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Oxide nanomaterials with photocatalytic properties applied in advanced degradation of xenobiotic compounds from water
Date issued
2016
Author(s)
Nitoi, Ines
Abstract
The concept of the project is to synthesis and use sol-gel doped-TiO2 Nano powders photo catalysts as friendly materials for the environment in the advanced degradation of xenobiotic compounds like nitro aromatics from wastewater resulted from industrial activities. Project results were concretized by the followings:
-Systematic study of the sol-gel heavy metal doped TiO2 Nano powders photo catalysts with potential application in the advances degradation of xenobiotics like nitro aromatics;
-Development of a soft chemistry sol-gel method in order to obtain heavy metal (Fe, Co, Ni) doped-TiO2 Nano powders followed by their
morphological and structural characterization;
-Correlation study between the synthesis method/structure/ properties/functionality of photo catalysts and the kinetic parameters of
nitro aromatics advanced degradation;
-Evaluation of the photocatalytic capacity of the obtained Nano powders in report to aromatic nitro compounds degradation and catalyst selection;
-Setting up treatment technology of wastewater with 2, 4, 6-trinitrotoluene content (tens mg/l), and establishing of optimal operating parameter able to assure advanced pollutant removal (99.98%). Proposed technology, tested on solar photocatalytic pilot installation, consists of: heterogeneous photo catalysis (pH = 7, Fe -TiO2 dose = hundreds mg/l, reaction time / mg pollutant removed tens min), photo catalyst separation and recirculation.
-Systematic study of the sol-gel heavy metal doped TiO2 Nano powders photo catalysts with potential application in the advances degradation of xenobiotics like nitro aromatics;
-Development of a soft chemistry sol-gel method in order to obtain heavy metal (Fe, Co, Ni) doped-TiO2 Nano powders followed by their
morphological and structural characterization;
-Correlation study between the synthesis method/structure/ properties/functionality of photo catalysts and the kinetic parameters of
nitro aromatics advanced degradation;
-Evaluation of the photocatalytic capacity of the obtained Nano powders in report to aromatic nitro compounds degradation and catalyst selection;
-Setting up treatment technology of wastewater with 2, 4, 6-trinitrotoluene content (tens mg/l), and establishing of optimal operating parameter able to assure advanced pollutant removal (99.98%). Proposed technology, tested on solar photocatalytic pilot installation, consists of: heterogeneous photo catalysis (pH = 7, Fe -TiO2 dose = hundreds mg/l, reaction time / mg pollutant removed tens min), photo catalyst separation and recirculation.
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