ANALISIS KELAYAKAN EKONOMI DARI MINYAK HASIL PRODUK CAIR PIROLISIS SAMPAH PLASTIK POLIPROPILEN (PP) DAN LDPE (LOW-DENSITY POLYETHYLENE)

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Vivin Setiani
Adhi Setiawan
Okta Salsha Mazdhatina
Devina Puspitasari

Abstract

Fuel oil (BBM) and plastic waste are problems that occur in Indonesia. The generation of plastic waste is increasing every year and fuel oil is increasingly scarce due to high market demand. One method that is expected to overcome this problem is pyrolysis. Pyrolysis produces liquid products in the form of oil, gas products, and solids in the form of charcoal from combustion. The purpose of this study was to determine the economic feasibility of a liquid pyrolysis product in the form of oil which is expected to replace the increasingly scarce fuel. Data collection in this study consisted of secondary data (plastic waste generation and market prices) and primary data (oil volume). The pyrolysis process of PP and LDPE plastic waste have used a fixed bed reactor. Pyrolysis was carried out for 4 hours with an operating temperature of 325oC. The results of pyrolysis obtained 980 ml of liquid product in the form of oil in one day and obtained 235,200 ml of oil in one year of production. This plastic waste pyrolysis business was carried out by an economic feasibility analysis in which the calculation in one year was that the cost of goods manufactured (HPP) is IDR 17,199 per liter, investment costs IDR 66,438,324, annual fixed operating costs IDR 1,071,821, annual variable costs IDR 2,973,600, value NPV -87,570,622.19 and the BCR value of 0.356 or BCR <1.

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