CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
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
Source PublicationCHEMICAL ENGINEERING AND PROCESSING
ISSN0255-2701
Volume104Issue:JUNEPages:1-12
AbstractFluidized 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.
KeywordBiochar Fluidized Bed H2s Removal Black Liquor
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cep.2016.02.006
Indexed BySCI
Language英语
WOS KeywordHYDROGEN-SULFIDE REMOVAL ; FISCHER-TROPSCH SYNTHESIS ; ACTIVATED CARBON ; BLACK LIQUOR ; SURFACE-AREA ; ADSORPTION ; DIOXIDE ; LIGNIN ; PERFORMANCE ; ADSORBENTS
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational High Technology Research and Development Program 863(2011AA060703) ; Innovation funds of institute of processes engineering of Chinese Academy of Sciences(062702)
WOS IDWOS:000375811300001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21055
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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