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Photo-fenton remediation of wastewaters containing agrochemicals BABT
Teixeira,Antonio Carlos Silva Costa; Mendes,Lucas; Stollar,Giselle; Guardani,Roberto; Nascimento,Cláudio Augusto Oller do.
The photochemical degradation of agrochemicals in aqueous solution by means of advanced oxidation processes (AOPs) was studied. The photo-Fenton process was evaluated in terms of the time evolution of dissolved organic carbon (COD) and chemical oxygen demand (DOC), their total removals, and increase in biodegradability of treated wastewater. Under the experimental conditions studied, the process showed to be superior to other AOPs, at any Fe(II) and H2O2 concentrations. The results pointed towards the use of solar irradiation and low cost commercial application.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Advanced Oxidation Processes; Photo-Fenton; Agrochemicals; Wastewater.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000400026
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Remediation of polluted soils contaminated with Linear Alkyl Benzenes using Fenton's reagent BABT
Silva,Douglas do Nascimento; Zagatto,Paulo José Piacentini; Guardani,Roberto; Nascimento,Cláudio Augusto Oller.
Linear Alkyl Benzenes (LABs) are used as insulating oil for electric cables. When it happens a spill, LABs they are basically sorbed in the soil, because, these compounds have high hidrophobicity and low vapor pressure. The conventional methods of treatment of soils are not efficient. The Fenton's reaction (reaction between a solution of iron II and hydrogen peroxide) it generates hydroxyl radicals, not selective, and capable of oxidize a great variety of organic compounds. A study was conducted to evaluate the viability of use of the Fenton's reagents to promote the remediation of polluted soils with Linear Alkyl Benzenes. A column was especially projected for these experiments, packed with a sandy and other soil loamy. The pH of the soil was not altered....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil Remediation; Fenton's Reagent; Linear Alkyl Benzene.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000400032
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