Plastic waste management for sustainable environment: techniques and approaches

Prashant Pandey, Manisha Dhiman, Ankur Kansal, Sarada Prasannan Subudhi
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引用次数: 9

Abstract

Excessive exploitation, negligence, non-degradable nature, and physical and chemical properties of plastic waste have resulted in a massive pollution load into the environment. Consequently, plastic entres the food chain and can cause serious health issues in aquatic animals and humans. The present review summarizes currently reported techniques and approaches for the removal of plastic waste. Many techniques, such as adsorption, coagulation, photocatalysis, and microbial degradation, and approaches like reduction, reuse and recycling are potentially in trend and differ from each other in their efficiency and interaction mechanism. Moreover, substantial advantages and challenges associated with these techniques and approaches are highlighted to develop an understanding of the selection of possible ways for a sustainable future. Nevertheless, in addition to the reduction of plastic waste from the ecosystem, many alternative opportunities have also been explored to cash plastic waste. These fields include the synthesis of adsorbents for the removal of pollutants from aqueous and gaseous stream, their utility in clothing, waste to energy and fuel and in construction (road making). Substantial evidence can be observed in the reduction of plastic pollution from various ecosystems. In addition, it is important to develop an understanding of factors that need to be emphasized while considering alternative approaches and opportunities to cash plastic waste (like adsorbent, clothing, waste to energy and fuel). The thrust of this review is to provide readers with a comprehensive overview of the development status of techniques and approaches to overcome the global issue of plastic pollution and the outlook on the exploitation of this waste as resources.

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可持续环境的塑料废物管理:技术和方法
塑料垃圾的过度开发、忽视、不可降解性和物理化学性质给环境造成了巨大的污染负荷。因此,塑料进入食物链,可能对水生动物和人类造成严重的健康问题。本文综述了目前报道的塑料垃圾清除技术和方法。吸附、混凝、光催化、微生物降解等技术和还原、再利用、再循环等方法都有发展的潜力,但它们的效率和相互作用机制各不相同。此外,还强调了与这些技术和方法有关的重大优势和挑战,以便了解为可持续的未来选择可能的方法。然而,除了减少生态系统中的塑料废物外,还探索了许多替代机会来兑现塑料废物。这些领域包括用于从水和气体流中去除污染物的吸附剂的合成,它们在服装、废物转化为能源和燃料以及建筑(筑路)中的应用。在减少各种生态系统的塑料污染方面,可以观察到大量证据。此外,在考虑将塑料废物(如吸附剂、衣服、废物转化为能源和燃料)转化为现金的替代方法和机会时,了解需要强调的因素是很重要的。这篇综述的主旨是为读者提供一个全面的概述技术和方法的发展现状,以克服塑料污染的全球性问题和前景的开发利用这种废物作为资源。
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