? 能源化学(英文)
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能源化学(英文) 2017, Vol. 26 Issue (1) :35-41    DOI: 10.1016/j.jechem.2016.08.009
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Preparation of active carbons from corn stalk for butanol vapor adsorption
Yuhe Caoa, Keliang Wanga, Xiaomin Wanga, Zhengrong Gua, Tyler Ambricob, William Gibbonsc, Qihua Fand, Al-Ahsan Talukderd
a Agricultural and Biosystems Engineering Department, South Dakota State University, Brookings, SD, USA;
b Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY, USA;
c Department of Biology and Microbiology, South Dakota State University, Brookings, SD, USA;
d Electrical Engineering and Computer Science Department, South Dakota State University, USA
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摘要 Active carbons (ACs) were prepared through chemical activation of biochar from whole corn stalk (WCS) and corn stalk pith (CSP) at varying temperatures using potassium hydroxide as the activating agent. ACs were characterized via pore structural analysis and scanning electron microscopy (SEM). These adsorbents were then assessed for their adsorption capacity for butanol vapor. It was found that WCS activated at 900℃ for 1 h (WCS-900) had optimal butanol adsorption characteristics. The BET surface area and total pore volume of the WCS-900 were 2330 m2/g and 1.29 cm3/g, respectively. The dynamic adsorption capacity of butanol vapor was 410.0 mg/g, a 185.1% increase compared to charcoal-based commercial AC (143.8 mg/g).
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关键词Corn stalk   KOH   Active carbon   Gas stripping   Butanol adsorption     
收稿日期: 2016-06-30; 发布日期: 2016-10-19
基金资助:

This work was supported by following projects:(1) "Development of high value carbon based adsorbents from thermochemically produced biochar" USDA-NIFA 2011-67009-20030 through the USDA-NIFA Agriculture and Food Research Initiative Sustainable Bioenergy Program which funded the Micropore analyzer and instruments for modifying AC; (2) NSF EPSCoR Track II Dakota BioCon center (National Science Foundation/EPSCoR Award No. 1330842) supported Mr. Cao Yuhe for his PhD study and GC-MS instrument; (3) DOE Sun Grant Concept Project "Developing Gas Stripping-Adsorption/Desorption Separation Processes based on Porous Carbon Adsorbents for Biofuel Purification from Bioreactors" (North Central Sun Grant Award No. 1300478) supported upgrading the Chemical Adsorption Analyzer.

通讯作者 Zhengrong Gu     Email: Zhengrong.gu@sdstate.edu
引用本文:   
.Preparation of active carbons from corn stalk for butanol vapor adsorption[J]  能源化学(英文) , 2017,V26(1): 35-41
.Preparation of active carbons from corn stalk for butanol vapor adsorption[J]  Journal of Energy Chemistry, 2017,V26(1): 35-41
链接本文:  
http://www.jenergchem.org/CN/10.1016/j.jechem.2016.08.009     或     http://www.jenergchem.org/CN/Y2017/V26/I1/35
 
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