Insight into efficient removal of tetracycline from water by Fe–Si–B amorphous alloys

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Journal of Non-crystalline Solids Pub Date : 2025-01-02 DOI:10.1016/j.jnoncrysol.2024.123377

Jing Wei , Zhigang Zheng , Zhaoguo Qiu , Dechang Zeng

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Abstract

The removal efficiency of tetracycline (TC) by Fe-based amorphous (Fe^am) alloy was investigated through batch experiments, examining the effects of TC concentration, initial pH, and environmental temperature on its removal performance. The experimental results indicate that Fe^am, owing to its amorphous structure and excellent catalytic properties, has a TC removal rate that is 2.75 times greater than that of zero-valent iron (ZVI) powder. Within the range of initial pH values from 4 to 7, the degradation efficiency for TC remains high, with nearly all removal rates reaching 99 % after 30 min of treatment. The results suggest that the removal process is primarily attributed to adsorption (by Fe⁰ and its corrosion products) and reduction. The pH significantly influences the formation of iron corrosion products and the variations in TC species. The reactive adsorbed Fe²⁺ plays a crucial role in the removal process. In addition to demonstrating effective removal capabilities for TC, Fe^am also exhibits excellent removal performance for oxytetracycline (OTC) hydrochloride and chlorotetracycline (CTC) hydrochloride, underscoring its broad applicability among tetracycline antibiotics. In summary, this study provides a novel approach for the removal of tetracycline antibiotics from water.

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.