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p-Nitrophenol degradation by electro-Fenton process: Pathway, kinetic model and optimization using central composite
J Meijide1, E Rosales1, M Pazos1
1Department of Chemical Engineering University of Vigo, Isaac Newton Building, Campus As Lagoas, Marcosende, 36310, Vigo, Spain.
Chemosphere
|July 22, 2017
Summary
This study optimized the electro-Fenton process for degrading p-nitrophenol by developing a kinetic model. The model accurately predicted degradation pathways and was used to optimize operational conditions for efficient chemical treatment.
Area of Science:
- Environmental Chemistry
- Chemical Engineering
Background:
- Chemical process scale-up requires understanding reaction kinetics and mechanisms.
- Optimizing operational conditions is crucial for efficient industrial chemical production.
Purpose of the Study:
- To degrade p-nitrophenol using the electro-Fenton process.
- To develop a kinetic model for predicting degradation pathways.
- To optimize the electro-Fenton process for p-nitrophenol removal.
Main Methods:
- Degradation of p-nitrophenol via electro-Fenton process.
- Kinetic modeling using Matlab software.
- Optimization using central composite design.
Main Results:
- A kinetic model was developed and validated against experimental data.
- The model accurately predicted the concentration profiles of p-nitrophenol, intermediates, and by-products.
- The electro-Fenton process was optimized by adjusting ferrous ion concentration and current density.
Conclusions:
- The developed kinetic model is effective for predicting degradation pathways in the electro-Fenton process.
- Process optimization using kinetic modeling enhances the efficiency of p-nitrophenol degradation.
- This approach is valuable for chemical process scale-up and reactor design.
