不同煅烧温度对碳纳米管活化PMS降解四环素的性能研究

doi:10.16039/j.cnki.cn22-1249.2022.03.009

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摘要

环境中大量监测出的四环素类抗生素对于生态系统和人类健康造成了严重的威胁，碳基催化剂活化过一硫酸盐（PMS）降解水中四环素的技术因其环境友好以及无二次污染而受到广泛关注，但其催化氧化效果有待提升。本文采用不同煅烧温度下的碳纳米管（CNTs）活化过一硫酸盐（PMS）降解水中四环素（TC），同时考察了PMS浓度、CNT投加量以及初始pH值等反应条件对四环素降解的影响。结果表明，煅烧温度为950℃下处理的CNTs具有最佳的活化PMS的性能，且当初始pH为9、CNT投加量为0.4 g/L、PMS与TC的物质的量浓度比为20：1时TC达到最佳的讲解去除效果。

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	朱永娟
	黄漫婷
	韦海芳
	赵智敏
	吴景豪

关键词: 碳纳米管过一硫酸盐四环素煅烧温度

Abstract:

A large number of tetracycline antibiotics were detected in the environment which posed a serious threat to ecosystems and human health. Carbon-based catalyst-activated peroxymonosulfate (PMS) technology has received extensive attention due to its environmental friendliness and no secondary pollution, but its catalytic oxidation efficiency needs to be further improved. In this paper, peroxymonosulfate (PMS) were activated by carbon nanotubes (CNTs) calcined at different temperatures for degradation of tetracycline (TC) in water, and the effects of PMS concentration, CNT dosage and initial pH on the degradation of tetracycline were investigated in detail. The results showed that the CNTs calcined at 950 ℃ exhibits the best performance on the PMS activation. When the initial pH was 9, the dosage of CNTs was 0.4 g/L, and the molar concentration ratio of PMS to TC was 20:1, the TC degradation is the highest.

Key words: carbon nanotubes peroxymonosulfate tetracycline calcination temperature

出版日期: 2022-03-25 发布日期: 2022-03-25 整期出版日期: 2022-03-25

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引用本文:

朱永娟, 黄漫婷 , 韦海芳, 赵智敏, 吴景豪. 不同煅烧温度对碳纳米管活化PMS降解四环素的性能研究 [J]. 吉林化工学院学报, 2022, 39(3): 38-41.
ZHU yongjuan , HUANG manting, WEI haifang, ZHAO zhimin, WU jinghao. Performance of Carbon Nanotubes at Different Calcination Temperatures for PMS activation on Tetracycline Degradation . Journal of Jilin Institute of Chemical Technology, 2022, 39(3): 38-41.

链接本文:

http://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2022.03.009 或 http://xuebao.jlict.edu.cn/CN/Y2022/V39/I3/38

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