聚对苯二甲酸乙二醇酯(pet)和多层利乐果汁包装系统的生命周期比较评估

Q3 Chemical Engineering

Chemical engineering transactions Pub Date : 2021-07-01 DOI:10.3303/CET2187018

Marina Stramarkou, C. Boukouvalas, P. Eleni, D. Karalekas, M. Krokida

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引用次数: 2

摘要

食品包装提供了许多重要的功能，包括保护、储存和保存产品，以及向消费者提供信息。然而，整个包装生命周期产生显著的环境影响，因为它的生产利用自然资源和能源，造成环境排放。此外，包装废物产生越来越多的处理问题，是第二大部分的城市废物之后的有机部分。在过去的几年里，果汁包装系统的环保性能备受关注。聚对苯二甲酸乙二醇酯(PET)瓶和利乐多层包装是主要的果汁包装选择。生命周期评估(LCA)技术用于提高理解，以及比较不同包装系统的环境特性。本研究评估了两种最常见的果汁包装选择对环境的影响，包括它们的生产以及它们的最终处理(填埋、焚烧和回收)。目的是比较PET和利乐包装的足迹，找出热点，最终发现最环保的果汁包装。LCA使用GABI软件执行，遵循ISO 14040系列建议，而影响评估使用ReCiPe 2016进行。结果表明，利乐包装在18个总影响类别中的12个方面优于替代PET包装。事实上，他们在气候变化和化石消耗类别上的差异是显著的，这两个类别的环境重要性分别被联邦环境署评估为“非常高”和“高”。考虑到利乐包装延长了果汁的保质期，减少了环境足迹，可以得出结论，多层利乐包装果汁比PET瓶有明显的环境优势。关键词:气候变化，环境足迹，终结

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Comparative Life Cycle Assessment of Polyethylene Terephthalate (pet) and Multilayer Tetra Pak Juice Packaging Systems

Food packaging provides many vital functions including protection, storage and preservation of products, as well as, information to consumers. However, the overall packaging life cycle generates significant environmental impacts since its production exploits natural resources and energy and causes environmental emissions. Moreover, packaging wastes generate increasing disposal issues, being the second largest fraction of municipal wastes after the organic fraction.During the last years there is focus on the environmental performance of juice packaging systems. Polyethylene terephthalate (PET) bottles and Tetra Pak multilayer packaging arethe dominant juice packaging options. Life cycle assessment (LCA) techniques are used to improve the understanding, as well as, to compare the environmental characteristics of different packaging systems.This research assesses the environmental impact of the two commonest juice packaging options, including their production along with their final disposal (landfilling, incineration and recycling). The aim is to compare the footprints of PET and Tetra Pak packaging, identify the hot spots and finally discover the most environmentally benign juice packaging. LCA was performed using GABI software, following the ISO 14040 series recommendations, while the impact assessment was carried out using ReCiPe 2016.The results showed that Tetra Pak was environmentally superior to alternative PET packaging in 12 of the 18 total impact categories. In fact, their differences were significant in climate change and fossil depletion caegories, the environmental importance of which is assessed by the Federal Environment Agency as "very high" and "high" respectively. Considering the extended shelf life of juices with Tetra Pak, andthe reduced environmental footprint, it can be concluded that there are clear environmental advantages for multilayer Tetra Pak juice packaging over PET bottles.Keywords: climate change, environmental footprint, end-of

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来源期刊

Chemical engineering transactions Chemical Engineering-Chemical Engineering (all)

CiteScore

1.40

自引率

0.00%

发文量

审稿时长

6 weeks

期刊介绍： Chemical Engineering Transactions (CET) aims to be a leading international journal for publication of original research and review articles in chemical, process, and environmental engineering. CET begin in 2002 as a vehicle for publication of high-quality papers in chemical engineering, connected with leading international conferences. In 2014, CET opened a new era as an internationally-recognised journal. Articles containing original research results, covering any aspect from molecular phenomena through to industrial case studies and design, with a strong influence of chemical engineering methodologies and ethos are particularly welcome. We encourage state-of-the-art contributions relating to the future of industrial processing, sustainable design, as well as transdisciplinary research that goes beyond the conventional bounds of chemical engineering. Short reviews on hot topics, emerging technologies, and other areas of high interest should highlight unsolved challenges and provide clear directions for future research. The journal publishes periodically with approximately 6 volumes per year. Core topic areas: -Batch processing- Biotechnology- Circular economy and integration- Environmental engineering- Fluid flow and fluid mechanics- Green materials and processing- Heat and mass transfer- Innovation engineering- Life cycle analysis and optimisation- Modelling and simulation- Operations and supply chain management- Particle technology- Process dynamics, flexibility, and control- Process integration and design- Process intensification and optimisation- Process safety- Product development- Reaction engineering- Renewable energy- Separation processes- Smart industry, city, and agriculture- Sustainability- Systems engineering- Thermodynamic- Waste minimisation, processing and management- Water and wastewater engineering