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Waste-to-energy plant to produce 700 kw
In an attempt to tackle the growing mountain of waste at the Bantar Gebang Integrated Waste Treatment Area (TPST) in Bekasi, West Java, a waste-to-energy power plant (PLTSa) pilot project has been launched
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n an attempt to tackle the growing mountain of waste at the Bantar Gebang Integrated Waste Treatment Area (TPST) in Bekasi, West Java, a waste-to-energy power plant (PLTSa) pilot project has been launched.
The project was inaugurated on Monday by Coordinating Maritime Affairs Minister Luhut Binsar Pandjaitan, Research, Technology and Higher Education Minister Mohamad Nasir and representatives from the Environment and Forestry Ministry, as well as officials from the Jakarta administration.
According to Assessment and Application of Technology Agency (BPPT) head Hammam Riza, the plant is expected to be able to process 100 tons of waste every day and produce up to 700 kilowatts of electricity, a relatively tiny amount compared with the over 7,000 tons of waste delivered daily to the dumpsite from the capital Jakarta.
“This is a waste-to-energy concept, from trash to producing electricity. The trash processed in this plant is that which cannot be recycled,” Hammam said on Tuesday.
The plant is a result of collaboration between the Jakarta administration, which provided the land needed for the project, and the BPPT, which constructed and developed the plant, first planned in 2017. The project cost the state Rp 900 billion (US$63.32 million). The plant is a part of the National Strategic Project (PSN).
Minister Luhut said the central government wanted it to be completed soon.
“We want the construction of Bantar Gebang PLTSa to finish soon, so the Perpres on waste treatment in 12 cities has been issued,” Luhut said.
Luhut was referring to Presidential Regulation (Perpres) No. 35/2018 on accelerating environmentally friendly waste-to-energy power plants, which stipulates Jakarta, Tangerang, South Tangerang, Bekasi, Bandung, Semarang, Surakarta, Surabaya, Makassar, Denpasar, Palembang and Manado should develop waste-to-energy power plants soon.
Hamman said that even though the PLTSa in Bantar Gebang could only process up to 100 tons of waste, it could be the stepping stone to developing a power plant with a bigger capacity of up to 1,500 tons of daily waste.
Hammam said the pilot project could set an example for other cities in the country to construct a PLTSa as one of the ways to address waste problems in their areas.
For the Bantar Gebang PLTSa, BPPT is using a thermal process waste-processing technology. Hammam said that BPPT was able to develop the PLTSa within a year using proven technology. “This pilot project is the product of the BPPT’s own design team,” he said.
Hammam said the plant could also serve as a research station for waste treatment, to develop a new locally sourced PLTSa waste-to-energy operational system, as well as calculating the tipping and operational fees, and other fees for waste processing
He said the Bantar Gebang plant was also constructed with a high degree of local content (TKDN) in mind, with most of the equipment procured from local partners.
“Most of the equipment is locally produced, thus we named the plant PLTSa Merah Putih,” Hammam added.
He said the plant was able to achieve 65 percent TKDN, while the remaining 35 percent comprised the steam turbine steam from India, and other parts from China.
Hammam said the plant was not designed to fully address Jakarta’s waste problem but to assist the Jakarta administration in developing the technology needed to build a PLTSa.
“This is not designed to handle over 7,000 tons of waste, that’s the Jakarta administration responsibility. However, the BPPT is providing the technology [to process waste to energy],” he said.
He said that such a PLTSa could also be constructed in each Jakarta municipality if the administration wanted to, as it was environmentally friendly and safe enough to be developed inside an urban area.
Jakarta is in a race to address its waste problem as the Bantar Gebang dump is expected to reach its 50-million-ton maximum capacity by 2021.
In December last year, the Jakarta administration kicked off construction of Jakarta’s own Intermediate Treatment Facility (ITF) in Sunter, North Jakarta.
Helmed by a joint venture between city-owned PT Jakarta Propertindo and Finnish energy company Fortum, the facility is expected to transform 2,200 tons of waste into 25 megawatts of electricity.
The construction is expected to be finished in three years, with funding from the World Bank’s International Finance Corporation worth Rp 3.6 trillion.
The city also plans to build ITF facilities in three other locations: Marunda in North Jakarta, Cakung in East Jakarta and Duri Kosambi in West Jakarta.
