Short communication: Combined photocatalytic and fungal processes for the treatment of nitrocellulose industry wastewater

The objective of this work was to characterize the delignification effluent originating from the delignification industry and evaluate the combination of the fungus and photocatalytic process (TiO2/UV system) for the treatment of this effluent. The delignification effluent has proven harmful to the...

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Published in:Journal of hazardous materials 2009-01, Vol.161 (2-3), p.1569-1573
Main Authors: Barreto-Rodrigues, Marcio, Souza, Joao V B, Silva, Erica S, Silva, Flavio T, Paiva, Teresa C B
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container_issue 2-3
container_start_page 1569
container_title Journal of hazardous materials
container_volume 161
creator Barreto-Rodrigues, Marcio
Souza, Joao V B
Silva, Erica S
Silva, Flavio T
Paiva, Teresa C B
description The objective of this work was to characterize the delignification effluent originating from the delignification industry and evaluate the combination of the fungus and photocatalytic process (TiO2/UV system) for the treatment of this effluent. The delignification effluent has proven harmful to the environment because it presents high color (3516 CU), total phenol (876 mg/L) and TOC (1599 mg/L) and is also highly toxic even in a low concentration. The results of photocatalysis were 11%, 25% and 13% higher for reductions in color, total phenol and TOC, respectively. The combined treatments presented benefits when compared to the non-combined treatments. Fungus and photocatalysis in combination proved to be the best treatment, reducing the color, total phenol, toxicity (inhibition of Escherichia coli growth) and TOC by 94.2%, 92.6%, 4.9% and 62%, respectively.
doi_str_mv 10.1016/j.jhazmat.2008.05.012
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title Short communication: Combined photocatalytic and fungal processes for the treatment of nitrocellulose industry wastewater
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