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Catalytic gasification of empty fruit bunch for enhanced production of hydrogen rich fuel gas


Al-Obaidi, Mohammed Mahmoud Ahmad and Ali, Salmiaton and Wan Ab. Karim Ghani, Wan Azlina and Mohd Salleh, Mohamad Amran and Omar, Rozita and Yap, Taufiq Yun Hin and Ahmadun, Fakhru'l-Razi (2012) Catalytic gasification of empty fruit bunch for enhanced production of hydrogen rich fuel gas. Pertanika Journal of Science & Technology, 20 (1). pp. 139-149. ISSN 0128-7680; ESSN: 2231-8526

Abstract / Synopsis

Oil palm is widely grown in Malaysia. There has been interest in the utilization of oil palm biomass for production of environmental friendly biofuels. The gasification of empty fruit bunches (EFB), a waste of the palm oil industry, was investigated in this study to effectively and economically convert low value and highly distribution solid biomass to a uniform gaseous mixture mainly hydrogen (H2). The effects of temperature, equivalence ratio (ER) and catalyst adding on the yields and distribution of hydrogen rich gas products were also investigated. The main gas species generated, as identified by GC, were H2, CO, CO2, CH4and trace amounts of C2 H4 and C2 H6. With temperature increasing from 700 to 1000°C, the total gas yield was enhanced greatly and reached the maximum value (~ 90 wt. %) at 1000°C with a big portion of H2(38.02 vol. %) and CO (36.36 vol. %). Equivalence ratio (ER) showed a significant influence on the upgrading of hydrogen production and product distribution. The optimum ER (0.25) was found to attain a higher H2 yield (27.42 vol. %) at 850°C. The effect of adding catalysts (Malaysian dolomite1, P1), Malaysian dolomite2 (GML), NaOH, NaCl, CaO, ZnO, NiO) as a primary catalyst on gas product yield was investigated, and it was found that adding dolomite showed the greatest effect with the maximum H2 yield achieved (28.18 vol.%) at 850°C.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Faculty of Science
Publisher: Universiti Putra Malaysia Press
Keywords: Biomass; Hydrogen; Gasification; Catalyst adding
Depositing User: Najah Mohd Ali
Date Deposited: 04 Nov 2015 10:50
Last Modified: 29 Nov 2016 09:43
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