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Peroxymonosulfate/solar radiation process for the removal of aqueous microcontaminants. Kinetic modeling, influence of variables and matrix constituents.
J Hazard Mater. 2020 Jun 10; 400:123118.JH

Abstract

New technologies to address the presence of pharmaceutical and personal care products (PPCPs) in wastewater are needed, especially in those cases in which water will be reused. In this work, the activation of peroxymonosulfate (PMS) with simulated solar radiation has been applied to the oxidation of a mixture of six PPCPs, i.e. caffeine, primidone, N,N-diethyl-3-methylbenzamide (DEET), methylparaben, clofibric acid and ibuprofen. The sole application of solar radiation, i.e. solar photolysis, only led to the oxidation of clofibric acid (complete degradation in 90 min). The combination of PMS and solar radiation resulted in the degradation of all target micropollutants. The complete degradation of this mixture at initial 100 ppb was achieved with 0.5 mM of initial PMS after 90 min. A kinetic study that acceptably simulates the experimental data under different conditions has been proposed. The effects of initial PPCP concentration (1 mg L-1-100 μg L-1), PMS dose (0.1-5 mM), and pH (3-9) were tested and kinetically simulated. Finally, the PPCPs removal study was carried out in two real water matrices (river and a secondary effluent of an urban wastewater treatment plant). A higher dose of PMS, ten times higher, was required to achieve complete degradation of the micropollutants if compared to ultrapure water.

Authors+Show Affiliations

Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati OH 45221-0012 USA. Electronic address: rafarsolis@gmail.com.Department of Chemical Engineering and Physical Chemistry, University of Extremadura, Avda. Elvas 06006 Badajoz Spain; University Institute of Water, Climate Change and Sustainability (IACYS), University of Extremadura, Avda. de la Investigación 06006 Badajoz Spain. Electronic address: fjrivas@unex.es.Department of Chemical Engineering and Physical Chemistry, University of Extremadura, Avda. Elvas 06006 Badajoz Spain; University Institute of Water, Climate Change and Sustainability (IACYS), University of Extremadura, Avda. de la Investigación 06006 Badajoz Spain.Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati OH 45221-0012 USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32590132

Citation

Solís, Rafael R., et al. "Peroxymonosulfate/solar Radiation Process for the Removal of Aqueous Microcontaminants. Kinetic Modeling, Influence of Variables and Matrix Constituents." Journal of Hazardous Materials, vol. 400, 2020, p. 123118.
Solís RR, Rivas FJ, Chávez AM, et al. Peroxymonosulfate/solar radiation process for the removal of aqueous microcontaminants. Kinetic modeling, influence of variables and matrix constituents. J Hazard Mater. 2020;400:123118.
Solís, R. R., Rivas, F. J., Chávez, A. M., & Dionysiou, D. D. (2020). Peroxymonosulfate/solar radiation process for the removal of aqueous microcontaminants. Kinetic modeling, influence of variables and matrix constituents. Journal of Hazardous Materials, 400, 123118. https://doi.org/10.1016/j.jhazmat.2020.123118
Solís RR, et al. Peroxymonosulfate/solar Radiation Process for the Removal of Aqueous Microcontaminants. Kinetic Modeling, Influence of Variables and Matrix Constituents. J Hazard Mater. 2020 Jun 10;400:123118. PubMed PMID: 32590132.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Peroxymonosulfate/solar radiation process for the removal of aqueous microcontaminants. Kinetic modeling, influence of variables and matrix constituents. AU - Solís,Rafael R, AU - Rivas,F Javier, AU - Chávez,Ana M, AU - Dionysiou,Dionysios D, Y1 - 2020/06/10/ PY - 2020/04/16/received PY - 2020/05/26/revised PY - 2020/06/01/accepted PY - 2020/6/27/pubmed PY - 2020/6/27/medline PY - 2020/6/27/entrez KW - Oxidation process KW - PPCPs KW - Peroxymonosulfate KW - Simulated solar radiation KW - Wastewater SP - 123118 EP - 123118 JF - Journal of hazardous materials JO - J. Hazard. Mater. VL - 400 N2 - New technologies to address the presence of pharmaceutical and personal care products (PPCPs) in wastewater are needed, especially in those cases in which water will be reused. In this work, the activation of peroxymonosulfate (PMS) with simulated solar radiation has been applied to the oxidation of a mixture of six PPCPs, i.e. caffeine, primidone, N,N-diethyl-3-methylbenzamide (DEET), methylparaben, clofibric acid and ibuprofen. The sole application of solar radiation, i.e. solar photolysis, only led to the oxidation of clofibric acid (complete degradation in 90 min). The combination of PMS and solar radiation resulted in the degradation of all target micropollutants. The complete degradation of this mixture at initial 100 ppb was achieved with 0.5 mM of initial PMS after 90 min. A kinetic study that acceptably simulates the experimental data under different conditions has been proposed. The effects of initial PPCP concentration (1 mg L-1-100 μg L-1), PMS dose (0.1-5 mM), and pH (3-9) were tested and kinetically simulated. Finally, the PPCPs removal study was carried out in two real water matrices (river and a secondary effluent of an urban wastewater treatment plant). A higher dose of PMS, ten times higher, was required to achieve complete degradation of the micropollutants if compared to ultrapure water. SN - 1873-3336 UR - https://www.unboundmedicine.com/medline/citation/32590132/Peroxymonosulfate/solar_radiation_process_for_the_removal_of_aqueous_microcontaminants._Kinetic_modeling,_influence_of_variables_and_matrix_constituents L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3894(20)31107-9 DB - PRIME DP - Unbound Medicine ER -
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