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

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.
E-mail: chazmier@eng.usm.my

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


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4. Arami-Niya, A., W. M. A. Wan Daud, and F. S. Mjalli. "Production of Palm Shell-Based Activated Carbon with More Homogeniouse Pore Size Distribution." Journal of Applied Sciences 10(24) (2010): 3361-3366.
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
6. Arami-Niya, A., et al. "Production of Microporous Palm Shell Based Activated Carbon for Methane Adsorption: Modeling and Optimization using Response Surface Methodology." Chemical Engineering Research and Design 90(6) (2012): 776-784.
7. Hedin, N., L. Chen, and A. Laaksonen. "Sorbents for CO2 Capture from Flue Gas - Aspects from Materials and Theoretical Chemistry." Nanoscale 2(10) (2010): 1819-1841.
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9. Omri, A., and M. Benzina. "Adsorption Characteristics of Silver Ions Onto Activated Carbon Prepared from Almond Shell." Desalination and Water Treatment 51(10-12) (2013): 2317-2326.
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11. Omri, A., A. Wali, and M. Benzina. "Adsorption of Bentazon on Activated Carbon Prepared from Lawsonia Inermis Wood: Equilibrium, Kinetic and Thermodynamic Studies." Arabian Journal of Chemistry Vol. 9 (2016):S1729-S1739, doi:10.1016/j.arabjc.2012.04.047.

Source: Scopus
Last updated: 22 May 2017

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