Biodegradation Of Various Oil Palm Fibre Waste Via Vermicomposting

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dc.contributor.authorZainal, Nahrul Hayawin
dc.date.accessioned2019-08-28T08:15:51Z
dc.date.available2019-08-28T08:15:51Z
dc.date.issued2011-02
dc.description.abstractA study of the biodegradation of various palm oil mill wastes, viz. empty fruit bunch (EFB), oil palm frond (OPF), oil palm trunk (OPT) and palm oil mill effluent (POME) using earthworm species Eudrilus Eugeniae (E.eugeniae) and Eisenia fetida (E.fetida) was conducted under laboratory conditions. Earthworms were weighed weekly and the numbers of cocoons produced per week were assessed. The oil palm biomass was vermicomposted for 84 days under controlled conditions (25 ± 1ºC). 5 g of clitellated adult worms E.eugeniae and E.fetida were added to vermicomposter. In the study of the effects of the earthworms’ digestability towards the major lignocellulotic component (cellulose and lignin) of the EFB in the vermireactors (EFB WORM), results showed significant degradation rate of the cellulose. A similar trend was also observed for the lignin degradation. Meanwhile, lower percentages of the lignocellulosic degradations were observed for the control reactor (without earthworms). The vermicomposts were rich in nitrogen and phosphorus and had low levels of heavy metals. Scanning Electron Microscopy revealed the morphological structure of the oil palm fibre wastes before and after vermicomposting. The data revealed that vermicomposting (using E.eugeniae) is a suitable method for the decomposition of oil palm wastes into value added material, especially for EFB rather than OPT and OPF. The next stage was to determine the growth and reproduction of E.fetida and E.eugeniae to evaluate their suitability for vermicomposting of EFB when amended with POME. A total of six vermicomposters filled with different ratios of EFB and POME were maintained for this study under laboratory conditions.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8713
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectOil Palm Fibreen_US
dc.subjectVermicompostingen_US
dc.titleBiodegradation Of Various Oil Palm Fibre Waste Via Vermicompostingen_US
dc.typeThesisen_US
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