Recent Advances on Coagulation-Based Treatment of Wastewater: Transition from Chemical to Natural Coagulant

IF 6.4 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Current Pollution Reports Pub Date : 2021-05-24 DOI:10.1007/s40726-021-00191-7

Muhammad Burhanuddin Bahrodin, Nur Syamimi Zaidi, Norelyza Hussein, Mika Sillanpää, Dedy Dwi Prasetyo, Achmad Syafiuddin

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引用次数: 53

Abstract

Purpose of Review

The use of conventional chemical coagulant in treatment of wastewater is gaining great attention. Drawbacks related to the prolonged effects on human health and environment due to the generation of by-product non-biodegradable sludge are becoming the latest topics. Transition from chemical to natural coagulant can be a good strategy to reduce the aforementioned drawbacks. Therefore, this review aims to provide critical discussions on the use of natural coagulant along with the comparative evaluation over the chemical coagulant.

Recent Findings

Treatment performances by chemical and natural coagulant have been reviewed on various types of wastewater with different success rates. Based on this review, a transition from the use of chemical to natural coagulant is highly suggested as the performance of the natural coagulant is comparable to that of the chemical coagulant and in some cases even better. The comparative advantages and disadvantages also convinced that the natural coagulant stands a great chance to be used as an alternative over the chemical coagulant.

Summary

Though the current utilization of natural coagulant is encouraging, three main aspects were overlooked by researchers: active coagulant agent, extraction, and optimization due to different wastewater characteristics. Furthermore, delving into these aspects could clarify the uncertainties on the natural coagulant. Hence, it makes this transition a prospect of green technology with sustainable application towards wastewater treatment.

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混凝处理废水的最新进展:从化学混凝剂到天然混凝剂的过渡

常规化学混凝剂在废水处理中的应用越来越受到人们的关注。由于产生的副产品不可生物降解污泥对人类健康和环境的长期影响所带来的弊端正在成为最新的话题。从化学混凝剂过渡到天然混凝剂可以是一个很好的策略，以减少上述缺点。因此，本文旨在对天然混凝剂的使用进行批判性的讨论，并对化学混凝剂进行比较评价。综述了化学混凝剂和天然混凝剂对不同类型废水的处理效果及处理成功率。在此综述的基础上，强烈建议从使用化学混凝剂过渡到使用天然混凝剂，因为天然混凝剂的性能与化学混凝剂相当，在某些情况下甚至更好。天然混凝剂的相对优势和劣势也使其有望成为化学混凝剂的替代品。虽然目前天然混凝剂的利用是令人鼓舞的，但由于废水特性的不同，研究人员忽视了三个主要方面:混凝剂的活性、提取和优化。此外，对这些方面的深入研究可以澄清天然混凝剂的不确定性。因此，它使这种转变成为可持续应用于废水处理的绿色技术的前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current Pollution Reports Environmental Science-Water Science and Technology

CiteScore

12.10

自引率

1.40%

发文量

期刊介绍： Current Pollution Reports provides in-depth review articles contributed by international experts on the most significant developments in the field of environmental pollution.By presenting clear, insightful, balanced reviews that emphasize recently published papers of major importance, the journal elucidates current and emerging approaches to identification, characterization, treatment, management of pollutants and much more.