Optimal synthesis of Fenton reactor networks for phenol degradation |
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Authors: | Ricardo F.F. PontesJosé M. Pinto |
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Affiliation: | a Chemical Engineering Department, Universidade de São Paulo, Av. Prof. Luciano Gualberto, Travessa 3, 380, 05508-900, São Paulo/SP, Brazil b Othmer-Jacobs Department of Chemical and Biological Engineering, Polytechnic University, Brooklyn, NY 11201, USA |
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Abstract: | There is an increasing need to treat effluents contaminated with phenol with advanced oxidation processes (AOPs) to minimize their impact on the environment as well as on bacteriological populations of other wastewater treatment systems. One of the most promising AOPs is the Fenton process that relies on the Fenton reaction. Nevertheless, there are no systematic studies on Fenton reactor networks. The objective of this paper is to develop a strategy for the optimal synthesis of Fenton reactor networks. The strategy is based on a superstructure optimization approach that is represented as a mixed integer non-linear programming (MINLP) model. Network superstructures with multiple Fenton reactors are optimized with the objective of minimizing the sum of capital, operation and depreciation costs of the effluent treatment system. The optimal solutions obtained provide the reactor volumes and network configuration, as well as the quantities of the reactants used in the Fenton process. Examples based on a case study show that multi-reactor networks yield decrease of up to 45% in overall costs for the treatment plant. |
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Keywords: | Fenton process Optimization Reactor networks Process synthesis Wastewater treatment |
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