Case study_Indonesia_Supply of biogas unit for power generation in Tandum0 pages

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Dresser-Rand Environmental Solutions

Biogas Units Generate
Power for Palm Oil Mill

PTPN5-KME / PTPN5 –Tandun, Indonesia Case Study
Dresser-Rand supplies
biogas units to generate
power for Indonesian
Tandun.

The Opportunity
Palm oil mill effluent (POME) and the subsequent release of methane gas are
harmful to the environment. PKS Tandun and PKS Sei Tapung are two projects
in Riau province, Samatra, Indonesia that are introducing methane recovery and
combustion into an existing anaerobic lagoon wastewater system.
The lagoon will be covered with high density polyethylene plastic to recover the
biogas / methane released from the anaerobic digestion of organic matter within
the POME that is discharged from palm oil processing.
The methane can then be repurposed, in this case for
renewable electricity. The electricity generated from
PKS Tandun will be exported to PTPN-V’s palm kernel
crushing plant which uses a diesel generator for electricity
generation. As for PKS Sei Tapung, the electricity
generated will be exported to PTPN-V for downstream
activities (e.g., empty fruit bunches pelletizing plant or
palm tree trunk plywood plant) that would otherwise use
diesel generators to generate electricity. Both systems will
effectively reduce methane emissions into the atmosphere
by converting the methane into carbon dioxide through
combustion.

The Solution
This project will recover and combust the biogas
(methane) released due to the decaying biogenic matter
in the wastewater effluent stream of the palm oil mill by
introducing biogas recovery and combustion to the existing
anaerobic effluent treatment system. The project will use
the Dresser-Rand Guascor® SFGM 560 containerized
generator set, operating in parallel with an existing diesel
generator set. The system will supply an average of 900
kW per hour.
The PKS Tandun project activity is estimated to treat
approximately 148,575 m3 of POME annually and reduce
emissions by approximately 15,589 tCO2e. The PKS Sei
Tapung project activity is estimated to treat approximately
139,160 m3 of POME annually and reduce emissions by
approximately 14,854 tCO2e.