Cited by 45Advanced oxidation water treatmentEnvironmental remediation with nanomaterialsPer- and polyfluoroalkyl substances research

Degradation of propyl paraben by activated persulfate using iron-containing magnetic carbon xerogels: Investigation of water matrix and process synergy effects

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Metheniti, Maria Evangelia, Frontistis, Zacharias, Ribeiro, Rui S., Silva, Adrián M.T., Faria, Joaquim L., Gomes, Helder T., Mantzavinos, Dionissios·2018·Environmental Science and Pollution Research

Abstract

An advanced oxidation process comprising an iron-containing magnetic carbon xerogel (CX/Fe) and persulfate was tested for the degradation of propyl paraben (PP), a contaminant of emerging concern, in various water matrices. Moreover, the effect of 20 kHz ultrasound or light irradiation on process performance was evaluated. The pseudo-first order degradation rate of PP was found to increase with increasing SPS concentration (25-500 mg/L) and decreasing PP concentration (1690-420 μg/L) and solution pH (9-3). Furthermore, the effect of water matrix on kinetics was detrimental depending on the complexity (i.e., wastewater, river water, bottled water) and the concentration of matrix constituents (i.e., humic acid, chloride, bicarbonate). The simultaneous use of CX/Fe and ultrasound as persulfate activators resulted in a synergistic effect, with the level of synergy (between 35 and 50%) depending on the water matrix. Conversely, coupling CX/Fe with simulated solar or UVA irradiation resulted in a cumulative effect in experiments performed in ultrapure water.

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Crossref · 10.1007/s11356-017-0178-9

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  • The results of Figure 10b are consistent with those shown in Figure 9 concerning SMX degradation in bottled water, where bicarbonates are the dominant ions at 210 mg/L concentration.

    “The results of Figure 10b are consistent with those shown in Figure 9 concerning SMX degradation in bottled water, where bicarbonates are the dominant ions at 210 mg / L concentration [46].”

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Authors
Metheniti, M. E., Frontistis, Z., Ribeiro, R. S., Silva, A. M. T., Faria, J. L., Gomes, H. T., & Mantzavinos, D.
Affiliations
  • University of Patras (GR)
  • Universidade do Porto (PT)
  • Universidade Politécnica de Bragança (PT)
Corresponding author
Mantzavinos, Dionissios
Venue
Environmental Science and Pollution Research
Published
2017-10-06
Volume
25
Issue
35
Pages
34801-34810
ISSN
  • 0944-1344 (ISSN-L)
  • 1614-7499
OpenAlex
W2762018682
Cited by
45
References
29
Citations by year
2026: 1 · 2025: 1 · 2024: 7 · 2023: 6 · 2022: 2 · 2020: 13 · 2019: 10 · 2018: 5
FWCI
4.09
Type
journal article
Language
en
Open access
Locations
  • Environmental Science and Pollution Research (publishedVersion)
  • PubMed (publishedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (publishedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
Funders
  • State Scholarships Foundation
  • Programa Operacional Competitividade e Internacionalização (POCI-01-0145-FEDER-006984)
  • Fundação para a Ciência e a Tecnologia (SFRH/BD/94177/2013)
  • FCT Investigator 2013 Programme (IF/01501/2013)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
  • Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
Keywords
propylparaben, activated persulfate, advanced oxidation processes, emerging contaminants, water matrix effects, solar irradiation, UVA irradiation, degradation kinetics, humic acid, chloride, bicarbonate, wastewater, river water, bottled water
MeSH terms
Carbon, Gels, Humic Substances, Iron, Kinetics, Oxidation-Reduction, Parabens, Sulfates, Sunlight, Water Pollutants, Chemical, Water Purification, Drinking Water, Wastewater

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