发展中国家塑料废物管理的可持续方法

Dimitrios Karadimas, E. Garner, J. Seay
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引用次数: 1

摘要

尽管人们对塑料污染造成的环境破坏的意识最近有所提高,但几乎没有采取措施来应对其后果。这些后果在全球南方国家往往最为严重,那里的国家往往缺乏适当的废物管理基础设施。除非塑料垃圾的市场价值增加,否则它们将被直接丢弃,最终进入环境。已经确定聚烯烃塑料可以通过热解转化为无硫燃料油,适用于柴油发动机或作为清洁的烹饪燃料。然而,在全球南方实施这种化学反应是具有挑战性的。任何打算在南半球使用的工艺都必须安全、稳健、高效、操作简单、成本低,最重要的是对运营商来说是有利可图的。当撒哈拉以南非洲地区的平均日工资低于3美元时,塑料废物燃料提供的收入可能是可观的。本文提出的研究重点是塑料到燃料处理器的优化,该处理器可以使用适当的技术原理来构建。将描述这种优化和盈利能力评估的结果。这项研究是与非政府组织“环境可持续性赋权解决方案”和“升级循环非洲”合作进行的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Sustainable Approach to Plastic Waste Management in the Global South
Although the awareness of the environmental damage caused by plastic pollution has recently increased, few steps have been taken to confront its consequences. These consequences are often most severe in the Global South where countries often lack proper waste management infrastructure. Unless the market value of plastic waste increases, it will simply be discarded, eventually making its way to the environment. It has been established that polyolefin plastic can be converted to a sulfur-free fuel oil by pyrolysis, suitable for use in diesel engines or as a clean cooking fuel. However, carrying out this chemistry in the Global South is challenging. Any process intended for use in the Global South must be safe, robust, efficient, simple to operate, low cost, and most importantly profitable for the operator. When the average daily wage in sub-Saharan Africa is less than 3 USD, an income provided from plastic waste fuel can be significant. The research presented herein focuses on the optimization of a plastic-to-fuel processor that can be built using the principles of appropriate technology. The results of this optimization and profitability assessment will be described. This research has been conducted in collaboration with the NGOs Empowered Solutions for Environmental Sustainability and UpCycle Africa.
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