Palm oil waste in palm oil mill

Date:2014-10-29/ Industry news/ Chat Online
The Palm Oil industry generates large quantity of wastes whose disposal is a challenging task, palm kernel shells, empty fruit bunches, palm oil mill effluent.
 palm oil industry
Palm oil waste
1>Palm oil waste _ palm kernel shells (PKS)
Press fibre and shell generated by the Palm Oil mills are traditionally used as solid fuels for steam boilers. The steam generated is used to run turbines for electricity production. These two solid fuels alone are able to generate more than enough energy to meet the energy demands of a Palm Oil mill.
2>Palm oil waste _ empty fruit bunches (EFBs)
In contrast to shells and fibers, empty fruit bunches are usually burnt causing air pollution or returned to the plantations as mulch. Since shells and fibres are easy-to-handle, high quality fuels compared to EFB, it will be advantageous to utilize EFB for on-site energy demand while making shells and fibres available for off-site utilization which may bring more revenues as compared to burning on-site.
3>Palm oil waste _ palm oil mill effluent (POME)
In a conventional Palm Oil mill, 600-700 kg of POME is generated for every ton of processed FFB. Anaerobic digestion is widely adopted in the industry as a primary treatment for POME. Liquid effluents from palm oil mills can be anaerobically converted into biogas which in turn can be used to generate power through gas turbines or gas-fired engines.
Presently, shells and fibers are used for in-house energy generation in mills but empty fruit bunches is either used for mulching or dumped recklessly. Palm Oil industry has the potential of generating large amounts of electricity for captive consumption as well as export of surplus power to the public grid.

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