Biomass-based adsorbents for wastewater remediation: A systematic review on removal of emerging contaminants

IF 4.9 2区化学 Q1 CHEMISTRY, ANALYTICAL

Microchemical Journal Pub Date : 2024-10-12 DOI:10.1016/j.microc.2024.111880

Nishita Sharma , Aruna Yadav , Sarita Yadav , Partiksha Panghal , Sonika Singh , Aakash Deep , Surender Kumar

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Abstract

As anthropogenic activities, industrialization, and technology have grown exponentially in recent decades, the presence of emerging contaminants (ECs) is increasing stress on fresh and sustainable water supplies due to their environmental toxicity. Therefore, a holistic approach is urgently required for the development of efficient technologies to bring the idea of wastewater remediation to fruition. Adsorption with biomass-based adsorbents can contribute to this perception as it offers numerous advantages over existing wastewater treatment technologies. This review ensures a thorough analysis of the potential application of natural sustainable adsorbents based on biomass for efficient removal of ECs including pharmaceuticals and personal care products (PPCPs), agrochemicals, aromatics, and microplastics (MPs). Various factors impacting the adsorption efficiency such as adsorbent dosage, concentration, contact time, pH, and temperature, along with the best-fitted models have been provided for the critical literature analysis. The adsorption mechanism involved was reviewed based on the point of zero charges of adsorbents, the ionic form of adsorbate, the hydrophobicity of adsorbate and adsorbent, surface functional groups, etc. Further, literature gaps were also identified and discussed for directing future research needed in the development of inexpensive, eco-friendly, efficient, reusable adsorbents with the overall process based on circular bio-economy and 4R (Reduce, Recycle, Re-use and Recover) approach, so that it can be commercialized to promote more sustainable futures.

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用于废水修复的生物质吸附剂：关于去除新兴污染物的系统综述

近几十年来，随着人类活动、工业化和技术的飞速发展，新出现的污染物（ECs）因其环境毒性而对淡水和可持续供水造成越来越大的压力。因此，迫切需要一种综合方法来开发高效技术，以实现废水修复的理念。与现有的废水处理技术相比，使用生物质吸附剂进行吸附具有诸多优势，因此可以为实现这一理念做出贡献。本综述将全面分析基于生物质的天然可持续吸附剂在高效去除包括药物和个人护理产品（PPCPs）、农用化学品、芳烃和微塑料（MPs）在内的 ECs 方面的潜在应用。文献分析提供了影响吸附效率的各种因素，如吸附剂用量、浓度、接触时间、pH 值和温度，以及最佳拟合模型。根据吸附剂的零电荷点、吸附剂的离子形式、吸附剂和吸附剂的疏水性、表面官能团等，对相关的吸附机理进行了综述。此外，还发现并讨论了文献空白，以指导今后在开发廉价、生态友好、高效、可重复使用的吸附剂方面所需的研究，整个过程以循环生物经济和 4R（减少、回收、再利用和再循环）方法为基础，从而实现商业化，促进更可持续的未来。

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来源期刊

Microchemical Journal 化学-分析化学

CiteScore

8.70

自引率

8.30%

发文量

1131

审稿时长

1.9 months

期刊介绍： The Microchemical Journal is a peer reviewed journal devoted to all aspects and phases of analytical chemistry and chemical analysis. The Microchemical Journal publishes articles which are at the forefront of modern analytical chemistry and cover innovations in the techniques to the finest possible limits. This includes fundamental aspects, instrumentation, new developments, innovative and novel methods and applications including environmental and clinical field. Traditional classical analytical methods such as spectrophotometry and titrimetry as well as established instrumentation methods such as flame and graphite furnace atomic absorption spectrometry, gas chromatography, and modified glassy or carbon electrode electrochemical methods will be considered, provided they show significant improvements and novelty compared to the established methods.