An overview of catalytic pyrolysis of plastic waste over base catalysts

IF 5.8 2区化学 Q1 CHEMISTRY, ANALYTICAL

Journal of Analytical and Applied Pyrolysis Pub Date : 2024-10-01 DOI:10.1016/j.jaap.2024.106828

Neng T.U. Culsum , Agus Kismanto , Prima Zuldian , Nina K. Supriatna , Samdi Yarsono , Lan M.T. Nainggolan , Alfonsus A. Raksodewanto , Oni Fariza , Fahruddin J. Ermada , Dea G.D. Saribu , Munawar Khalil , Grandprix T.M. Kadja

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Abstract

Excessive plastic consumption has enormous environmental consequences, including global climate change, the accumulation of non-biodegradable substances, and the depletion of fossil fuel resources. Accordingly, sustainable treatment of waste plastics must be prioritized to achieve a greener world while generating valuable energy products. Pyrolysis has been proven to be an environmentally friendly strategy for recycling plastic waste. In addition, the employment of catalysts in the pyrolysis process, particularly base catalysts, can improve the quality of the products. Base catalysts are highly selective for the formation of alkenes and aromatic hydrocarbons. In addition, the basicity of the catalyst can influence the pyrolysis products. Catalysts with lower basicity promote the formation of aldehydes and ketones, whereas catalysts with strong basicity can encourage hydrocarbon production. In addition, base catalysts can enhance the quality of pyrolytic oil by decarboxylating acidic compounds. Accordingly, this review focuses on the pyrolysis of plastic waste by employing base catalysts. The correlation between catalyst features and catalytic activity in the pyrolysis of plastic waste was also emphasized.

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基础催化剂催化热解塑料废弃物概述

过度消费塑料会造成巨大的环境后果，包括全球气候变化、不可生物降解物质的积累以及化石燃料资源的枯竭。因此，必须优先考虑对废塑料进行可持续处理，以实现更环保的世界，同时产生有价值的能源产品。事实证明，热解是一种回收塑料废弃物的环保策略。此外，在热解过程中使用催化剂，特别是基催化剂，可以提高产品的质量。碱性催化剂对生成烯烃和芳香烃具有高度选择性。此外，催化剂的碱性也会影响热解产物。碱性较低的催化剂会促进醛和酮的生成，而碱性较强的催化剂则会促进烃的生成。此外，碱性催化剂还能通过对酸性化合物脱羧来提高热解油的质量。因此，本综述重点关注使用碱性催化剂热解塑料废物。此外，还强调了塑料废物热解过程中催化剂特性与催化活性之间的相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Analytical and Applied Pyrolysis 化学-分析化学

CiteScore

9.10

自引率

11.70%

发文量

340

审稿时长

44 days

期刊介绍： The Journal of Analytical and Applied Pyrolysis (JAAP) is devoted to the publication of papers dealing with innovative applications of pyrolysis processes, the characterization of products related to pyrolysis reactions, and investigations of reaction mechanism. To be considered by JAAP, a manuscript should present significant progress in these topics. The novelty must be satisfactorily argued in the cover letter. A manuscript with a cover letter to the editor not addressing the novelty is likely to be rejected without review.