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Organic recycling of post-consumer /industrial bio-based plastics through industrial aerobic composting and anaerobic digestion - Techno-economic sustainability criteria and indicators
Polymer Degradation and Stability ( IF 5.9 ) Pub Date : 2021-06-23 , DOI: 10.1016/j.polymdegradstab.2021.109642
Demetres Briassoulis , Anastasia Pikasi , Miltiadis Hiskakis

The sustainability assessment of alternative EoL routes for the post-consumer /industrial bio-based plastics should ensure that these waste streams are routed to the optimal options that would allow, as a first priority, for their recirculation as valuable secondary bio-based resources, in support of the circular bioeconomy. Οrganic recycling, is considered as the second preferred alternative End-of-Life (EoL) option, for post-consumer /industrial biodegradable bio-based plastics that are characterised as mechanically/chemically non-recyclable. Techno-economic sustainability criteria and indicators are proposed based on an extended literature review to assure the technical feasibility and economic viability of organic recycling for these products. The proposed TESA methodology for organic recycling is organised into 3 integrated TESA Criteria: a) “Technical feasibility”; b) “Economic viability”; c) “Common techno-economic – environmental” criteria, including TESA criteria that are used also as environmental sustainability assessment criteria through LCA. The recirculation potential TESA criterion has a much lower importance for organic recycling as compared to material recovery. A set of indicators, evaluated by relevant metrics, are proposed for the assessment of the corresponding techno-economic criteria. The overall assessment of the organic recycling options for bio-based biodegradable plastics, requires a parallel assessment based also on environmental and social sustainability criteria. These criteria are beyond the scope of the present work.



中文翻译:

通过工业好氧堆肥和厌氧消化有机回收消费后/工业生物基塑料 - 技术经济可持续性标准和指标

对消费后/工业生物基塑料的替代 EoL 路线的可持续性评估应确保将这些废物流导向最佳选择,作为首要任务,将它们作为宝贵的二次生物基资源进行再循环,支持循环生物经济。对于具有机械/化学不可回收特性的消费后/工业可生物降解生物基塑料,有机回收被认为是第二个首选的报废 (EoL) 替代方案。技术经济可持续性标准和指标是根据扩展的文献综述提出的,以确保这些产品的有机回收的技术可行性和经济可行性。提议的 TESA 有机回收方法分为 3 个集成的 TESA 标准:a) “技术可行性”;b) “经济可行性”;c) “共同的技术经济-环境”标准,包括 TESA 标准,这些标准也通过 LCA 用作环境可持续性评估标准。与材料回收相比,再循环潜力 TESA 标准对有机回收的重要性要低得多。提出了一套通过相关指标评估的指标,用于评估相应的技术经济标准。对生物基可生物降解塑料的有机回收选择的总体评估,需要基于环境和社会可持续性标准的平行评估。这些标准超出了当前工作的范围。包括通过 LCA 也用作环境可持续性评估标准的 TESA 标准。与材料回收相比,再循环潜力 TESA 标准对有机回收的重要性要低得多。提出了一套通过相关指标评估的指标,用于评估相应的技术经济标准。对生物基可生物降解塑料的有机回收选择的总体评估,需要基于环境和社会可持续性标准的平行评估。这些标准超出了当前工作的范围。包括通过 LCA 也用作环境可持续性评估标准的 TESA 标准。与材料回收相比,再循环潜力 TESA 标准对有机回收的重要性要低得多。提出了一套通过相关指标评估的指标,用于评估相应的技术经济标准。对生物基可生物降解塑料的有机回收选择的总体评估,需要基于环境和社会可持续性标准的平行评估。这些标准超出了当前工作的范围。建议用于评估相应的技术经济标准。对生物基可生物降解塑料的有机回收选择的总体评估,需要基于环境和社会可持续性标准的平行评估。这些标准超出了当前工作的范围。建议用于评估相应的技术经济标准。对生物基可生物降解塑料的有机回收选择的总体评估,需要基于环境和社会可持续性标准的平行评估。这些标准超出了当前工作的范围。

更新日期:2021-06-23
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