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Improvement of biogas production from oil palm empty fruit bunches (OPEFB)
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2011 (English)In: Industrial crops and products (Print), ISSN 0926-6690, E-ISSN 1872-633X, Vol. 34, no 1, p. 1097-1101Article in journal (Refereed)
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

Oil palm empty fruit bunches (OPEFB), a waste lignocellulosic material, which is the main byproduct of vegetable oil production industries in Indonesia and Malaysia, was utilized as a source for biogas production. Pretreatments using NaOH as well as phosphoric acid were investigated to improve the biogas production. Clear positive effects of the pretreatments on the yield of methane were observed. The best improvement was achieved when 8% NaOH for 60 min was used for the pretreatment, which resulted in 100% improvement in the yield of methane production. In addition, treatment with phosphoric acid resulted in 40% improvement in the methane yield compared with that of the untreated material. The results showed that the carbohydrate content of OPEFB could be efficiently converted to methane under the anaerobic digestion process. 97% of the theoretical value of methane production was achieved after the pretreatment with NaOH for 60 min. Moreover, the initial rate of methane production was also increased by more than 85% after the treatment with NaOH compared with that of the untreated OPEFB.

Place, publisher, year, edition, pages
2011. Vol. 34, no 1, p. 1097-1101
Keywords [en]
OPEFB, pretreatment, biogas, methane production, phosphoric acid, sodium hydroxide
Keywords [sv]
Energi och material
National Category
Industrial Biotechnology
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-3237DOI: 10.1016/j.indcrop.2011.03.022Local ID: 2320/9773OAI: oai:DiVA.org:hb-3237DiVA, id: diva2:871334
Available from: 2015-11-13 Created: 2015-11-13 Last updated: 2017-12-01

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Karimi, KeikhosroSárvári Horvátha, Ilona

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