Diversification of Used Cooking Oil into Biodiesel as an Attempt to Increase BumDes Mangesti Sejahtera’s Revenue in Gentan Village, Baki District, Sukoharjo Regency
One of the types of waste produced by the Gentan community is used cooking oil. Previously, the people and the business actors in Gentan reused it in their daily activities. However, they acknowledge that it may damage food nutrition and even cause cancers for its fatty acids. In response to such problems, the Regency Government worked jointly to construct a waste recycling technology called TPS3R. In 2021, the head of Gentan stated that they had started an activity called GELIMPAH (Gentan Peduli Sampah, the community’s action of concern towards waste) program by collecting wastes from households and converting those into gold savings under the waste-to-gold program supported by PT Pegadaian. BUMDes (Badan Usaha Milik Desa or Village-Owned Enterprise) also collected used cooking oil from residents and business units as much as 30-50 m3 per week—even collected 70 m3 in the last week of March 4th, 2022. The collected oil was expected to be appropriately processed and economically valuable for the community. Together with the head of Gentan, the team worked in diversifying used cooking oil to become a biodiesel fuel. This activity was expected to be a parameter or benchmark for the collaboration’s fruitfulness regarding constructing a biodiesel development zone from used cooking oil. Furthermore, it was also expected that there would be the re-establishment of the used cooking oil processing technology into biodiesel (using biodiesel refinery technology) by building a biodiesel reactor with 100 L capacity. This application aimed to develop Gentan as a biodiesel or bio-energy development zone in Sukoharjo, as it produces a reactor as a technological handover from the university to the community, along with establishing cooperation between universities, other higher education institutions, and the community or BUMDes. This appropriate technology’s implementation has resulted in a reactor for processing used cooking oil into biodiesel with the characteristics according to SNI-2015.
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