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Application of ligninolytic bacteria to the enhancement of lignocellulose breakdown and methane production from oil palm empty fruit bunches (OPEFB)
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Nurika, Irnia, Shabrina, Eka Nur, Azizah, Nurul, Suhartini, Sri, Bugg, Timothy D. H. and Barker, Guy C. (2022) Application of ligninolytic bacteria to the enhancement of lignocellulose breakdown and methane production from oil palm empty fruit bunches (OPEFB). Bioresource Technology Reports, 17 . 100951. doi:10.1016/j.biteb.2022.100951
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Official URL: http://dx.doi.org/10.1016/j.biteb.2022.100951
Abstract
Efficient pretreatment of lignocellulosic biomass is needed to reduce associated energy costs. Lignin-degrading bacteria (Comamonas testosteroni, Agrobacterium sp., Lysinibacillus sphaericus, and Paenibacillus sp.) were tested as potential pre-treatment methods for oil palm empty fruit bunches (OPEFB) to enhance its methane yield during anaerobic digestion (AD). The lignocellulose fractions were analysed for total reducing sugar (TRS), total soluble phenols (TSP), lignin content, weight loss, pH and microscopic analysis carried out both before and after treatment. The methane production was tested using the biochemical methane potential (BMP) test. Bacteria mediated depolymerisation of OPEFB was confirmed through the observation of increased release of TSP and associated lignin breakdown and weight loss of the cultured OPEFB biomass. The highest percentage of lignin breakdown (25.84%) was obtained from OPEFB treated by Lysinibacillus sphaericus, while the highest average specific methane potential (0.042 m3/kg VS) was obtained from treatment with Comamonas testosteroni.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QD Chemistry S Agriculture > S Agriculture (General) T Technology > TP Chemical technology T Technology > TS Manufactures |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) |
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| Library of Congress Subject Headings (LCSH): | Lignocellulose , Lignocellulose -- Biodegradation, Lignocellulose -- Deterioration, Lignin , Lignin -- Biodegradation, Oil palm, Oil palm -- Residues, Agricultural wastes as feed , Methane | ||||||||
| Journal or Publication Title: | Bioresource Technology Reports | ||||||||
| Publisher: | Elsevier | ||||||||
| ISSN: | 2589-014X | ||||||||
| Official Date: | February 2022 | ||||||||
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| Volume: | 17 | ||||||||
| Article Number: | 100951 | ||||||||
| DOI: | 10.1016/j.biteb.2022.100951 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| RIOXX Funder/Project Grant: |
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