Wastewater and sludge valorisation: a novel approach for treatment and resource recovery to achieve circular economy concept

IF 2.5 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Frontiers in chemical engineering Pub Date : 2023-04-27 DOI:10.3389/fceng.2023.1129783

S. Kathi, Siril Singh, Rajni Yadav, A. Singh, A. Mahmoud

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引用次数: 3

Abstract

Global demand for freshwater is rapidly escalating. It is highly essential to keep pace with the necessities of the increasing population. The effluents of wastewater are gradually identified as a reservoir of resources for energy generation and economic boom. Henceforth, most wastewater and sludge have great potential for reuse and recycling. The re-utilization and valorization of wastewater and sludge contribute to accomplishing sustainable development goals, combating water scarcity, and alleviating adverse environmental impacts of wastewater on the environmental components. The present article highlights the most novel approaches for wastewater treatment for the waste valorization of different industrial origins and the generation of value-added products and recovery of biopolymers, vitamins, enzymes, dyes, pigments, and phenolic compounds. We highlighted the life cycle assessment and techno-economic analysis. In addition, we have addressed a critical overview of the barriers to the large-scale application of resource recovery strategies and economic, environmental, and social concerns associated with using waste-derived products. Graphical Abstract

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废水和污泥增值:一种处理和资源回收的新方法，以实现循环经济概念

全球对淡水的需求正在迅速上升。跟上人口增长的步伐是非常必要的。废水的流出物逐渐被认为是能源生产和经济繁荣的资源库。因此，大多数废水和污泥具有再利用和循环利用的巨大潜力。废水和污泥的再利用和增值有助于实现可持续发展目标，解决水资源短缺问题，减轻废水对环境成分的不利环境影响。本文重点介绍了废水处理的最新方法，用于不同工业来源的废物增值和产生增值产品以及生物聚合物，维生素，酶，染料，色素和酚类化合物的回收。我们强调了生命周期评估和技术经济分析。此外，我们还对大规模应用资源回收战略的障碍以及与使用废物衍生产品有关的经济、环境和社会问题进行了关键性的概述。图形抽象

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