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首页> 外文期刊>Waste Management >How to manage biocomposites wastes end of life? A life cycle assessment approach (LCA) focused on polypropylene (PP)/wood flour and polylactic acid (PLA)/flax fibres biocomposites
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How to manage biocomposites wastes end of life? A life cycle assessment approach (LCA) focused on polypropylene (PP)/wood flour and polylactic acid (PLA)/flax fibres biocomposites

机译：如何管理生物复合材料废旧？一种针对聚丙烯（PP）/木粉和聚乳酸（PLA）/亚麻纤维生物复合材料的生命周期评估方法（LCA）

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摘要

Biocomposites has gained increasing attention in recent years. The environmental impacts of end-of-life (EoL) treatments of those emerging materials should be evaluated before they are produced and installed commercially, to ensure a minimal impact of these products all along their life cycle. Life cycle assessment (LCA) was carried out to evaluate environmental impacts of the EoL treatments of wood flour (WF) reinforced polypropylene (PP/WF) and flax fibers reinforced polylactic acid (PLA/Fl). The aim was to evaluate which EoL was the most environmental friendly to manage those emerging wastes in France and to help stakeholders of the waste sectors in their decisions. The attributional LCA was realized using the methodological framework of the international standard ISO 14040:2006. The study only focuses on the EoL of the biocomposites with four scenarios: incineration, landfill, composting and recycling. Mid-point indicators were evaluated thanks to the Recipe method. Results were also normalized to the annual mean environmental impact of a European inhabitant. For both biocomposites, recycling EoL scenario presents the lowest environmental impacts except for the freshwater eutrophication impact of the PP/WF EoL. Models should be completed in the future when new data will be available. Results obtained for both biocomposites are in agreement with the European waste hierarchy.If recycling of plastic is difficult to implement, incineration would be the preferable option for the PP/WF composite, while composting would be the other choice for PLA/Fl material.
机译：近年来，生物复合材料受到越来越多的关注。这些新兴材料的报废处理（EoL）处理对环境的影响应在将其生产和安装之前进行评估，以确保这些产品在其整个生命周期中的影响最小。进行了生命周期评估（LCA），以评估木粉（WF）增强聚丙烯（PP / WF）和亚麻纤维增强聚乳酸（PLA / Fl）的EoL处理对环境的影响。目的是评估哪种EoL对法国的那些新兴废物最环保，并帮助废物部门的利益相关者做出决策。使用国际标准ISO 14040：2006的方法框架实现了归因LCA。该研究仅针对四种情况下的生物复合物的EoL：焚烧，垃圾填埋，堆肥和回收。中点指标通过配方方法进行了评估。结果也根据欧洲居民的年平均环境影响进行了归一化。对于这两种生物复合物，回收利用的EoL方案对环境的影响最小，除了PP / WF EoL的淡水富营养化影响。当新数据可用时，模型应在将来完成。两种生物复合物的结果均与欧洲废物分类标准一致。如果塑料的回收难以实施，则焚化将是PP / WF复合材料的首选方案，而堆肥则是PLA / Fl材料的另一选择。

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