Remediation of Kraft E1 and black liquor effluents by biological and chemical processes |
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Authors: | S G Moraes N Durán R S Freire |
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Institution: | (1) Instituto de Química, UNICAMP, Campinas, SP, Brazil;(2) Departamento de Química Fundamental, Instituto de Química, USP, CP 26077, CEP 05513-970 São Paulo, SP, Brazil |
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Abstract: | We sutdied the application of the bacteria Azotobacter vinellandi on the treatment of effluents from pulp and paper industry. Two types of treatment employing this microorganism were studied: biological treatment isolated and combined with stages of pre- or post-treatment using ozonation or photocatalysis processes. In the biological treatment, the siderophores production by A. vinellandi had a major effect on the efficiency of effluents degradation. Among the different combined treatments, the best results were obtained with the photocatalytic pre-treatment. |
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Keywords: | Siderophores Wastewater treatment Advanced oxidation processes Biodegradation |
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