废水处理中的碳质吸附剂:从机理到新兴应用。

IF 8.2 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Science of the Total Environment Pub Date : 2024-12-10 Epub Date: 2024-10-31 DOI:10.1016/j.scitotenv.2024.177106
Xiao Liu, Qinglan Hao, Maohong Fan, Botao Teng
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引用次数: 0

摘要

吸附在水污染控制中具有重要意义。碳量子点、碳纳米管、石墨烯和活性炭等碳质吸附剂因其优异的物理结构和与各种污染物的强相互作用,早已被应用于可持续的废水处理中,这些特点使其在环境修复中引发了更大的兴趣。尽管有关碳材料在废水处理方面的研究层出不穷,但缺乏对不同类型碳质吸附剂在分子和原子水平上生动的结构-活性-应用关系的全面比较和总结。在此,本综述旨在对不同维度的碳质吸附剂的吸附机理进行仔细研究和对比,从微观角度分析吸附容量的质的差异、制备方法导致的结构多样性以及影响吸附发生的环境外部因素。然后,对使用碳质吸附剂处理废水中的传统和新兴污染物进行了定量深入的批判性评价,并讨论了提高其吸附能力的创新策略。最后,在强制循环和零废物愿望日益强烈的背景下,本综述为碳质吸附剂实现可持续废水处理提供了一些有前景的见解。
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Carbonaceous adsorbents in wastewater treatment: From mechanism to emerging application.

Adsorption is of great significance in the water pollution control. Carbonaceous adsorbents, such as carbon quantum dots, carbon nanotubes, graphene, and activated carbons, have long been deployed in sustainable wastewater treatment due to their excellent physical structure and strong interaction with various pollutants; these features allow them to spark greater interest in environmental remediation. Although numerous eye-catch researches on carbon materials in wastewater treatment, there is a lack of comprehensive comparison and summary of the vivid structure-activity-application relationships of different types of carbonaceous adsorbents at the molecular and atomic level. Herein, this review aims to scrutinize and contrast the adsorption mechanisms of carbonaceous adsorbents with different dimensions, analyzing the qualitative differences in adsorption capacity from microscopic perspectives, structural diversity caused by preparation methods, and environmental external factors affecting adsorption occurrence. Then, a quantitatively in-depth critical appraisal of traditional and emerging contaminants in wastewater treatment using carbonaceous adsorbents, and innovative strategies for enhancing their adsorption capacity are discussed. Finally, in the context of growing imposed circularity and zero waste wishes, this review offers some promising insights for carbonaceous adsorbents in achieving sustainable wastewater treatment.

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来源期刊
Science of the Total Environment
Science of the Total Environment 环境科学-环境科学
CiteScore
17.60
自引率
10.20%
发文量
8726
审稿时长
2.4 months
期刊介绍: The Science of the Total Environment is an international journal dedicated to scientific research on the environment and its interaction with humanity. It covers a wide range of disciplines and seeks to publish innovative, hypothesis-driven, and impactful research that explores the entire environment, including the atmosphere, lithosphere, hydrosphere, biosphere, and anthroposphere. The journal's updated Aims & Scope emphasizes the importance of interdisciplinary environmental research with broad impact. Priority is given to studies that advance fundamental understanding and explore the interconnectedness of multiple environmental spheres. Field studies are preferred, while laboratory experiments must demonstrate significant methodological advancements or mechanistic insights with direct relevance to the environment.
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