期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 161, 期 2-3, 页码 1569-1573出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2008.05.012
关键词
Delignification effluent; Fungus treatment; Combined processes
资金
- CAPES/PICDT
- FAPESP
- SCTDE/SP
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. (C) 2008 Elsevier B.V. All rights reserved.
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