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- W4313897565 endingPage "137801" @default.
- W4313897565 startingPage "137801" @default.
- W4313897565 abstract "To overcome the bottlenecks of the conventional zero-valent iron Fenton-like (ZVI/H2O2) process, such as low reagent utilization, low applicable pH, and iron sludge contamination, guava leaf extract (GLE) was used as a green promoter to enhance ZVI/H2O2 process in this study. Compared with the ZVI/H2O2 system, the removal rate and kobs of norfloxacin by the ZVI/H2O2/GLE system were increased by 33.76% and 2.19 times, respectively. The experimental investigation of the mechanism showed that the attack of reactive oxygen species was the main pathway for the removal of pollutants, and three types of reactive oxygen species (1O2, O2−,·OH) generations in the ZVI/H2O2/GLE system were effectively promoted by the introduction of GLE. The reactivity improvement was mainly due to the decrease of pH. At the same time, the chelation of iron ions by GLE promoted the Fe(III)/Fe(II) cycle on the catalyst surface was also a minor mechanism to improve the reactivity. This study provides a crucial reference for the practical application of guava leaf to promote the ZVI/H2O2 process in environmental pollution control." @default.
- W4313897565 created "2023-01-10" @default.
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- W4313897565 date "2023-03-01" @default.
- W4313897565 modified "2023-09-30" @default.
- W4313897565 title "Effect and mechanism of norfloxacin removal by guava leaf extract in the ZVI/H2O2 system" @default.
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- W4313897565 doi "https://doi.org/10.1016/j.chemosphere.2023.137801" @default.
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