Improving sustainability and circularity of palm oil by anaerobic digestion of empty fruit bunch, mesocarp fibre, and palm oil mill effluent, enabling selfsufficient energy production from biogas

J.A. Voogt*, J.C. Barrera Hernandez, J.W. Van Groenestijn, H.W. Elbersen, J.A. Garcia-Nunez

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademicpeer-review

Abstract

The sustainability and circularity of the production of palm oil can be improved by anaerobic digestion of EFB, MF, and POME. Anaerobic digestion experiments with untreated and steam treated EFB and MF were performed. It was experimentally proven that steam treatment of EFB and MF improves the anaerobic digestibility of these residues. Alternative conceptual palm oil mill set-ups, including anaerobic digestion, were analysed on technoeconomic, environmental, and circularity aspects. The biogas from the EFB, MF, and POME can provide enough energy to be self-sufficient in steam and electricity. If the steam boiler runs on biogas instead of biomass, no cyclone and electrostatic filter are required for emission control, which equalizes the fixed capital costs related to a biogas system. Preventing methane emission from open POME ponds drastically decreases GHG emission. Besides, extra revenues can be obtained from surplus electricity. Moreover, the nutrients and recalcitrant organic matter are preserved in the sludge and effluent, which can be returned to the soil of the plantation.

Original languageEnglish
Title of host publicationBiomass Conversion for Bioenergy
Subtitle of host publicationAnaerobic Digestion for Biogas and Biomethane Production
Place of PublicationFlorence
PublisherETA-Florence Renewable Energies
Pages589-595
Number of pages7
ISBN (Print)9788889407219
DOIs
Publication statusPublished - 2021
Event29th European Biomass Conference and Exhibition, EUBCE 2021 - Virtual, Online
Duration: 26 Apr 202129 Apr 2021

Publication series

NameEuropean Biomass Conference and Exhibition Proceedings
PublisherETA-Florence Renewable Energies
ISSN (Print)2282-5819

Conference

Conference29th European Biomass Conference and Exhibition, EUBCE 2021
CityVirtual, Online
Period26/04/2129/04/21

Keywords

  • Anaerobic digestion
  • Circular economy
  • Economics
  • Greenhouse gases (GHG)
  • Palm oil
  • Residues

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