Journal of Oil Palm Research Vol. 20 June  2008 June p.  453-460

CO2/CH4 and O2/N2 kinetic selectivities of oil palm shell-based carbon molecular sieves

Author(s): AHMAD, M.A * ; WAN DAUD W.M.A. * ; AROUA, M.K. **

Car­bon mol­e­c­u­lar sieves (CMS) have become an inter­est­ing area of adsorp­tion due to their micro­p­orous nature and favourable sep­a­ra­tion fac­tor on size and shape selec­tively basis for many gaseous sys­tems. In this work, CMS were pre­pared from locally avail­able oil palm shell by ther­mal treat­ment of car­boniza­tion fol­lowed by steam acti­va­tion, then ben­zene depo­si­tion. The car­boniza­tion of dried palm shell at 900°C for 1 hr fol­lowed by steam acti­va­tion at 30–420 min pro­duced acti­vated car­bons with var­i­ous degrees of burn-off. The high­est micro­p­ore sur­face area and micro­p­ore vol­ume of the acti­vated sam­ples were obtained at 53.2% burn-off. This sam­ple was found suit­able to be used as pre­cur­sor for CMSs pro­duc­tion in the depo­si­tion step. Sub­se­quent ben­zene depo­si­tion onto acti­vated sam­ples at tem­per­a­tures from 600°C-900°C from var­i­ous ben­zene con­cen­tra­tions resulted in a series of CMS with dif­fer­ent O2/N2 and CO2/CH4 kinetic selectivities.

Keywords: , , ,

Author Information
* School of Chemical Engineering, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia.

** Department of Chemical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.

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5. Arami-Niya, A., et al. "Study the Effect of Preparation Conditions of Activated Carbon from Palm Shell for Methane Adsorption". ICBEE 2010 - 2010 2nd International Conference on Chemical, Biological and Environmental Engineering, Proceedings. :381-385
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Source: Scopus
Last updated: 22 May 2017

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