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Sunny Yulia, Prayang
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Soap Bar Making from Waste Cooking Oil for Residents of 07 Area, Duri Pulo Sub-district, Jakarta Pauhesti, Pauhesti; Sunny Yulia, Prayang; Widiyatni, Harin; Sutadiwiria, Yarra; Jane, Gabey; Yanti, Widia
International Journal Of Community Service Vol. 4 No. 2 (2024): May 2024 (Indonesia - Ethiopia )
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijcs.v4i2.265

Abstract

Cooking oil that is no longer utilized can be used as a basic ingredient in the production of soap bar, and other products that can be used in daily life, such as washing clothes or kitchen utensils. The remainder of cooking oil, also known as waste cooking oil, is typically poured down the drain, where it can plug the drain since the oil freezes at low temperatures, causing environmental pollution. Based on this issue, the FTKE Universitas Trisakti community service team taught inhabitants of 07 Area, Duri Pulo Sub-district, Jakarta how to make bar soap from waste cooking oil. However, waste cooking oil cannot be used directly as an ingredient for creating soap because of the color and aroma, therefore it must be cleaned first by adding activated carbon, namely charcoal as an adsorbent, into the waste cooking oil to absorb the color and aroma. Later on, mix the oil and lye (a combination of NaOH and water), stir until the mixture resembles liquid soap, and then add around 1 ml of fragrance. Put the mixture in the drain. Leave the soap in the mold for 24 hours until it solidifies and hardens, then remove from the mold. It is intended that with this training, locals would be able to better their economic standing by saving more money while simultaneously helping to save the environment.
Introduction and Consultation on the Indonesia's Oil and Gas Sharing Contract at CNG Co. Sunny Yulia, Prayang; Hari Karyadi Oetomo, R.; Ristawati, Arinda; Fattahanisa, Aqlyna; Kurniawati, Riskaviana
International Journal Of Community Service Vol. 4 No. 4 (2024): November 2024 (Indonesia - Thailand - Malaysia)
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijcs.v4i4.812

Abstract

Indonesia's oil and gas sector has traditionally employed Production Sharing Contracts (PSCs) to regulate the sharing of revenues between the government and contractors. Two key PSC models are used: PSC Cost Recovery and PSC Gross Split. The PSC Cost Recovery model allows contractors to recover their exploration and production costs before profits are shared, providing financial protection but reducing long-term profitability. Conversely, the PSC Gross Split model, introduced in 2017, offers a simpler revenue-sharing mechanism, eliminating cost recovery and directly splitting gross revenue between the government and contractors. This study analyzes the financial implications of both models using economic simulations, focusing on key indicators like net cash flow, net present value (NPV), pay-out time, and discounted cash flow (DCF) rate of return. Results show that the Gross Split model generates significantly higher gross revenue ($420.908 million) than Cost Recovery ($46.362 million), but at the cost of greater financial risks for contractors due to higher upfront investments and operating costs. The Gross Split model also provides higher long-term returns, with a net cash flow of $67.138 million compared to $8.252 million in Cost Recovery. However, the pay-out time is longer, and the DCF rate of return is slightly lower (29.95% vs. 31.8%). Ultimately, PSC Gross Split is more suited for contractors with higher risk tolerance and capital resources, while PSC Cost Recovery may be preferable for smaller contractors seeking to minimize financial risks. Both models offer distinct advantages depending on the contractor’s financial capacity and risk appetite.
Co-Authors Aqlyna Fattahanisa Hari Karyadi Oetomo, R. Harin Widiyatni Jane, Gabey Kurniawati, Riskaviana Pauhesti, Pauhesti Ristawati, Arinda Widia Yanti, Widia Yarra Sutadiwiria