Waste Cooking Oil (WCO) is the waste that came from household. WCO become a threat to community because it will come back to food chains again as residual bulk oil that have cheaper price than branded cooking oil. Lintas Winongo Waste Bank in Bumijo, Jetis, Yogyakarta City are trying to manage the waste cooking oil into recycled products. One of their products is aromatherapy candles. However, they had problem to produce the candles and sell it. They also faced problem about the odor of candle that came from WCO as raw material. The purpose of community service were to provide knowledge and skills to produce aromatherapy candles and to calculate the Cost of Goods Sold (CoGS). The methods in this activity were carried out in two stage. The first activity has organized by training and assistance in producing aromatherapy candles that mixed WCO and other ingredients. The second activity focused in calculating CoGS of candles. The results from these community service activities were increased knowledge and skills about producing aromatherapy candles. There were also increased knowledge about manage CoGS of their products
Waste Cooking Oil (WCO) is classified as municipal waste that potentially could pollute the environment. The form of the chains for waste cooking oil management has never been identified so the benefits are still unknown to the community. Up till now, waste cooking oil is always dumped into drains or sold to third-party collectors for converting it to be residual bulk oil. The risk of dumping waste cooking oil into drains can make the water source pollution. If it is reprocessed for human consumption, it can cause diseases. The added value of waste cooking oil is when converted to energy resource. In Yogyakarta, the chains for waste cooking oil management involved waste banks and Bumdes X that came from Bantul regency. Benefit Cost Ratio (BCR) method was used to determine the added value of the waste cooking oil chains so that it can be used as an energy resource. The BCR for existed WCO chains was less than one because the research didn't consideration illegal chains.
Program Pengabdian pada Masyarakat (PPM) sudah dilakukan selama 2 tahun di bank sampah Lintas Winongo. Anggota Bank Sampah sudah memahami bahwa sampah minyak bekas pakai merupakan jenis sampah yang cukup berbahaya apabila dibuang di saluran air. Perlu adanya penambahan jenis produk baru sebagai tambahan pengetahuan dan ketrampilan anggota Bank Sampah Lintas Winongo. Program PPM ini memfokuskan pada penambahan produk lain dari minyak goreng bekas pakai yaitu produk sabun marble sebagai produk souvenir dan pendampingan pengelolaan perhitungan keuangan. Metode yang digunakan yaitu (1) Sosialisasi, pelatihan dan pendampingan pembuatan sabun marble sebagai produk souvenir dan (2) Sosialisasi dan pendampingan penetapan harga pokok produksi ideal. Pelaksanaan PPM dilakukan secara luring dan daring pada bulan Agustus 2021 dan September 2021. Terdapat peningkatan pengetahuan dari 8% menjadi 92% dan peningkatan ketrampilan dari 8% menjadi 100% dengan adanya program PPM ini. Selain itu juga adanya kemanfaatan program PPM yang telah dilakukan.
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