热解在循环经济中的意义:技术、潜在化学品和分离技术的综合综述

IF 7.5 1区 工程技术 Q2 ENERGY & FUELS
Fuel Pub Date : 2025-05-03 DOI:10.1016/j.fuel.2025.135539
Zahir Barahmand , Liang Wang , Jens Bo Holm-Nielsen , Marianne Eikeland
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引用次数: 0

摘要

在循环经济框架下,促进价值创造对于生物质和废物的利用和增值至关重要。优先考虑、启用和最大化增值化学品的生产是实现这一目标并产生更大社会经济和环境效益的基石。热解是一项关键的废物到x技术,可以将各种生物质废物转化为潜在的多种有价值的化学品组合,具有减少废物、扩大潜力和与现有设施相结合的灵活性的好处。这篇综合综述通过研究热解在循环经济中的价值链潜力,从不同的原料到数百种技术选择和分离技术,广泛探讨了热解在循环经济中的重要性,最终确定了热解油中的近千种有机化学物质。主要发现包括使用环境友好型催化剂的催化热解,太阳能热解可减少高达30%的能源消耗,加氢热解可提高油品质量。一项对110项研究的系统回顾表明,酸、酯和酚等含氧化合物占主导地位。传统的分离依赖于蒸馏、过滤和萃取,而反应蒸馏、纳滤和超临界流体萃取等先进技术有望分离出苯酚、乙酸和糠醛等关键化合物,但可扩展性仍然是一个挑战。广泛和综合的方法使本研究成为未来研究的基准,最大限度地提高价值创造和资源效率。©2017 Elsevier Inc.版权所有。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Significance of pyrolysis in the circular economy: An integrative review of technologies, potential chemicals, and separation techniques

Significance of pyrolysis in the circular economy: An integrative review of technologies, potential chemicals, and separation techniques
Promoting value creation is critical for utilizing and valorizing biomass and wastes under the frame of the circular economy. Prioritizing, enabling, and maximizing the production of value-added chemicals is a cornerstone to realizing this goal and giving greater socioeconomic and environmental benefits. Pyrolysis, a key waste-to-X technology, enables converting a wide range of biomass waste into a potentially diverse portfolio of valuable chemicals with the benefits of reducing waste, scaling up potential, and providing flexibility to couple with existing facilities. This integrative review broadly explores the significance of pyrolysis within a circular economy by examining its value chain potential, from diverse feedstocks to hundreds of technological choices and separation techniques, ultimately identifying nearly a thousand organic chemicals in pyrolysis oil. Key findings highlight catalytic pyrolysis with environmentally benign catalysts, and solar pyrolysis reduce energy use by up to 30 %, and hydropyrolysis enhances oil quality. A systematic review of 110 studies identifies oxygenated compounds like acids, esters, and phenols as dominant. While conventional separations rely on distillation, filtration, and extraction, advanced techniques such as reactive distillation, nanofiltration, and supercritical fluid extraction show promise for isolating key compounds like phenols, acetic acid, and furfural, though scalability remains a challenge. A broad and integrative approach enables this study to serve as a benchmark for future research, maximizing value-creation and resource efficiency.
© 2017 Elsevier Inc. All rights reserved.
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来源期刊
Fuel
Fuel 工程技术-工程:化工
CiteScore
12.80
自引率
20.30%
发文量
3506
审稿时长
64 days
期刊介绍: The exploration of energy sources remains a critical matter of study. For the past nine decades, fuel has consistently held the forefront in primary research efforts within the field of energy science. This area of investigation encompasses a wide range of subjects, with a particular emphasis on emerging concerns like environmental factors and pollution.
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