Abstract
Plastic Plastic is a daily human need, excessive use of plastic has caused serious environmental problems and health problems for humans. The manufacturing process is not environmentally friendly and takes 10 - 50 years to decompose naturally by soil microbes. Therefore, the problem of plastic waste needs a solution, namely waste processing using the combustion pyrolysis method without air pollution which produces by-products in the form of liquids, steam, and solids that have economic value. In this study, Low Density Polyethylene (LDPE) Polyethylene terephthalate (PET) plastic was processed by the pyrolysis method with variations in temperature (70,90,100,125,145) °C and processing time (30,60,90,120,150) minutes. For liquid output, the mass produced from PET (574 grams) is more than that of LDPE (197 grams) obtained at a temperature of 100 °C. The density of the oil produced by pyrolysis in Low Density Polyethylene (LDPE) is close to the density value of gasoline fuel of 731.250 kg/m3, while PETE plastic which is close to the density of gasoline is 767.213 kg/m3 and 784.615 kg/m3 the density is close to ethanol fuel. For solid output, the mass produced from PET (588 grams) is less than LDPE (1740 grams) The solid output quality of LDPE is more sturdy and strong than PET.
Highlights
Excessive usage of plastic has threatened environment and human health if it is managed poorly
One of the solutions to manage plastic waste is through process of pyrolysis
The production of large liquid output was effectively done by using polyethylene terephtalate (PETE) (574 gram) than that of low density polytethylene (LDPE) (197 gram)
Summary
Excessive usage of plastic has threatened environment and human health if it is managed poorly. Indonesia merupakan negara penghasil sampah plastik terbesar ke-2 didunia setelah Tiongkok dan87% dari sampah plastik tersebut dibuang ke laut (Kurniawan and Sari 2016; Nufus and Zuriat 2020; Surono and Ismanto 2016; Yudhantari, Hendrawan, and Ria Puspitha 2019)dan hanya 13% yang berakhir di tempat pembuangan akhir (TPA) atau di daur ulang(Asngad, Amelia, and Aeni 2018; Luing 2016; Reynas Abdila 2021) Seiring dengan kemajuan ilmu pengetahun dan teknologi, sampah plastik dapat diproses untuk dipergunakan kembali hidrokarbon sebagai bahan dasar energy alternatif (Fauziah et al 2020; Wajdi et al 2020).
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