Tratamento de azocorantes por processo oxidativo avançado utilizando dióxido de titânio imobilizado em pérolas de quitosana
The textile sector, one of the major industrial centers of Brazil, is characterized by the large volume of effluent generated and it’s strong color. When azodyes are released in water, it alters the photosynthetic process or rivers and lakes due to the presence of recalcitrante compounds associated...
| Principais autores: | Willig, Débora Hautsch, Lopes, Ingrid Schultz |
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| Formato: | Trabalho de Conclusão de Curso (Graduação) |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2020
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/9609 |
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| Resumo: |
The textile sector, one of the major industrial centers of Brazil, is characterized by the large volume of effluent generated and it’s strong color. When azodyes are released in water, it alters the photosynthetic process or rivers and lakes due to the presence of recalcitrante compounds associated with acute and chronic toxity. Among the most commoly uses treatments for the color removal, the heterogeneous photocatalysis by combination of titanium dioxide (TiO2) and UV light outsands because is a promising advanced oxidation process in the mineralization or organic compounds found in water and sewer. Due to limitations of use in the semiconductor TiO2 suspensions, the present study evaluates the potential of heterogeneous photocatalysis using immobilized TiO2 on chitosan beads for the degradation of simulates wastewater, containing three azodyes. The results show a removal of color efficiency up to 24% which demands hydrogen peroxide (H2O2) presence, as an oxidizing agent for textile effluent total discoloration. |
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