Life cycle assessment of plastic waste end-of-life scenarios in South and South East Asia

IF 7.1 2区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Waste management Pub Date : 2025-03-30 DOI:10.1016/j.wasman.2025.114760

Soo Lin Goh , Ken Shaun Yap , Edward Ren Kai Neo , Chia Wei Koo , Umesh Madhavan , Nurul Aisyah Suwandi , Juline Lew , Hsien Hui Khoo , Daren Zong Loong Tan

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Abstract

Plastic waste has a significant environmental impact when mismanaged. The study quantifies the environmental impact of plastic waste management systems using consequential life cycle assessments in selected countries in Asia, including India, Indonesia, Malaysia, the Philippines, Thailand, and Vietnam. The scope covers from plastic waste generation to end-of-life treatments, including environmental impact avoided from not producing raw materials due to plastic waste utilization. Eleven environmental impacts were considered, including global warming potential (GWP100) and carcinogenic human toxicity (HTPc). India has the lowest net GWP100 (−0.648 kg CO₂-eq) per kg of plastic waste while Indonesia has the highest (1.128 kg CO₂-eq). Future scenario analyses showed that increasing recycling can reduce the GWP100 of plastic waste management systems by up to 611 % by 2030. Policymakers and investors can use these results to focus their efforts on waste management methods which reduce the impact of plastic waste on the environment and human health.

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南亚和东南亚塑料废物报废情景的生命周期评估

如果管理不当，塑料垃圾会对环境造成严重影响。本研究在亚洲部分国家，包括印度、印度尼西亚、马来西亚、菲律宾、泰国和越南，利用相应的生命周期评估，量化了塑料废物管理系统对环境的影响。研究范围涵盖从塑料废物产生到报废处理的整个过程，包括因利用塑料废物而不生产原材料所避免的环境影响。考虑了 11 种环境影响，包括全球升温潜能值（GWP100）和人类致癌毒性（HTPc）。印度每千克塑料废物的净 GWP100 值最低（-0.648 千克二氧化碳当量），而印度尼西亚最高（1.128 千克二氧化碳当量）。未来情景分析表明，到 2030 年，增加回收利用可使塑料废物管理系统的 GWP100 降低高达 611%。政策制定者和投资者可以利用这些结果，将工作重点放在减少塑料废物对环境和人类健康影响的废物管理方法上。

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来源期刊

Waste management 环境科学-工程：环境

CiteScore

15.60

自引率

6.20%

发文量

492

审稿时长

39 days

期刊介绍： Waste Management is devoted to the presentation and discussion of information on solid wastes,it covers the entire lifecycle of solid. wastes. Scope: Addresses solid wastes in both industrialized and economically developing countries Covers various types of solid wastes, including: Municipal (e.g., residential, institutional, commercial, light industrial) Agricultural Special (e.g., C and D, healthcare, household hazardous wastes, sewage sludge)