Pioneering bio-oil extraction: The role of transition metal oxide zeolite catalysts in co-pyrolyzing palm fronds and high-density polyethylene

Q1 Environmental Science Case Studies in Chemical and Environmental Engineering Pub Date : 2024-12-01 Epub Date: 2024-06-22 DOI:10.1016/j.cscee.2024.100821

Muhammad Irvan Hasibuan , Saharman Gea , Shiplu Sarker , Marpongahtun , Diana Alemin Barus , Minto Supeno , Alwi Khairunsyah Pinem , Farah Arfani Daulay , A. Muhammad Afdhal Saputra , Andriayani

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Abstract

The main objective of this research is to improve the quality of bio-oil from combusting palm fronds by integrating HDPE plastic waste through a co-pyrolysis process using metal oxides (copper, zinc, iron, and cobalt) based on mordenite (MOR) zeolite. Catalyst characterization revealed alterations in physisorption properties and acidity post-metal oxide addition. Fe₂O₃/MOR exhibits notable gasoline selectivity (36.81 %), while CoO/MOR enhances kerosene (29.05 %) and diesel (29.95 %) fractions. Both catalysts demonstrate superior activity, yielding fuel compounds with high heating values (HHV) (30.91 MJ/kg and 31.25 MJ/kg, respectively). This novel approach holds promise for sustainable bio-oil production with tailored fuel properties.

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生物油提取的先驱：过渡金属氧化物沸石催化剂在共同热解棕榈叶和高密度聚乙烯中的作用

本研究的主要目的是通过使用基于莫来石（MOR）沸石的金属氧化物（铜、锌、铁和钴），将高密度聚乙烯（HDPE）塑料废料纳入共热解工艺，从而提高燃烧棕榈叶产生的生物油的质量。催化剂表征显示，添加金属氧化物后，催化剂的物理吸附特性和酸度发生了变化。Fe2O3/MOR 具有显著的汽油选择性（36.81%），而 CoO/MOR 则提高了煤油馏分（29.05%）和柴油馏分（29.95%）。这两种催化剂都表现出卓越的活性，产生的燃料化合物具有很高的热值（HHV）（分别为 30.91 兆焦耳/千克和 31.25 兆焦耳/千克）。这种新型方法有望生产出具有定制燃料特性的可持续生物油。

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