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迈向可持续未来:推进农业塑料回收与增值的综合方法。

Towards a Sustainable Future: Advancing an Integrated Approach for the Recycling and Valorization of Agricultural Plastics.

作者信息

Filipe Susana, Mourão Paulo Mira, Couto Nazaré, Tranchida Davide

机构信息

MED-Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal.

MED-Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Departamento de Química e Bioquímica, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal.

出版信息

Polymers (Basel). 2023 Nov 25;15(23):4529. doi: 10.3390/polym15234529.

Abstract

Plastic pollution has become a pressing environmental issue. The agricultural sector, in particular, is a significant contributor to this problem, given the widespread use of plastics in farming practices and a lack of and/or use of inefficient approaches for the recycling and valorization of agricultural plastic waste. This has resulted in the accumulation of these residues in landfills and/or their improper disposal, which has exacerbated their environmental impact, leading to negative consequences on soil, water, and ecosystems. This work provides an overview on the current methodologies available to address the challenges associated with inadequate management of agricultural plastics and highlights the need for a comprehensive and systematic methodology, involving material development, polymer processing, waste collection, sorting, and valorization. It emphasizes the importance of collaboration between polymer producers, polymer manufacturers, farmers, policymakers, waste management companies, and recyclers to develop effective, technical, and economically viable recycling and valorization schemes. This paper addresses gaps and provides guidance on possible solutions, specifically polymer development, policy instruments, regulatory frameworks, collection schemes, and the technical approaches required for the adequate valorization of agricultural plastic waste. Furthermore, it highlights the associated barriers and benefits of the different presented approaches. It also aims to promote awareness on agricultural plastic waste and provide guidance on the best approaches to reduce its environmental impact.

摘要

塑料污染已成为一个紧迫的环境问题。鉴于塑料在农业生产中的广泛使用,以及缺乏和/或采用低效的农业塑料垃圾回收及增值利用方法,农业部门尤其成为这一问题的重要促成因素。这导致这些残留物在垃圾填埋场堆积和/或处置不当,加剧了其对环境的影响,给土壤、水和生态系统带来负面影响。这项工作概述了当前应对农业塑料管理不善相关挑战的可用方法,并强调需要一种全面系统的方法,包括材料开发、聚合物加工、垃圾收集、分类和增值利用。它强调聚合物生产商、聚合物制造商、农民、政策制定者、垃圾管理公司和回收商之间合作的重要性,以制定有效、技术上可行且经济上可行的回收和增值利用方案。本文阐述了差距,并就可能的解决方案提供指导,特别是聚合物开发、政策工具、监管框架、收集方案以及农业塑料垃圾充分增值利用所需的技术方法。此外,它还突出了不同方法的相关障碍和益处。其目的还在于提高对农业塑料垃圾的认识,并就减少其环境影响的最佳方法提供指导。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ea1/11080938/951788543783/polymers-15-04529-g001.jpg

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