Surface modification of bentonite and montmorillonite as novel nano-adsorbents for the removal of phenols, heavy metals and drug residues

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL Advances in Colloid and Interface Science Pub Date : 2024-11-01 DOI:10.1016/j.cis.2024.103334

Sara Arabmofrad , Giuseppe Lazzara , Reinhard Miller , Seid Mahdi Jafari

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Abstract

Montmorillonite (Mt) is one of the eco-friendly and low-cost nano-adsorbents for water and wastewater treatment. Interactions of Mt. with various modifiers such as surfactants and polymers make it an ideal adsorbent with good selectivity for the removal of phenols, heavy metals and drug residues from water and wastewater. Surface modification can improve the adsorption potential of Mt. due to increasing the number of adsorption sites and functional groups to remove a wide variety of contaminants. This paper shows a general overview of the structure, adsorptive characteristics, and applications of Mt. and modified Mt. (m-Mt). Also, recent progress made in using of natural and modified bentonite and Mt. for removing phenols, heavy metals and pharmaceuticals from water and wastewater are explained. Furthermore, it discusses the strategies used to increase the adsorption capacity of Mt. by surface modification with cationic surfactants, acids, and polymers. This article delivers an exploration of the current uses of bentonite and Mt. for water and wastewater treatment and encouraging results obtained in this review could aid in the application Mt. and m-Mt for the recovery of high added value compounds and removal of contaminants from aquatic systems.

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膨润土和蒙脱石的表面改性作为新型纳米吸附剂用于去除酚类、重金属和药物残留。

蒙脱石（Mt）是一种用于水和废水处理的环保型低成本纳米吸附剂。蒙脱石与各种改性剂（如表面活性剂和聚合物）的相互作用使其成为一种理想的吸附剂，具有良好的选择性，可去除水和废水中的酚类、重金属和药物残留。由于增加了吸附位点和官能团的数量，表面改性可以提高 Mt.本文概述了 Mt.和改性 Mt.（m-Mt）的结构、吸附特性和应用。此外，还介绍了使用天然膨润土和改性膨润土去除水和废水中的酚类、重金属和药物的最新进展。此外，文章还讨论了通过使用阳离子表面活性剂、酸和聚合物进行表面改性来提高 Mt.本文探讨了膨润土和芒硝在水和废水处理中的现有用途，综述中获得的令人鼓舞的结果有助于将芒硝和间芒硝用于回收高附加值化合物和去除水生系统中的污染物。

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来源期刊

Advances in Colloid and Interface Science 化学-物理化学

CiteScore

28.50

自引率

2.60%

发文量

175

审稿时长

31 days

期刊介绍： "Advances in Colloid and Interface Science" is an international journal that focuses on experimental and theoretical developments in interfacial and colloidal phenomena. The journal covers a wide range of disciplines including biology, chemistry, physics, and technology. The journal accepts review articles on any topic within the scope of colloid and interface science. These articles should provide an in-depth analysis of the subject matter, offering a critical review of the current state of the field. The author's informed opinion on the topic should also be included. The manuscript should compare and contrast ideas found in the reviewed literature and address the limitations of these ideas. Typically, the articles published in this journal are written by recognized experts in the field.