Global trends of waste tire pyrolysis research: a bibliometric analysis

Cleaner Energy Systems Pub Date : 2025-02-13 DOI:10.1016/j.cles.2025.100181

Siti Nuramirah Rabbani Muhammad Zaki , Nurul Fatahah Asyqin Zainal , Chia Chay Tay

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Abstract

The rapid accumulation of end-of-life tires, driven by global vehicle use, presents severe environmental challenges. Each year, approximately 3 billion tires are produced globally, with 800 million reaching end-of-life, of which 41% are landfilled without material or energy recovery. Pyrolysis has emerged as a sustainable solution, converting waste tires into valuable by-products, including pyrolysis oil, gas, and recovered carbon black (rCB). This bibliometric review analyzes 1,431 publications (2000–2024) sourced from Scopus to map research trends, advancements, and gaps in tire pyrolysis. Three primary research hotspots are identified: (1) co-pyrolysis, emphasizing feedstock optimization and microwave-assisted methods to enhance efficiency and product quality, (2) pyrolysis oil, addressing challenges in upgrading for industrial use, and (3) recovered carbon black (rCB), focusing on advanced demineralization and activation techniques to improve its properties. Key challenges identified include feedstock variability, catalytic system optimization, and process scalability. This review provides insights and a strategic framework for advancing tire pyrolysis, fostering sustainable practices, and driving innovation across energy, materials, and environmental applications.

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废轮胎热解研究的全球趋势：文献计量分析

在全球车辆使用的推动下，报废轮胎的快速积累带来了严峻的环境挑战。全球每年生产约30亿个轮胎，其中8亿个达到使用寿命，其中41%被填埋，没有材料或能源回收。热解已成为一种可持续的解决方案，将废轮胎转化为有价值的副产品，包括热解油、天然气和回收的炭黑（rCB）。本文献计量学综述分析了来自Scopus的1431份出版物（2000-2024），以绘制轮胎热解的研究趋势、进展和差距。确定了三个主要的研究热点：(1)共热解，强调原料优化和微波辅助方法，以提高效率和产品质量；(2)热解油，解决工业升级的挑战；(3)回收炭黑（rCB），重点研究先进的脱矿和活化技术，以改善其性能。确定的主要挑战包括原料可变性，催化系统优化和工艺可扩展性。这篇综述为推进轮胎热解、促进可持续实践以及推动能源、材料和环境应用领域的创新提供了见解和战略框架。

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来源期刊

Cleaner Energy Systems

CiteScore

3.00

自引率

0.00%

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