With the Project:
Sri Jelutung 1.5MW Biogas Power Plant
The Sri Jelutung 1.5 MW biogas power plant renewable energy project was completed in October 2017 by Cenergi Tanah Makmur Sdn Bhd company. Palm oil mill effluent serves as the plant’s energy feedstock. The effluent is sent to a sealed anaerobic digester where the methane is captured for energy purposes. In a further step, the part-methane biogas mixture undergoes pre-treatment before being burnt in a single-unit gas engine, producing electricity that is then exported to the national electric grid.
Sri Jelutung palm oil mill is located in the eastern region of the peninsula Malaysia, in the state of Pahang, where there are many oil palm plantations harvesting full-fruit bunches to produce crude palm oil. Large quantities of palm oil mill effluent wastewater is produced during the stages of sterilisation and pressing, and this water is considered to have a high potential for energy. The Malaysian government has set a target of 20% of the national electricity to be generated from renewable sources by 2025 and to reduce environmental impact.
Prior to the installation of the biogas plant, Sri Jelutung palm oil mill used an open pond treatment system where methane would be released freely into the atmosphere from the decomposition of organic matter contained in the effluent. The primary objective of Sri Jelutung plant is to reach 10,174 MWh of exported energy per year which is the annual availability limit declared by SEDA. The plant is aiming for a 100% capacity loading during 7,500 operation hours per year with regular maintenance every 2,000 hours.
The project site covers an area of about 15,000 m2, over half of which is allocated for the covered lagoon anaerobic digester. This is where the effluent from the mill’s cooling pond is funnelled to and where biogas is produced and stored. Underground pipes funnel the effluent from the mill’s cooling pond to a mixing pit where it is mixed with recycled palm oil mill effluent before being pumped to the anaerobic digester. The gas treatment area is constructed next to the digester, and this is where the scrubber, blowers, de-humidifier, and gas engine are situated.
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