农业废弃物作为低成本吸附剂去除废水中重金属和染料的研究进展

IF 1.4 Q3 CHEMISTRY, MULTIDISCIPLINARY Physical Chemistry Research Pub Date : 2021-06-01 DOI:10.22036/PCR.2021.256683.1852
A. Farhadi, Abolhasan Ameri, Sajad Tamjidi
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引用次数: 14

摘要

水化学污染源于广泛的有毒衍生物,尤其是重金属和染料。它对人类和生态系统的破坏性影响被认为是一场严重的环境灾难。因此,有必要开发从环境中去除有毒污染物的技术。在所有提出的方法中,吸附是去除废水中污染物最常见的方法之一。吸附法是工业污水处理的一种可选方法,也是一种有益的环保手段。近年来,为了实现低成本、高效和环境友好的吸附剂,已经进行了大量的研究。在低成本吸附剂中,农业废弃物作为生物吸附剂的应用最为广泛,用于去除重金属和染料。使用这些化合物的优点是成本低、效率高、能耗低、维护简单和吸附能力高。本研究涉及重金属和染料制造商的风险、影响和资源,此外还研究了农业废物作为低成本吸附剂的情况。此外,利用Langmuir和Freundlich吸附等温线、伪一阶和二阶动力学模型以及热力学参数,研究了重金属离子和染料吸附过程的平衡、动力学和热力学行为。
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Application of Agricultural Wastes as a Low-cost Adsorbent for Removal of Heavy Metals and Dyes from Wastewater: A Review Study
Water chemical pollution originates from a wide range of toxic derivatives, especially heavy metals and dyes. Its destructive effects on humans and the ecosystem have been considered as a serious environmental disaster. Therefore, there is a need to develop technologies to remove toxic pollutants from the environment. Adsorption is one of the most common methods of removing contaminants from wastewater among all the proposed methods. Adsorption is an optional method for industrial sewage treatment and a useful instrument for environmental protection. In recent years, numerous studies have been conducted to achieve low-cost, efficient, and environmentally friendly adsorbents. Among the low-cost adsorbents, the application of agricultural waste, as bio-adsorbent, is the most widely used for removing heavy metals and dyes. The advantages of using these compounds are low cost, good efficiency, minimal energy, simple maintenance and high adsorption capacity. This study deals with the risks, effects, and resources of manufacturers of heavy metal and dyes in addition to examination of agricultural wastes as low-cost adsorbents. Moreover, equilibrium, kinetic, and thermodynamic behaviors of the process of adsorption of heavy metal ions and dyes, using Langmuir and Freundlich adsorption isotherms, and Pseudo first and second-order kinetic models, and thermodynamic parameters were studied.
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来源期刊
Physical Chemistry Research
Physical Chemistry Research CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
2.70
自引率
8.30%
发文量
18
期刊介绍: The motivation for this new journal is the tremendous increasing of useful articles in the field of Physical Chemistry and the related subjects in recent years, and the need of communication between Physical Chemists, Physicists and Biophysicists. We attempt to establish this fruitful communication and quick publication. High quality original papers in English dealing with experimental, theoretical and applied research related to physics and chemistry are welcomed. This journal accepts your report for publication as a regular article, review, and Letter. Review articles discussing specific areas of physical chemistry of current chemical or physical importance are also published. Subjects of Interest: Thermodynamics, Statistical Mechanics, Statistical Thermodynamics, Molecular Spectroscopy, Quantum Chemistry, Computational Chemistry, Physical Chemistry of Life Sciences, Surface Chemistry, Catalysis, Physical Chemistry of Electrochemistry, Kinetics, Nanochemistry and Nanophysics, Liquid Crystals, Ionic Liquid, Photochemistry, Experimental article of Physical chemistry. Mathematical Chemistry.
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