Recent advance in enhanced adsorption of ionic dyes from aqueous solution: A review

IF 11.4 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Critical Reviews in Environmental Science and Technology Pub Date : 2023-04-19 DOI:10.1080/10643389.2023.2200714

J. Lu, Yi Zhou, Yanbo Zhou

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引用次数: 3

Abstract

Abstract Adsorption technology is a hot topic in the field of dye removal, and higher adsorption capacity is one of the eternal themes. Ionic dyes account for more than 90% of the literature on dyes adsorption in recent decade. In this article, various physical and chemical mechanisms of dye adsorption are combed in detail, and electrostatic interaction is the major mechanism of ionic dyes adsorption. The key to improving the adsorption capacity is to increase the electrostatic interaction force/surface charge of adsorbents. Moreover, different modification methods to improve the adsorption of ionic dyes by changing the charge properties of adsorbents were reviewed, including grafting functional groups, composite, and adsorbent structural modulation. The practical prospects of each modification method/substance were highlighted and discussed from the perspectives of performance, preparation processes, cost, and toxicity. This review mainly includes (1) the classification and adsorption mechanisms of dyes; (2) types, performance and application prospects of grafted ligands and substances applied for compositing; (3) the performance and limitations of the structural regulation methods; (4) research progresses of amphoteric adsorbents; (5) the prospect of adsorbents development and industrial-scale application. This review attempts to provide a detailed reference for the modification of adsorbents via electrostatic interaction regulation. Graphical Abstract

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离子染料在水溶液中的强化吸附研究进展

摘要:吸附技术是染料脱除领域的研究热点，提高吸附能力是永恒的主题之一。近十年来，离子染料的研究占染料吸附文献的90%以上。本文对染料吸附的各种物理化学机理进行了详细的梳理，静电相互作用是离子染料吸附的主要机理。提高吸附剂的静电作用力/表面电荷是提高吸附剂吸附能力的关键。综述了通过改变吸附剂的电荷性质来提高离子染料吸附性能的各种改性方法，包括接枝官能团、复合改性和吸附剂结构调制等。从性能、制备工艺、成本和毒性等方面重点讨论了各种改性方法/物质的应用前景。本文主要包括:(1)染料的分类和吸附机理;(2)接枝配体和复合材料的种类、性能及应用前景;(3)结构调节方法的性能和局限性;(4)两性吸附剂的研究进展;(5)吸附剂的发展和工业规模应用前景。本文试图为通过静电相互作用调控对吸附剂进行改性提供详细的参考。图形抽象

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来源期刊

Critical Reviews in Environmental Science and Technology 环境科学-环境科学

CiteScore

27.30

自引率

1.60%

发文量

审稿时长

2 months

期刊介绍： Two of the most pressing global challenges of our era involve understanding and addressing the multitude of environmental problems we face. In order to tackle them effectively, it is essential to devise logical strategies and methods for their control. Critical Reviews in Environmental Science and Technology serves as a valuable international platform for the comprehensive assessment of current knowledge across a wide range of environmental science topics. Environmental science is a field that encompasses the intricate and fluid interactions between various scientific disciplines. These include earth and agricultural sciences, chemistry, biology, medicine, and engineering. Furthermore, new disciplines such as environmental toxicology and risk assessment have emerged in response to the increasing complexity of environmental challenges. The purpose of Critical Reviews in Environmental Science and Technology is to provide a space for critical analysis and evaluation of existing knowledge in environmental science. By doing so, it encourages the advancement of our understanding and the development of effective solutions. This journal plays a crucial role in fostering international cooperation and collaboration in addressing the pressing environmental issues of our time.