Water remediation by UV–vis/H2O2process, photo-Fenton-like oxidation, and zeolite ZSM5

Autor:	Fabiola Méndez-Arriaga, Rafael Almanza
Rok vydání:	2013
Předmět:	Groundwater remediation Inorganic chemistry Oxide Iron oxide Ocean Engineering Hematite Pollution chemistry.chemical_compound Adsorption Ultraviolet visible spectroscopy chemistry visual_art visual_art.visual_art_medium Zeolite Water Science and Technology Nuclear chemistry Magnetite
Zdroj:	Desalination and Water Treatment. 52:5822-5832
ISSN:	1944-3986 1944-3994
DOI:	10.1080/19443994.2013.822172
Popis:	The present work shows the application of the UV–vis/H2O2 process, Fenton-and photo Fenton-like reactions in presence of zeolite material ZSM5 in the degradation of a pharmaceutical pollutant recently found in environmental aquatic systems, the anti-inflammatory drug naproxen (NPX). Three commercial iron oxide powders (hydrated hematite, hematite, and magnetite) for Fenton-like reaction were tested against 10 mg L−1 of NPX. An UV–vis simulator source was employed in order to contrast the performance of the photo Fenton-like reaction during 120 min of irradiated conditions in a no-buffered almost neutral pH 6.5 ± 0.5. ZSM5 zeolite was tested as adsorbed material in mechanical mixtures with or without iron oxide powders in order to improve the physical removal along with the oxidative stress. Effects of non-photocatalytic control test (such as UV–vis photolysis, H2O2 oxidation, and oxide iron complex formation) were previously evaluated. Negligible effect was evidenced for Fenton-like reaction and a...
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::8ee6d41f52b44a0a8f77ed1e77bb8f5b https://doi.org/10.1080/19443994.2013.822172 Zobrazit plný text záznamu