Unlocking the potential: A comprehensive review on blast furnace slag and silica analog adsorbents for sustainable industrial and pharmaceutical pollution control and resource utilization

IF 5.3 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Emerging Contaminants Pub Date : 2024-07-02 DOI:10.1016/j.emcon.2024.100387

Qing-Guo Dong , Jing Li , Zhi-Qing Kang , Muhammad Imran Anwar , Muhammad Asad , Baoji Miao , Shuanghu Wang , Ayesha Younas

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Abstract

Blast furnace slag (BFS) is a secondary material generated during the process of producing iron in blast furnaces, prompting scholars to concentrate on its efficient management and broad application for the creation of valuable commodities. This study examines the mineral composition, adsorption characteristics, and utilization of BFS and its silica counterparts. Recent developments in the application of BFS and its functionalized materials for pollution mitigation are examined, specifically concentrating on the elimination of nitrogen, phosphorus, metal ions, pharmaceutical effluents, waste oils, and dye molecules from wastewater. Moreover, these inexpensive adsorbents exhibit significant specific surface areas, possess microporous configurations, and contain alkaline components like calcium oxide, magnesium oxide, and aluminum oxide. This review further elucidates the present state of BFS-based adsorbents in the absorption of acid gases, with a specific focus on CO₂. The problems associated with widespread BFS usage are analyzed, and potential solutions for effective resource utilization are discussed.

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释放潜力：高炉矿渣和二氧化硅类似物吸附剂用于可持续工业和制药污染控制及资源利用的综合评述

高炉渣（BFS）是高炉炼铁过程中产生的二次材料，促使学者们关注其有效管理和广泛应用，以创造有价值的商品。本研究探讨了 BFS 及其对应的二氧化硅的矿物成分、吸附特性和利用情况。研究了 BFS 及其功能化材料在减轻污染方面应用的最新进展，特别集中于消除废水中的氮、磷、金属离子、制药废水、废油和染料分子。此外，这些廉价的吸附剂具有显著的比表面积、微孔结构，并含有氧化钙、氧化镁和氧化铝等碱性成分。本综述进一步阐明了基于 BFS 的吸附剂在吸收酸性气体方面的现状，并特别关注 CO₂。文章分析了与广泛使用 BFS 有关的问题，并讨论了有效利用资源的潜在解决方案。

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来源期刊

Emerging Contaminants Medicine-Public Health, Environmental and Occupational Health

CiteScore

10.00

自引率

6.70%

发文量

审稿时长

44 days

期刊介绍： Emerging Contaminants is an outlet for world-leading research addressing problems associated with environmental contamination caused by emerging contaminants and their solutions. Emerging contaminants are defined as chemicals that are not currently (or have been only recently) regulated and about which there exist concerns regarding their impact on human or ecological health. Examples of emerging contaminants include disinfection by-products, pharmaceutical and personal care products, persistent organic chemicals, and mercury etc. as well as their degradation products. We encourage papers addressing science that facilitates greater understanding of the nature, extent, and impacts of the presence of emerging contaminants in the environment; technology that exploits original principles to reduce and control their environmental presence; as well as the development, implementation and efficacy of national and international policies to protect human health and the environment from emerging contaminants.