Published Date
Energy Procedia
November 2015, Vol.79:838–844, doi:10.1016/j.egypro.2015.11.575
2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies
Open Access, Creative Commons license
Author
Solid state anarobic digestion
Biogas production
Empty fruit bunches
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http://www.sciencedirect.com/science/article/pii/S1876610215023073
Energy Procedia
November 2015, Vol.79:838–844, doi:10.1016/j.egypro.2015.11.575
2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies
Open Access, Creative Commons license
Author
Available online 3 December 2015.
Abstract
Solid state anaerobic digestion is a safe and environmental friendly technology to dispose solid wastes, could produce methane and reduce the volume of wastes. Three biomass residues from palm oil mill plant including empty fruit bunches (EFB), palm press fiber (PPF) and decanter cake (DC) were evaluated for methane production by solid state anaerobic digestion. Oil palm biomass was mixed with inoculum at F/I ratio of 2:1, 3:1, 4:1, 5:1 and 6:1 based on the volatile solid (VS). Results show that among the five F/I ratios tested, the F/I ratio of 2:1 gave the highest methane yield and methane production for all biomass residues. The highest cumulative methane production of 2180 mLCH4 was obtained from EFB followed by PPF (1964 mL CH4) and DC (1827 mL CH4) at F:I ratio of 2:1. The highest methane yield of 144 mL CH4/gVS was obtained from EFB followed by PPB (140 mL CH4/gVS) and DC (130 mL CH4/gVS) at F/I ratios of 2:1. Methane production from EFB, PPF and DC by SS-AD was 55, 47 and 41 m 3 CH4/ton, respectively. These results collectively suggested that EFB could be a promising substrate for methane production by SS-AD
Keywords
Oil palm biomass
Abstract
Solid state anaerobic digestion is a safe and environmental friendly technology to dispose solid wastes, could produce methane and reduce the volume of wastes. Three biomass residues from palm oil mill plant including empty fruit bunches (EFB), palm press fiber (PPF) and decanter cake (DC) were evaluated for methane production by solid state anaerobic digestion. Oil palm biomass was mixed with inoculum at F/I ratio of 2:1, 3:1, 4:1, 5:1 and 6:1 based on the volatile solid (VS). Results show that among the five F/I ratios tested, the F/I ratio of 2:1 gave the highest methane yield and methane production for all biomass residues. The highest cumulative methane production of 2180 mLCH4 was obtained from EFB followed by PPF (1964 mL CH4) and DC (1827 mL CH4) at F:I ratio of 2:1. The highest methane yield of 144 mL CH4/gVS was obtained from EFB followed by PPB (140 mL CH4/gVS) and DC (130 mL CH4/gVS) at F/I ratios of 2:1. Methane production from EFB, PPF and DC by SS-AD was 55, 47 and 41 m 3 CH4/ton, respectively. These results collectively suggested that EFB could be a promising substrate for methane production by SS-AD
Keywords
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- ☆Peer-review under responsibility of the Organizing Committee of 2015 AEDCEE.
- ⁎ Corresponding author. Tel.: +66-74-693-992; fax: +66-74-693-992.
Copyright © 2015 The Authors. Published by Elsevier Ltd.
http://www.sciencedirect.com/science/article/pii/S1876610215023073
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