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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 (TiO 2/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), p.1569-1573
Main Authors: Barreto-Rodrigues, Marcio, Souza, João V.B., Silva, Érica S., Silva, Flávio T., Paiva, Teresa C.B.
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cited_by cdi_FETCH-LOGICAL-c465t-70a9c089754c89425423f96d50f2bbd33da959f365a3f50df4bc8e7a65b847e83
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container_title Journal of hazardous materials
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creator Barreto-Rodrigues, Marcio
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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 (TiO 2/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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subjects Applied sciences
Biodegradation, Environmental
Bioreactors
Carbon - chemistry
Catalysis
Catalytic reactions
Chemical engineering
Chemistry
Collodion - chemistry
Combined processes
Delignification effluent
Exact sciences and technology
Fungi - physiology
Fungus treatment
General and physical chemistry
General purification processes
Industrial Waste
Industry - methods
Phenol - chemistry
Phenols
Photochemistry - methods
Pollution
Reactors
Spectrophotometry, Ultraviolet - methods
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Waste Disposal, Fluid - methods
Wastewaters
Water Pollutants, Chemical
Water Purification - methods
Water treatment and pollution
title Combined photocatalytic and fungal processes for the treatment of nitrocellulose industry wastewater
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