不同风力发电机叶片废件热解对比研究：动力学、产品分布与演化与经济学

IF 7.1 2区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Waste management Pub Date : 2025-04-02 DOI:10.1016/j.wasman.2025.114782

Yang Xu, Fei Wang, Dehua Liang, Guojun Lv, Fengyu He, Shengrong Xue

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引用次数: 0

摘要

废弃风力发电机叶片的资源化处理和资源化利用已成为全球面临的重要挑战。考虑到运行时的机械强度，wtb的设计结构由B1（巴尔沙填充部分）、B2（聚对苯二甲酸乙二醇酯（PET）泡沫填充部分）和B3（纯玻璃纤维增强聚合物（GFRP）部分）组成，而直接混合处理会产生低质量和不均匀的产品。目前的研究主要集中在B3或整个叶片，对不同部位的热解行为和能量值的研究较少。在本研究中，进行了动力学、产品分布与演化、不同零部件经济性的比较研究。热重和动力学揭示了转化过程中的相变和能量需求。Py-GC/MS和固定床实验证实，在600℃时，B1和B2生成的油和气较多，固体中焦炭较多，这与其核心组分碳化有关。巴尔沙和PET的高O/C比导致B1和B2反应途径中产生更多的含氧基团和产物。较高的经济性表明B2和B3段适合热解，B1段应继续进行详细勘探。我们的工作为污水处理不同部分的资源回收利用提供了应用指导。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A comparative pyrolysis study of different waste wind turbine blade parts: Kinetics, product distribution and evolution, and economics

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A comparative pyrolysis study of different waste wind turbine blade parts: Kinetics, product distribution and evolution, and economics

The resource treatment and recycling of waste wind turbine blades (WWTBs) have become an important challenge globally. Considering mechanical strength during operation, the designed construction of WTBs consists of B1 (balsa-filled part), B2 (polyethylene terephthalate (PET) foam-filled part) and B3 (pure glass fiber-reinforced polymer (GFRP) part), whereas direct mixed treatment can generate low-quality and heterogeneous products. Current studies focused on B3 or the whole blades, but few studied the pyrolysis behavior and energy value of different parts. In this study, the comparative study of the kinetic, product distribution and evolution, and economics of different parts was conducted. Thermogravimetric and kinetic revealed the phase transitions and energy requirements during conversion. Py-GC/MS and fixed-bed experiments confirmed that B1 and B2 generated more oils and gases with more coke in the solids at 600 °C, which was related to carbonization of their core components. High O/C ratios of balsa and PET caused more oxygen-containing groups and products to be produced in the B1 and B2 reaction pathways. The high economics indicated that pyrolysis was suitable for B2 and B3, and the detailed exploration of B1 part should be continued. Our work provides application guidance for resource recovery and utilization of different WWTB parts.

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来源期刊

Waste management 环境科学-工程：环境

CiteScore

15.60

自引率

6.20%

发文量

492

审稿时长

39 days

期刊介绍： Waste Management is devoted to the presentation and discussion of information on solid wastes,it covers the entire lifecycle of solid. wastes. Scope: Addresses solid wastes in both industrialized and economically developing countries Covers various types of solid wastes, including: Municipal (e.g., residential, institutional, commercial, light industrial) Agricultural Special (e.g., C and D, healthcare, household hazardous wastes, sewage sludge)