Department of Chemistry, Utkal University, Bhubaneswar, Odisha, 751 004, India.
Environ Sci Pollut Res Int. 2023 Jul;30(35):83138-83152. doi: 10.1007/s11356-023-28253-x. Epub 2023 Jun 23.
The increasing plastic pollution has raised significant concerns about the environment and the destruction of its precious resources. Making value-added products out of plastic waste is an effective way to reduce plastic pollution and use it as a valuable resource. Plastic reforming driven by sunlight offers a quick and low-energy way to produce hydrogen from waste. Photoreforming of plastic waste is an emerging technology that cannot only break down plastic polymer waste into value-added chemicals but also produce solar fuel cell quality H. Technologies, such as pyrolysis, combustion, and advanced oxidation, are right now being studied for converting plastic pollution into energy. A thorough summary and comparison of different technologies have not yet been published. Open dumping and combustion are two main steps to deal with waste plastics, but these processes experience inefficiencies and cannot adequately address the challenges. In this mini-review, we aimed to provide a short overview of the recently reported conventional and novel plastic waste treatment methods. The current research on the photoreforming of plastics conducted by various groups and some advantages and disadvantages of this practice has been discussed thoroughly. Also, some notes were made on the prospective future scope present in this particular research area to achieve a carbon-free fuel system. The purpose of this review is to encourage the utilisation of plastic garbage as an alternative source of energy.
日益严重的塑料污染引起了人们对环境和珍贵资源破坏的高度关注。将塑料废物制成高附加值产品是减少塑料污染并将其作为宝贵资源加以利用的有效途径。阳光驱动的塑料改性为从废物中生产氢气提供了一种快速且低能耗的方法。光解塑料废物是一种新兴技术,不仅可以将塑料聚合物废物分解为有价值的化学物质,还可以生产出太阳能燃料电池质量的 H。目前正在研究热解、燃烧和高级氧化等技术,以将塑料污染转化为能源。尚未对不同技术进行全面总结和比较。露天倾倒和燃烧是处理废塑料的两个主要步骤,但这些过程效率低下,无法充分应对挑战。在这个小型综述中,我们旨在简要概述最近报道的传统和新型塑料废物处理方法。我们深入讨论了不同小组对塑料光解的当前研究以及该实践的一些优点和缺点。此外,还对该研究领域中实现无碳燃料系统的未来前景进行了一些说明。本综述的目的是鼓励利用塑料垃圾作为替代能源。