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Recycling technologies for retired wind turbine blades: current status, environmental risks, and industrialization pathways

International journal of high school research 2025 1 citation ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Min Zhang, Bing Bai, Pei Chen, Xuebin Wang

Summary

Researchers systematically reviewed recycling technologies for retired wind turbine blades, evaluating environmental risks such as microplastic diffusion and toxic emissions across mechanical, pyrolysis, chemical, and cement kiln co-processing methods, and proposed pathways toward commercial-scale green closed-loop recycling.

全球风电产业快速发展,退役风机叶片回收已成为制约行业绿色可持续发展的关键瓶颈。风机叶片主要由玻璃纤维/碳纤维增强热固性复合材料构成,具有结构复杂和难降解等特性,现有传统填埋和焚烧方式资源利用率低,且易造成严重的生态环境风险。本文系统梳理了退役风机叶片回收的主要技术路径,包括机械法、热解法、化学法和水泥窑协同处置等,并从技术成熟度、经济成本、环境影响及资源化价值等多维度进行综合评估。研究表明,机械回收虽具备成本低与产业化基础,但再生纤维性能下降显著;热解与化学回收可实现纤维的高值化利用,但仍面临能耗高、工艺复杂及二次污染等挑战。文章进一步探讨了各类回收技术在推广应用过程中面临的环保瓶颈,包括微塑料扩散、有毒气体排放、重金属富集及高COD废液等问题,并结合典型工程案例,分析了退役叶片在建筑材料、道路交通和公共设施等领域的资源化应用潜力。最后,本文从技术集成创新、政策机制完善和产业链协同等角度,提出推动风机叶片回收商业化与绿色闭环发展的路径建议,以助力风电产业全生命周期可持续发展。

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