Photocatalytic degradation of humic acid in aqueous media using MnFeN-tridoped TiO2 nanoparticles

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Abdollahi Narmin; DEHESTANIATHAR SAEED; SAFARI MAHDI; Safay Maryam; DARAEI HIUA

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Journal: Journal of Environmental Studies Year:2019 | Volume:44 | Issue:4 Page(s): 747-761

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Title

Photocatalytic degradation of humic acid in aqueous media using MnFeN-tridoped TiO2 nanoparticles

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Keywords

doped titanium dioxideQ1

humic acidQ1

hydroxyl radicalQ2

photocatalyst processQ1

Abstract

Extended abstract: Introduction: humic acid (HA) derived from decomposition of plants and animal’ s residual and it widely present in surface resources of water. They are found to be the main precursor of carcinogenic disinfection byproducts (DBPS) such as THM, HAA in in the water disinfection process with chlorine. Nowadays, several techniques have been applied for removal of HA but they have their own limitation. Recently Photocatalytic oxidation based on semiconductors has been widely studied. Photocatalytic processes are types of AOPs processes that start with the radiation of photons (equal to or greater than energy bands) on the surface of the semiconductor catalyst and generation of electron/hole (e-/h+) in the valence and conduction band respectively. The photons generated holes (h+) and electrons (e-) produced hydroxyl (OH° ) and super oxide (O2° ) by oxidation and reduction of adsorbed H2O molecules and dissolved oxygen. Therefore, OH° and O2° radical efficiency can removed HA at catalyst surface. ...

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APA: Copy

Abdollahi, Narmin, DEHESTANIATHAR, SAEED, SAFARI, MAHDI, Safay, Maryam, & DARAEI, HIUA. (2019). Photocatalytic degradation of humic acid in aqueous media using MnFeN-tridoped TiO2 nanoparticles. JOURNAL OF ENVIRONMENTAL STUDIES, 44(4 ), 747-761. SID. https://sid.ir/paper/2911/en

Vancouver: Copy

Abdollahi Narmin, DEHESTANIATHAR SAEED, SAFARI MAHDI, Safay Maryam, DARAEI HIUA. Photocatalytic degradation of humic acid in aqueous media using MnFeN-tridoped TiO2 nanoparticles. JOURNAL OF ENVIRONMENTAL STUDIES[Internet]. 2019;44(4 ):747-761. Available from: https://sid.ir/paper/2911/en

IEEE: Copy

Narmin Abdollahi, SAEED DEHESTANIATHAR, MAHDI SAFARI, Maryam Safay, and HIUA DARAEI, “Photocatalytic degradation of humic acid in aqueous media using MnFeN-tridoped TiO2 nanoparticles,” JOURNAL OF ENVIRONMENTAL STUDIES, vol. 44, no. 4 , pp. 747–761, 2019, [Online]. Available: https://sid.ir/paper/2911/en

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