Journal
INTERNATIONAL JOURNAL OF SUSTAINABLE ENERGY
Volume 41, Issue 11, Pages 2044-2096Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786451.2022.2130923
Keywords
Anaerobic digestion; bioenergy; biological pretreatment; circular economy; co-digestion; multi-product biorefinery
Categories
Funding
- Kementerian Riset dan Teknologi/Badan Riset dan Inovasi Nasional [108/E4.1/AK.04, PT/2021, 127.34/UN10.C10/TU/2021]
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This paper reviews OPEFB as feedstock in anaerobic digestion systems and sustainable strategies to enhance methane yield. The findings emphasize the importance of improving the value-added benefits from OPEFBs and making pre-treatment processes more sustainable for wider application.
Indonesia has abundant oil palm empty fruit bunches (OPEFBs). However, high lignin content in OPEFBs may hinder their valorisation to bioenergy resources, as its degradation by microorganisms is rate-limiting. This paper aims to review OPEFB as feedstock in anaerobic digestion (AD) systems and sustainable strategies to enhance methane yield. This paper provides a comprehensive review of the availability of OPEFB, the prospective of AD technology, and compares various biological pretreatment and co-digestion strategies for superior AD process. Improving the value-added benefits from OPEFBs and simultaneously making pre-treatment processes more sustainable is critical to wider application. Several scenarios were proposed by combining multi-stage pre-treatment of physical and mushroom cultivation pre-treatment prior to AD. This paper presents an original approach to establishing a commercially viable and sustainable AD of OPEFBs in Indonesia by integrating multi-product biorefinery and a circular economy. Further investigation is required to ensure cost-effective and eco-friendly configurations.
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