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Pretreatment of oil palm empty fruit bunch (OPEFB) by N-methylmorpholine-N-oxide (NMMO) for biogas production: Structural changes and digestion improvement
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2013 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 128, no 1, 461-466 p.Article in journal (Refereed) Published
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

Pretreatment of OPEFB (oil palm empty fruit bunch) by NMMO (N-methylmorpholine-N-oxide) on its subsequent digestions was investigated. The pretreatments were carried out at 90 and 120 °C for 1, 3, and 5 h in three different modes of dissolution (by 85% NMMO solution), ballooning (79% NMMO solution), and swelling (73% NMMO solution). The total solid recovery after the pretreatment was 89–94%. The pretreatment process did not have a major impact on the composition of OPEFB, other than a reduction of ash from 5.4% up to 1.3%. The best improvement in biogas production was achieved by a dissolution mode pretreatment of OPEFB, using conditions of 85% NMMO, 3 h, and 120 °C. It resulted in 0.408 Nm3/kg VS methane yield and 0.032 Nm3 CH4/kg VS/day initial methane production rate, which correspond in improving by 48% and 167% compared to the untreated OPEFB, respectively.

Place, publisher, year, edition, pages
Elsevier , 2013. Vol. 128, no 1, 461-466 p.
Keyword [en]
Resource Recovery
National Category
Industrial Biotechnology
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-1342DOI: 10.1016/j.biortech.2012.10.088ISI: 000315545800065PubMedID: 23201529Local ID: 2320/11555OAI: oai:DiVA.org:hb-1342DiVA: diva2:869366
Available from: 2015-11-13 Created: 2015-11-13 Last updated: 2016-07-13Bibliographically approved

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Sárvári Horváth, IlonaTaherzadeh, M.J.
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CiteExportLink to record
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