Biosorption of Azo Dyes by Bacterial Biomass: A review

Abdusssamad Abubakar, N. A. Yasid, Ahmad Razi Othman, Mohd Yunus Shukor
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Abstract

This review explores the potential of bacterial biomass as a sustainable and cost-effective approach for removing azo dyes from wastewater. Azo dyes, widely used in various industries, pose significant environmental challenges due to their persistence and potential toxic effects. The study provides an extensive analysis of the current literature on the biosorption of dye using bacterial biomass. It discusses the mechanisms involved in biosorption, including physicochemical interactions, microbial metabolism, and cell surface characteristics. The review presents an overview of different bacterial species, their suitability for biosorption, and the factors that influence their efficiency. The review critically evaluates various parameters affecting biosorption performance, such as pH, temperature, initial dye concentration, and biomass dosage. It highlights the importance of optimizing these parameters to enhance biosorption efficacy and maximize dye removal efficiency. The advantages and limitations of using bacterial biomass for azo dye biosorption and comparing it with other conventional treatment methods were discussed. The potential application of biosorption in large-scale scenarios and the challenges associated with its implementation are also addressed. The review emphasizes the need for further studies to explore novel bacterial strains, improve biosorption kinetics, optimize process parameters, and investigate the fate of dye-loaded biomass.
细菌生物质对偶氮染料的生物吸附:综述
本综述探讨了细菌生物质作为一种可持续的、具有成本效益的方法去除废水中偶氮染料的潜力。偶氮染料广泛应用于各行各业,由于其持久性和潜在的毒性影响,对环境构成了巨大挑战。本研究对目前利用细菌生物质进行染料生物吸附的文献进行了广泛分析。它讨论了生物吸附所涉及的机制,包括物理化学相互作用、微生物新陈代谢和细胞表面特征。综述概述了不同的细菌种类、它们对生物吸附的适用性以及影响其效率的因素。综述严格评估了影响生物吸附性能的各种参数,如 pH 值、温度、初始染料浓度和生物量。它强调了优化这些参数对提高生物吸附功效和最大限度地提高染料去除效率的重要性。讨论了使用细菌生物质进行偶氮染料生物吸附的优势和局限性,并将其与其他传统处理方法进行了比较。此外,还讨论了生物吸附在大规模应用场景中的潜在应用及其实施过程中面临的挑战。综述强调了进一步研究的必要性,以探索新型细菌菌株,改善生物吸附动力学,优化工艺参数,并调查染料负载生物质的命运。
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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