Published Date
Energy Procedia
November 2015, Vol.79:943–949, doi:10.1016/j.egypro.2015.11.591
2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies
Open Access, Creative Commons license
Author
Abstract
Keywords
Hydrogen
methane
palm oil mill effluent
empty fruit bunches
decanter cake
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http://www.sciencedirect.com/science/article/pii/S1876610215023231
Energy Procedia
November 2015, Vol.79:943–949, doi:10.1016/j.egypro.2015.11.591
2015 International Conference on Alternative Energy in Developing Countries and Emerging Economies
Open Access, Creative Commons license
Author
Available online 3 December 2015.
Abstract
Biohythane production from co-digestion of palm oil mill effluent (POME) with empty fruit bunches (EFB) and decanter cake (DC) by two-stage solid state anaerobic digestion process was investigated. The first stage, thermophilic hydrogen fermentation of co-digestion of POME with DC at 10, 30, 50 and 70% of DC in POME has hydrogen yield of 16, 14, 3 and 1 ml H2/gVS, respectively. Co-digestion of POME with 10% DC gave the best hydrogen yield of 16 ml H2/gVS with hydrogen production of 1.4 m3/ton mixed waste. Co-digestion of POME with 10% EFB gave the best hydrogen yield of 16 ml H2/gVS with hydrogen production of 1.4 m3/ton mixed waste. The effluent from the hydrogen production was further converted to methane in the second stage. The methane yield from POME mixed withn10% DC was 391 mlCH4/gVS and from POME mixed with 10% EFB was 240 mlCH4/gVS. The hydrogen and methane content in biogas was 25.33% and 65.21% respectively. The two-stage solid stage anaerobic digestion process can be removal efficiently of cellulose 57-59%, hemicelluloses 35-40% and lignin 16-27%. Result obtained make practical use for the development of two-stage anaerobic digestion process providing hydrogen and methane co-production from palm oil waste residues.
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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/S1876610215023231
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