Degradation of chloramphenicol by potassium ferrate (VI) oxidation: kinetics and products
| Autor: | Hong yu Wang, Jia-heng Zhou, Kai-bo Chen, Qian-kun Hong, Fan-cheng Zeng |
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| Rok vydání: | 2016 |
| Předmět: |
Order of reaction
Potassium ferrate Potassium Compounds Health Toxicology and Mutagenesis Iron Kinetics Inorganic chemistry 02 engineering and technology 010501 environmental sciences Cleavage (embryo) 01 natural sciences chemistry.chemical_compound Amide medicine Environmental Chemistry Benzene 0105 earth and related environmental sciences Chemistry Chloramphenicol General Medicine Hydrogen-Ion Concentration 021001 nanoscience & nanotechnology Pollution Degradation (geology) 0210 nano-technology Oxidation-Reduction Iron Compounds Water Pollutants Chemical medicine.drug |
| Zdroj: | Environmental science and pollution research international. 24(11) |
| ISSN: | 1614-7499 |
| Popis: | The oxidation of chloramphenicol (CAP) by potassium ferrate (VI) in test solution was studied in this paper. A series of jar tests were performed at bench scale with pH of 5–9 and molar ratio [VI/CAP] of 16.3:1–81.6:1. Results showed that raising VI dose could improve the treatment performance and the influence of solution pH was significant. VI is more reactive in neutral conditions, presenting the highest removal efficiency of CAP. The rate law for the oxidation of CAP by VI was first order with respect to each reactant, yielding an overall second-order reaction. Furthermore, five oxidation products were observed during CAP oxidation by VI. Results revealed that VI attacked the amide group of CAP, leading to the cleavage of the group, while benzene ring remained intact. |
| Databáze: | OpenAIRE |
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