Scholarlink

Abstract <p>The objective of this research is to investigate the effect of pyrolysis temperature variation on the selectivity of gasoline fraction from polypropylene (PP) plastic waste. The pyrolysis process was conducted using a semi-batch stainless steel reactor at three different temperatures: 350, 400, and 450°C, each with a constant residence time of 60 min. The liquid products were condensed and analyzed using Fourier transform infrared spectroscopy (FTIR) and gas chromatography–mass spectrometry (GC-MS). Results show that the highest oil yield was obtained at 400°C (85.72&#xa0;wt&#xa0;%), while 350 and 450°C produced 48.67  and 75.92&#xa0;wt&#xa0;%, respectively. FTIR analysis revealed the presence of hydrocarbon functional groups including alkanes and alkenes. GC-MS results indicate that 400°C yielded the highest concentration of C<sub>9</sub>–C<sub>11</sub> hydrocarbons, with C<sub>9</sub> being the most abundant at 36%, followed by C<sub>10</sub> (15%) and C<sub>11</sub> (12%). This range corresponds to the gasoline fraction (C<sub>5</sub>–C<sub>12</sub>), which peaked at 60.72&#xa0;wt&#xa0;% at 400°C. Therefore, 400°C is identified as the optimal temperature for maximizing both oil yield and gasoline selectivity in PP pyrolysis.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Effect of Pyrolysis Temperature Variation on Gasoline Selectivity from Polypropylene Plastic Waste

  • 期刊论文

  • 发表日期：

    2025年12月1日

查看全文
  • Mazlan,
  • Ari Handono Ramelan,
  • Khoirina Dwi Nugrahaningtyas

摘要

Abstract

The objective of this research is to investigate the effect of pyrolysis temperature variation on the selectivity of gasoline fraction from polypropylene (PP) plastic waste. The pyrolysis process was conducted using a semi-batch stainless steel reactor at three different temperatures: 350, 400, and 450°C, each with a constant residence time of 60 min. The liquid products were condensed and analyzed using Fourier transform infrared spectroscopy (FTIR) and gas chromatography–mass spectrometry (GC-MS). Results show that the highest oil yield was obtained at 400°C (85.72 wt %), while 350 and 450°C produced 48.67  and 75.92 wt %, respectively. FTIR analysis revealed the presence of hydrocarbon functional groups including alkanes and alkenes. GC-MS results indicate that 400°C yielded the highest concentration of C9–C11 hydrocarbons, with C9 being the most abundant at 36%, followed by C10 (15%) and C11 (12%). This range corresponds to the gasoline fraction (C5–C12), which peaked at 60.72 wt % at 400°C. Therefore, 400°C is identified as the optimal temperature for maximizing both oil yield and gasoline selectivity in PP pyrolysis.