Citation: LIU Hai-Di, LI Wei-Man, YUE Ren-Liang, CHEN Yun-Fa. Preparation of Active Carbon with more Micropores and Investigation on Its Xylene-Adsorbing Ability[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(9): 1787-1792. doi: 10.3969/j.issn.1001-4861.2013.00.231 shu

Preparation of Active Carbon with more Micropores and Investigation on Its Xylene-Adsorbing Ability

1.
State Key Laboratory of Multi-Phase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

Received Date: 29 January 2013
Available Online: 26 March 2013
Fund Project: 国家高技术研究发展计划(863)(No.2010AA064903) (863)(No.2010AA064903)国家自然科学基金(No.21107111)资助项目。 (No.21107111)

Active carbons with more micropores were prepared with wooden active carbon particles and KOH used as raw material and active agent respectively. The optimized weight ratio between wooden active carbon and KOH was obtained. The low-temperature N₂ adsorption, SEM and XRD methods were employed to investigate the specific surface area, pore-structure, pore size distribution, morphology of particle surface and crystal structure of the as-made samples. The xylene-removal abilities of the samples were assessed with adsorbing experiments on gas streams containing 1,3-xylene (50 mg·L^-1). It was revealed by the results that re-active operation with KOH upon the wooden active carbon obviously enlarge the 1,3-xylene adsorption capacity of the samples which might be resulted by the newly formed micro-pores.
- active carbon;KOH;activation;xylene
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沈阳化工大学材料科学与工程学院沈阳 110142