| Full text | |
| Author(s): |
Total Authors: 3
|
| Affiliation: | [1] Universidade Estadual Paulista Júlio de Mesquita Filho. Instituto de Química de Araraquara - Brasil
[2] Universidade Estadual Paulista Júlio de Mesquita Filho. Instituto de Química de Araraquara - Brasil
[3] Univ Estadual Paulista Julio de Mesquita Filho UN, Inst Quim Araraquara, BR-14800900 Araraquara, SP - Brazil
Total Affiliations: 3
|
| Document type: | Journal article |
| Source: | Journal of the Brazilian Chemical Society; v. 25, n. 7, p. 1153-1160, 2014-07-00. |
| Abstract | |
The present work describes a suitable method for removing nitrite contaminant from water by using a photoelectrocatalytical method. A Ti/TiO2 nanotube electrode was used as a cathode under UV irradiation and applied potential of -0.2 V vs. Ag/AgCl and it led to 100% of nitrite removal after 6 min of photoelectrolysis conducted in NaCl 7 mmol L-1, pH 7 and in absence of dissolved oxygen. Nitrite reduction on Ti/TiO2 photoelectrodes occurs in the cathodic compartment cell via electrons generated when the electrode is under UV irradiation leading to a generation of 7% of remaining ammonium and 93% nitrogen containing gaseous species after 6 min of treatment. The results indicate that the method could be an efficient tool for the treatment of nitrite in water containing nitrite. (AU) | |
| FAPESP's process: | 08/10449-7 - Assessment of occurrence, toxicity/genotoxicity and degradation processes of dyes in effluents and surface water |
| Grantee: | Maria Valnice Boldrin |
| Support Opportunities: | Research Projects - Thematic Grants |