Intensification of levofloxacin sono-degradation in a US/H2O2 system with Fe3O4 magnetic nanoparticles

HongWei; Da Hu; Jie Su; Kebin Li

doi:10.1016/j.cjche.2014.11.011

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Intensification of levofloxacin sono-degradation in a US/H₂O₂ system with Fe₃O₄ magnetic nanoparticles

能源、资源与环境技术 | Updated：2026-01-06

- Intensification of levofloxacin sono-degradation in a US/H₂O₂ system with Fe₃O₄ magnetic nanoparticles
- Intensification of levofloxacin sono-degradation in a US/H₂O₂ system with Fe₃O₄ magnetic nanoparticles
- 中国化学工程学报（英文版） 2015年23卷第1期页码：296-302
- Affiliations：
  
  1. 2 China Huadian Electric Power Research Institute,Hangzhou,China,310030
  2. 3 Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, School of Chemistry and Material Science, Northwest University,Xi'an,China,710069
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.11.011
  中图分类号：
- 纸质出版：2015
- Accepted：
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HongWei, Da Hu, Jie Su, 等. Intensification of levofloxacin sono-degradation in a US/H₂O₂ system with Fe₃O₄ magnetic nanoparticles[J]. 中国化学工程学报（英文版）, 2015,23(1):296-302. DOI: 10.1016/j.cjche.2014.11.011.

O
HongWei, Da Hu, Jie Su, 等. Intensification of levofloxacin sono-degradation in a US/H₂O₂ system with Fe₃O₄ magnetic nanoparticles[J]. 中国化学工程学报（英文版）, 2015,23(1):296-302. DOI: 10.1016/j.cjche.2014.11.011. DOI：

O DOI： 10.1016/j.cjche.2014.11.011.

摘要

Abstract

magnetic nanoparticles (MNPs) were synthesised

characterised

and used as a peroxidase mimetic to accelerate levofloxacin sono-degradation in an ultrasound (US)/H

system. The Fe

MNPs were in nanometre scale with an average diameter of approximately 12 to 18 nm. The introduction of Fe

MNPs increased levofloxacin sono-degradation in the US/H

system. Experimental parameters

such as Fe

MNP dose

initial solution pH

and H

concentration

were investigated by a one-factor-at-a-time approach. The results showed that Fe

MNPs enhanced levofloxacin removal in the pH range from 4.0 to 9.0. Levofloxacin removal ratio increased with Fe

MNP dose up to 1.0 g·L

-1

and with H

concentration until reaching the maximum.Moreover

three main intermediate compounds were identified by HPLC with electrospray ionisation tandem mass spectrometry

and a possible degradation pathway was proposed. This study suggests that combination of H

MNPs and US is a good way to improve the degradation efficiency of antibiotics.

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