Aini, Ulfa Fitri (2022) ANALISIS KUALITAS BAHAN BAKAR MINYAK HASIL PIROLISIS SAMPAH PLASTIK POLIPROPILENA DENGAN KATALIS ZEOLIT ALAM. Skripsi thesis, Universitas Muhammadiyah Sukabumi.

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Abstract

ULFA FITRI AINI. Analysis of the Quality of Fuel Oil from Pyrolysis of Polypropylene Plastic Waste with Natural Zeolite Catalyst. Supervised by DEVI INDAH ANWAR, LELA LAILATUL KHUMAISAH. Plastic has properties that cannot be decomposed naturally, so it can pollute the environment. To overcome this, plastic waste can be converted into fuel oil through the pyrolysis process. This pyrolysis process is usually carried out at high temperatures and requires a longer time. Therefore, in this study, natural zeolite was used as a catalyst for decomposition reactions at low temperatures, shortening reaction time, and improving the quality of the resulting product. The purpose of this study was to analyze the quality of fuel oil produced from the pyrolysis of polypropylene (PP) plastic waste with variations in the addition of natural zeolite as a catalyst. Natural zeolite was activated physically by heating at a temperature of 300˚C and chemically by adding 1 N HCl solution, the results were analyzed by surface area analyzer (SAA) using the BET (Brunaure Emmert Teller) method. 5 kg of PP plastic waste was put into a pyrolysis reactor with the addition of natural zeolite with a temperature range of 130 – 200°C. The pyrolysis oil was purified using the distillation method with a temperature range of 40 – 180°C, the distillate components were analyzed using gas chromatography-mass spectrometry (GCMS). The quality of the pyrolysis fuel is determined by the octane number. The surface area of the catalyst after activation was 22,422 m²/g. The pyrolysis process without using a catalyst takes 4 hours to start receiving the distillate, using a catalyst it only takes 2.5 hours. The distillate oil becomes clearer and yellow in color, and the obtained distillation at a temperature of 130 – 180°C produces more oil droplets. This is in accordance with the characteristics of gasoline type fuel oil. Based on GC-MS analysis data, the main component of the pyrolysis oil is 2,4- dimethyl-1-heptene (C9H18), which belongs to the type of olefin in the gasoline component, with the highest % C4 - C12 (gasoline fraction) recovery. The highest octane number was obtained with the addition of 20% catalyst, which is 90.2, this value is higher than the quality standard for gasoline, which is 88.

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	pyrolysis, polypropylene, natural zeolite, GC-MS, octane number
Subjects:	Q Science > Q Science (General) Q Science > QD Chemistry
Divisions:	Fakultas Sains dan Teknologi > Kimia
Depositing User:	Perpus ID UMMI
Date Deposited:	16 Feb 2023 03:43
Last Modified:	16 Feb 2023 04:29
URI:	http://eprints.ummi.ac.id/id/eprint/3023

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