Use of natural coagulants for industrial wastewater treatment.

S. Gautam, G. Saini
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引用次数: 40

Abstract

Industrial effluents are a menace to the environment and the fact that their characteristics vary from industry-to-industry only adds to the complex challenge they offer to the engineers and scientists. Resource-efficient and environment-friendly solutions to this hazard are a call of the hour. Coagulation, by synthetic chemicals, has been used as a cost-effective and efficient method for managing the effluents generated by a large number of industries. However, the synthetic chemicals themselves are a cause of concern due to their non-native nature, non-degradability, and health conditions associated with their left-over residues. Natural coagulants offer a cost-effective, environment-friendly, and sustainable alternative to the application of synthetic chemicals. Such natural coagulants, despite their demonstrated effectiveness in treating the industrial wastewaters, have their own limitations and are yet to be investigated for large-scale applications. The current work presents a state-of-the-art review of the natural coagulants' application in treating industrial wastewaters and their relative advantages and disadvantages as compared to the chemical coagulants. Future research areas have also been identified that may ultimately lead to the large-scale commercial application of natural coagulants and will result in an environment-friendly and sustainable solution to the problems created by industrial effluents and synthetic chemical coagulants.
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使用天然混凝剂处理工业废水。
工业废水对环境是一种威胁,它们的特性因工业而异,这一事实只会给工程师和科学家带来更复杂的挑战。解决这一危害的资源节约型和环境友好型方案是当务之急。通过合成化学品进行混凝,已被用作管理大量工业产生的废水的成本效益高和效率高的方法。然而,合成化学品本身是一个令人担忧的问题,因为它们的非天然性质,不可降解性,以及与它们残留的残留物相关的健康状况。天然混凝剂为合成化学品的应用提供了一种经济、环保和可持续的替代方案。尽管这种天然混凝剂在处理工业废水方面已被证明有效,但也有其自身的局限性,尚未对大规模应用进行研究。本文综述了天然混凝剂在工业废水处理中的应用,以及与化学混凝剂相比天然混凝剂的优缺点。还确定了未来的研究领域,这些领域可能最终导致天然混凝剂的大规模商业应用,并将为工业废水和合成化学混凝剂造成的问题提供环境友好和可持续的解决方案。
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来源期刊
CiteScore
7.90
自引率
2.90%
发文量
11
审稿时长
8 weeks
期刊最新文献
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