Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 10, Issue 3, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2022.107529
Keywords
Pipe deposits; Chloramphenicol; Catalytic degradation; Fenton -like; Double oxidation
Categories
Funding
- National Natural Science Foundation of China [51778177]
- Heilongjiang Touyan Innovation Team Program [HIT-SE-01]
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology [2021TS10]
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This study explores the use of pipe deposits from water networks as catalysts for a H2O2/peroxymonosulfate oxidation system. By adding different components of the deposits, the removal effect of chloramphenicol was investigated. The study provides insights into the kinetics and reaction mechanism of the catalytic degradation process, with the aim of effectively removing pollutants and utilizing resources.
The overuse of antibiotics leads to the emergence of resistant bacteria and antibiotic resistance genes in drinking water distribution system, which destroys the balance of the ecosystem, affects water quality and poses a threat to human health. In this study, the pipe deposits from water networks can be used as catalysts for the Fenton-like system. In this paper, H2O2/peroxymonosulfate (PMS) double-oxidation system was constructed. With the assistance of hydroxylamine, the deposits of the actual water networks was used as catalysts to degrade chlor-amphenicol (CAP). By adding different deposits components into the catalytic oxidation system, it was found that the removal effect of CAP was different when adding different components into the system. Furthermore, the best experimental conditions were obtained by analyzing different influencing factors. Finally, we analyzed the ki-netics of catalytic degradation of CAP by actual pipe network deposits, constructed the degradation model and explored the reaction mechanism. The purpose of this study is to effectively use the deposits in the pipeline to remove pollutants and realize resource utilization. The results could provide a new idea for dealing with anti -biotic pollution in water body and provide a theoretical basis for the safety of water quality in drinking water distribution system.
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