, Jing Ping,Wen, Chao,et al. An enhanced approach for biochar preparation using fluidized bed and its application for H2S removal[J]. CHEMICAL ENGINEERING AND PROCESSING,2016,104(JUNE):1-12.
APA Sun, Yong,Zhang, Jing Ping,Wen, Chao,&Zhang, Lian.(2016).An enhanced approach for biochar preparation using fluidized bed and its application for H2S removal.CHEMICAL ENGINEERING AND PROCESSING,104(JUNE),1-12.
MLA Sun, Yong,et al."An enhanced approach for biochar preparation using fluidized bed and its application for H2S removal".CHEMICAL ENGINEERING AND PROCESSING 104.JUNE(2016):1-12.
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