Background: The solar photo-Fenton process has enormous potential for becoming a viable alternative to conventional processes for the treatment of industrial wastewater. However, the costs associated with the use of artificial irradiation have hindered many times industrial application of these processes. Method of Approach: In this work, the photo-Fenton remediation of various industrial wastewaters (containing silicones, pesticides, phenol and hydrocarbons, model, and real) in aqueous systems has been studied using Fe(II), , and UV-visible sunlight. Experiments were carried out using a concentrating parabolic trough reactor (PTR) and a nonconcentrating falling-film reactor. Results: In general, at low contaminant concentration, more than 90% of the total organic carbon content could be converted to inorganic carbon within about , using sunlight, in reactors of different geometry. Conclusions: Solar light can be used either as an effective complementary or alternative source of photons to the photo-Fenton degradation process of a diversity of chemical pollutants.
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e-mail: oller@usp.br
e-mail: acscteix@usp.br
e-mail: guardani@usp.br
e-mail: quina@usp.br
e-mail: osvaldo@eq.ufrn.br
e-mail: andre.braun@ciw.uni-karlsruhe.de
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February 2007
Research Papers
Industrial Wastewater Treatment by Photochemical Processes Based on Solar Energy
Claudio A. O. Nascimento,
e-mail: oller@usp.br
Claudio A. O. Nascimento
Universidade de São Paulo
, Departamento de Engenharia Química Av. Prof. Luciano Gualberto, travessa 3, 380, CEP 05508-900, São Paulo, SP, Brazil
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Antonio Carlos S. C. Teixeira,
e-mail: acscteix@usp.br
Antonio Carlos S. C. Teixeira
Universidade de São Paulo
, Departamento de Engenharia Química Av. Prof. Luciano Gualberto, travessa 3, 380, CEP 05508-900, São Paulo, SP, Brazil
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Roberto Guardani,
e-mail: guardani@usp.br
Roberto Guardani
Universidade de São Paulo
, Departamento de Engenharia Química Av. Prof. Luciano Gualberto, travessa 3, 380, CEP 05508-900, São Paulo, SP, Brazil
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Frank H. Quina,
e-mail: quina@usp.br
Frank H. Quina
Universidade de São Paulo
, Instituto de Química, Av. Prof. Lineu Prestes, 580—CEP 05508-900, São Paulo, SP, Brazil
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Osvaldo Chiavone-Filho,
Osvaldo Chiavone-Filho
Departamento de Engenharia Química,
e-mail: osvaldo@eq.ufrn.br
Universidade Federal do Rio Grande do Norte
, Campus Universitário, 59072-970 Natal, RN, Brazil
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André M. Braun
André M. Braun
Lehrstuhl für Umweltmesstechnik,
e-mail: andre.braun@ciw.uni-karlsruhe.de
Universität Karlsruhe
, D-76128 Karlsruhe, Germany
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Claudio A. O. Nascimento
Universidade de São Paulo
, Departamento de Engenharia Química Av. Prof. Luciano Gualberto, travessa 3, 380, CEP 05508-900, São Paulo, SP, Brazile-mail: oller@usp.br
Antonio Carlos S. C. Teixeira
Universidade de São Paulo
, Departamento de Engenharia Química Av. Prof. Luciano Gualberto, travessa 3, 380, CEP 05508-900, São Paulo, SP, Brazile-mail: acscteix@usp.br
Roberto Guardani
Universidade de São Paulo
, Departamento de Engenharia Química Av. Prof. Luciano Gualberto, travessa 3, 380, CEP 05508-900, São Paulo, SP, Brazile-mail: guardani@usp.br
Frank H. Quina
Universidade de São Paulo
, Instituto de Química, Av. Prof. Lineu Prestes, 580—CEP 05508-900, São Paulo, SP, Brazile-mail: quina@usp.br
Osvaldo Chiavone-Filho
Departamento de Engenharia Química,
Universidade Federal do Rio Grande do Norte
, Campus Universitário, 59072-970 Natal, RN, Brazile-mail: osvaldo@eq.ufrn.br
André M. Braun
Lehrstuhl für Umweltmesstechnik,
Universität Karlsruhe
, D-76128 Karlsruhe, Germanye-mail: andre.braun@ciw.uni-karlsruhe.de
J. Sol. Energy Eng. Feb 2007, 129(1): 45-52 (8 pages)
Published Online: December 19, 2005
Article history
Received:
July 5, 2005
Revised:
December 19, 2005
Citation
Nascimento, C. A. O., Teixeira, A. C. S. C., Guardani, R., Quina, F. H., Chiavone-Filho, O., and Braun, A. M. (December 19, 2005). "Industrial Wastewater Treatment by Photochemical Processes Based on Solar Energy." ASME. J. Sol. Energy Eng. February 2007; 129(1): 45–52. https://doi.org/10.1115/1.2391015
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