Biochar-derived adsorbents for removal of Rhodamine B from wastewater

Q1 Environmental Science
Vidya Yalasangi , Neelaambhigai Mayilswamy , Balasubramanian Kandasubramanian
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引用次数: 0

Abstract

Rhodamine B (RhB), a synthetic organic dye poses environmental risks due to improper disposal, contributing to bioaccumulation; its elimination from wastewater is essential to safeguard environmental and human health. A diverse array of adsorbents, including metal oxides, activated carbon, clay-based materials, and agricultural waste derivatives, have been employed for RhB adsorption from wastewater. The burgeoning interest in biochar-based adsorbents for RhB removal is underpinned by their merits including high porosity, abundant surface functionalities, customizable surface area, and exceptional recyclability. This review delves into biochar adsorbents for the efficient removal of RhB from wastewater. Adsorption kinetics, isotherms, and thermodynamics studies governing RhB adsorption are discussed here. A distinctive aspect of this work is the integration of density functional to elucidate the fundamental molecular interactions between the adsorbent and RhB, providing insights into electronic structure, binding energies, and complex adsorption geometries, along with response surface methodology to systematically optimize experimental parameters.

Abstract Image

生物炭吸附剂去除废水中的罗丹明 B
罗丹明 B(RhB)是一种合成有机染料,由于处置不当会造成生物蓄积,从而对环境造成危害;从废水中去除罗丹明 B 对保护环境和人类健康至关重要。目前已采用多种吸附剂来吸附废水中的 RhB,其中包括金属氧化物、活性炭、粘土基材料和农业废弃物衍生物。生物炭吸附剂具有高孔隙率、丰富的表面功能、可定制的表面积和优异的可回收性等优点,因此人们对生物炭吸附剂去除 RhB 的兴趣日益浓厚。本综述将深入探讨生物炭吸附剂如何有效去除废水中的 RhB。本文讨论了有关 RhB 吸附的吸附动力学、等温线和热力学研究。这项工作的一个独特之处是整合了密度泛函,以阐明吸附剂与 RhB 之间的基本分子相互作用,从而深入了解电子结构、结合能和复杂的吸附几何形状,并采用响应面方法对实验参数进行系统优化。
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
Bioresource Technology Reports
Bioresource Technology Reports Environmental Science-Environmental Engineering
CiteScore
7.20
自引率
0.00%
发文量
390
审稿时长
28 days
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