Adsorption and coagulation in wastewater treatment – Review

Q3 Agricultural and Biological Sciences Progress in Agricultural Engineering Sciences Pub Date : 2021-11-19 DOI:10.1556/446.2021.00029

H. Sukmana, Naoufal Bellahsen, Fernanda Pantoja, C. Hodúr

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引用次数: 23

Abstract

Wastewater issues became a complex challenge in the world. There are several methods in wastewater treatment, such as chemical, physical, biological, and the combination of each method. However, each process has advantages and disadvantages. The physicochemical methods are common methods used in wastewater treatment, such as adsorption and coagulation. Adsorption and coagulation are excellent methods to remove pollutants. The adsorption process is greatly influenced by pH, adsorbent dose, temperature, and contact time. Coagulant dose, settling time, and pH are the main factors in the coagulation process. Chemical material as an adsorbent and coagulant has been studied in previous research, but recently, to substitution chemical materials is a challenging subject. Natural substances are potential new materials in wastewater treatment and became popular due to their efficiency and environment friendly characteristics. This review investigated the role of adsorption and coagulation in wastewater treatment and the utilization of natural materials as adsorbents and coagulants.

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废水处理中的吸附与混凝研究进展

废水问题已成为世界范围内的一项复杂挑战。废水处理有化学、物理、生物等几种方法，以及每种方法的结合。然而，每种工艺都有优点和缺点。物理化学法是废水处理中常用的方法，如吸附法和混凝法。吸附和混凝是去除污染物的优良方法。吸附过程受pH、吸附剂剂量、温度和接触时间的影响较大。混凝剂用量、沉淀时间和pH值是影响混凝过程的主要因素。化学材料作为吸附剂和混凝剂在以往的研究中得到了广泛的应用，但近年来，化学材料的替代是一个具有挑战性的课题。天然物质是废水处理中极具潜力的新材料，因其高效环保的特点而受到人们的青睐。本文综述了吸附和混凝在废水处理中的作用以及天然材料作为吸附剂和混凝剂的利用。

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来源期刊

Progress in Agricultural Engineering Sciences Engineering-Industrial and Manufacturing Engineering

CiteScore

1.80

自引率

0.00%

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期刊介绍： The Journal publishes original papers, review papers and preliminary communications in the field of agricultural, environmental and process engineering. The main purpose is to show new scientific results, new developments and procedures with special respect to the engineering of crop production and animal husbandry, soil and water management, precision agriculture, information technology in agriculture, advancements in instrumentation and automation, technical and safety aspects of environmental and food engineering.