Catalytic degradation of organic pollutants in Fe(III)/peroxymonosulfate (PMS) system: performance, influencing factors, and pathway.
Advanced oxidation process (AOP)
BPA degradation
Fe(III)/PMS system
Influencing factors
Reaction pathway
Journal
Environmental science and pollution research international
ISSN: 1614-7499
Titre abrégé: Environ Sci Pollut Res Int
Pays: Germany
ID NLM: 9441769
Informations de publication
Date de publication:
Dec 2019
Dec 2019
Historique:
received:
19
06
2019
accepted:
30
09
2019
pubmed:
16
11
2019
medline:
29
2
2020
entrez:
16
11
2019
Statut:
ppublish
Résumé
This study demonstrated, for the first time, Fe(III)/peroximonosulphate (PMS) could be an efficient advanced oxidation process (AOP) for wastewater treatment. Bisphenol A (BPA) was chosen as a model pollutant in the present study. Fe(III)-activated PMS system proved very effective to eliminate 92.18% of BPA (20 mg/L) for 30-min reaction time at 0.50 mM PMS, 1.5 g/L Fe(III), pH 7.0. The maximum degradation of BPA occurred at neutral pH, while it was suppressed at both strongly acidic and alkaline conditions. Organic and inorganic ions can interfere with system efficiency either positively or negatively, so their interaction was thoroughly investigated. Furthermore, the presence of organic acids also affected BPA degradation rate, especially the addition of 10 mM citric acid decreased the degradation rate from 92.18 to 66.08%. Radical scavenging experiments showed that SO
Identifiants
pubmed: 31728944
doi: 10.1007/s11356-019-06657-y
pii: 10.1007/s11356-019-06657-y
doi:
Substances chimiques
Benzhydryl Compounds
0
Ferric Compounds
0
Peroxides
0
Phenols
0
Waste Water
0
Water Pollutants, Chemical
0
peroxymonosulfate
22047-43-4
bisphenol A
MLT3645I99
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
36410-36422Subventions
Organisme : National Natural Science Foundation of China
ID : 41471405
Organisme : Natural Science Foundation of Anhui Province
ID : 1808085QD104, 1908085MD111
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