Continuous Catalytic Wet Hydrogen Peroxide Oxidation (CWHPO) for the treatment of a petrochemical industry wastewater has been studied on a pilot plant scale process. The installation, based on a catalytic fixed bed reactor (FBR) coupled with a stirred tank reactor (STR), shows an interesting alternative for the intensification of a continuous CWHPO treatment. Agglomerated SBA-15 silica-supported iron oxide (Fe2O3/SBA-15) was used as Fenton-like catalyst. Several variables such as the temperature and hydrogen peroxide concentration, as well as the capacity of the pilot plant for the treatment of inlet polluted streams with different dilution degrees were studied. Remarkable results in terms of TOC reduction and increased biodegradability were achieved using 160°C and moderate hydrogen peroxide initial concentration. Additionally, a good stability of the catalyst was evidenced for 8 hours of treatment with low iron leaching (less than 1 mg/L) under the best operating conditions.
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Research Article|
April 01 2010
Catalytic wet hydrogen peroxide oxidation of a petrochemical wastewater
M. I. Pariente;
1Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, 28933, Móstoles Madrid, Spain
E-mail: [email protected]
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J. A. Melero;
J. A. Melero
1Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, 28933, Móstoles Madrid, Spain
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F. Martínez;
F. Martínez
1Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, 28933, Móstoles Madrid, Spain
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J. A. Botas;
J. A. Botas
1Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, 28933, Móstoles Madrid, Spain
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A. I. Gallego
A. I. Gallego
1Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, 28933, Móstoles Madrid, Spain
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Water Sci Technol (2010) 61 (7): 1829–1836.
Citation
M. I. Pariente, J. A. Melero, F. Martínez, J. A. Botas, A. I. Gallego; Catalytic wet hydrogen peroxide oxidation of a petrochemical wastewater. Water Sci Technol 1 April 2010; 61 (7): 1829–1836. doi: https://doi.org/10.2166/wst.2010.875
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