Comparative start-up between mesophilic and thermophilic for acidified palm oil mill effluent treatment

Muhammad Arif Fikri Hamzah, Jamaliah Md Jahim, Peer Mohamed Abdul

Research output: Contribution to journalConference article

Abstract

Malaysia is one of the largest palm oil producers in the world and its most abundant waste, palm oil mill effluent (POME), can be used as a feedstock to produce methane. Anaerobic digestion is suitable for treating the POME for methane production due to its tolerance to high strength chemical oxygen demand (COD). This work emphasizes the study of conditions during the start-up of anaerobic digestion of acidified POME between thermophilic (55 °C) and mesophilic (37 °C). The pH of the digester was maintained throughout the experiment at 7.3±0.2 in 1000 ml working volume. The study showed that the thermophilic was much faster to stabilize on the 44th days compared with the mesophilic on the 52nd days. Furthermore, the thermophilic also indicates higher biogas production, which was 0.60 l/l/d compared with 0.26 l/l/d of mesophilic. This result can be supported by the COD removal of thermophilic which also higher.

Original languageEnglish
Article number012028
JournalIOP Conference Series: Earth and Environmental Science
Volume268
Issue number1
DOIs
Publication statusPublished - 2 Jul 2019
EventInternational Conference on Sustainable Energy and Green Technology 2018, SEGT 2018 - Kuala Lumpur, Malaysia
Duration: 11 Dec 201814 Dec 2018

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mill
effluent
chemical oxygen demand
oil
methane
biogas
tolerance
experiment
anaerobic digestion
waste oil
digester
removal
world

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Comparative start-up between mesophilic and thermophilic for acidified palm oil mill effluent treatment. / Fikri Hamzah, Muhammad Arif; Md Jahim, Jamaliah; Mohamed Abdul, Peer.

In: IOP Conference Series: Earth and Environmental Science, Vol. 268, No. 1, 012028, 02.07.2019.

Research output: Contribution to journalConference article

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