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首页> 外文期刊>The Science of the Total Environment >Life cycle assessment of post-consumer plastics production from waste electrical and electronic equipment (WEEE) treatment residues in a Central European plastics recycling plant
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Life cycle assessment of post-consumer plastics production from waste electrical and electronic equipment (WEEE) treatment residues in a Central European plastics recycling plant

机译：中欧塑料回收厂中废弃电子电气设备（WEEE）处理残留物消费后塑料生产的生命周期评估

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摘要

Plastics play an increasingly important role in reaching the recovery and recycling rates defined in the European WEEE Directive. In a recent study we have determined the life cycle environmental impacts of post-consumer plastics production from mixed, plastics-rich WEEE treatment residues in the Central European plant of a market-leading plastics recycler, both from the perspective of the customers delivering the residues and the customers buying the obtained post-consumer recycled plastics. The results of our life cycle assessments, which were extensively tested with sensitivity analyses, show that from both perspectives plastics recycling is clearly superior to the alternatives considered in this study (i.e. municipal solid waste incineration (MSWI) and virgin plastics production). For the three ReCiPe endpoint damage categories, incineration in an MSWI plant results in an impact exceeding that of the examined plastics recycling facility each by about a factor of 4, and the production of virgin plastics has an impact exceeding that of the post-consumer recycled (PCR) plastics production each by a factor of 6-10. On a midpoint indicator level the picture is more differentiated, showing that the environmental impacts of the recycling options are lower by 50% and more for almost all impact factors. While this provides the necessary evidence for the environmental benefits of plastics recycling compared to existing alternatives, it can, however, not be taken as conclusive evidence. To be conclusive, future research will have to address the fate of hazardous substances in the outputs of such recycling systems in more detail.
机译：塑料在达到欧洲WEEE指令中规定的回收率和回收率方面发挥着越来越重要的作用。在最近的一项研究中，我们从市场领先的塑料回收商的中欧工厂中，确定了混合，富含塑料的WEEE处理残留物对消费后塑料生产的生命周期环境的影响，这两种方法都是从客户交付残留物的角度出发客户购买获得的消费后回收塑料。我们的生命周期评估结果（已通过敏感性分析进行了广泛测试）表明，从这两个角度来看，塑料回收显然优于本研究中考虑的替代方案（即城市固体垃圾焚烧（MSWI）和原始塑料生产）。对于三种ReCiPe端点损坏类别，在MSWI工厂中焚化所产生的影响均超过所检查的塑料回收设施的大约4倍，而原始塑料的生产所产生的影响超过了消费后回收的塑料。 （PCR）的塑料产量各为6-10倍。在中点指标级别上，图片的差异更大，表明回收选项对环境的影响降低了50％，而几乎所有影响因素的影响都更大。尽管与现有的替代品相比，这为塑料回收利用的环境效益提供了必要的证据，但是，不能将其作为确凿的证据。确切地说，未来的研究将不得不更详细地研究此类回收系统的输出中有害物质的命运。

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