利用生物模板法制备钒酸铋光催化剂降解废水四环素的性能研究

doi:10.11896/cldb.24100238

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Abstract The widespread use of antibiotics in medicine and agriculture has made water pollution a pressing issue, underscoring the urgent need for effective treatment technologies. Photocatalytic technology has gained significant attention for water treatment due to its environmentally friendly and efficient properties. In this study, high-performance BiVO₄ catalysts have been designed and synthesized via the biotemplate method using single-phase bismuth vanadate (BiVO₄). The photodegradation ability of tetracycline hydrochloride (TCH)-contained wastewater has been investigated. The MB catalyst synthesized using Sargassum as a template exhibited a large specific surface area of 1.238 3 m²/g, an average pore size 100% larger than that of the sol-gel prepared catalyst, and a superior photocarrier separation efficiency due to the smallest Nyquist radius, thereby enhancing the photocatalytic performance. As a result, MB demonstrated the best degradation efficacy among the tested catalysts, as it effectively catalyzed TCH degradation (degradation rate approached 70%) within a relatively short period (1 h). This study elucidated the preparation strategy and performance optimization of BiVO₄, and may provide a potentially effective solution for treating antibiotics-contaminated water.

Key words： biological template method tetracycline hydrochloride (TCH) BiVO₄ photocatalyst wastewater treatment photocatalysis

Published: 10 November 2025 Online: 2025-11-10

CLC number:

X703

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	Articles by authors
	QIAN Sheng
	YANG Yijie
	MIAO Yingrong
	FANG Yingtong
	LI Xingyong
	LIU Na
	ZHANG Wei
	HU Peng
	CHEN Yubao

Cite this article:

QIAN Sheng,YANG Yijie,MIAO Yingrong, et al. PerformanceStudy of Bismuth Vanadate Photocatalyst Prepared Using Biological Template Method for Degradation of TCH in Wastewater[J]. Materials Reports, 2025, 39(21): 24100238-7.

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https://www.mater-rep.com/EN/10.11896/cldb.24100238 OR https://www.mater-rep.com/EN/Y2025/V39/I21/24100238

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