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Type: Artigo de periódico
Title: Degradation Of Formaldehyde By Advanced Oxidation Processes.
Author: Guimarães, José Roberto
Farah, Carolina Rittes Turato
Maniero, Milena Guedes
Fadini, Pedro Sérgio
Abstract: The degradation of formaldehyde in an aqueous solution (400 mg L(-1)) was studied using photolysis, peroxidation and advanced oxidation processes (UV/H(2)O(2), Fenton and photo-Fenton). Photolysis was the only process tested that did not reduce formaldehyde concentration; however, only advanced oxidation processes (AOPs) significantly decreased dissolved organic carbon (DOC). UV/H(2)O(2) and photo-Fenton AOPs were used to degrade formaldehyde at the highest concentrations (1200-12,000 mg L(-1)); the processes were able to reduce CH(2)O by 98% and DOC by 65%. Peroxidation with ultraviolet light (UV/H(2)O(2)) improved the efficiency of treatment of effluent from an anatomy laboratory. The effluent's CH(2)O content was reduced by 91%, DOC by 48%, COD by 46% and BOD by 53% in 420 min of testing.
Subject: Carbon
Rights: fechado
Identifier DOI: 10.1016/j.jenvman.2012.04.024
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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