Solar photocatalytic degradation of phenol was performed using films deposited inside glass tubing by a spray-gel technique. Photocatalytic phenol degradation experiments were performed using either solar radiation or a lamp simulating the UVA solar radiation component. In order to concentrate the radiation a reflective surface was placed in the rear part of the tube. The obtained films were amorphous, but after annealing at for , the films crystallized to the anatase structure and presented photocatalytic activity. The films’ morphology, observed by scanning electron microscopy, presented a uniform film and agglomerates of . The size of the agglomerates increases as Ti isopropoxide/ethanol molar ratio of the starting solution increases. The concentration of the precursor solution and the film thickness of was optimized for phenol degradation. The film obtained with a Ti-isopropoxide/ethanol molar ratio of 0.0259 and a film thickness between were shown to yield the highest phenol degradation.
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February 2007
Research Papers
Solar Photocatalytic Decontamination of Phenol Using Pyrolytic Films Deposited Inside Glass Tubing
José Diaz,
José Diaz
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima, Perú
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Juan Rodríguez,
Juan Rodríguez
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú and Instituto Peruano de Energía Nuclear
, Av. Canadá 1470, Lima, Perú
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Silvia Ponce,
Silvia Ponce
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú
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José Solís,
José Solís
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú and Instituto Peruano de Energía Nuclear
, Av. Canadá 1470, Lima, Perú
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Walter Estrada
Walter Estrada
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú and Instituto Peruano de Energía Nuclear
, Av. Canadá 1470, Lima, Perú
Search for other works by this author on:
José Diaz
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima, Perú
Juan Rodríguez
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú and Instituto Peruano de Energía Nuclear
, Av. Canadá 1470, Lima, Perú
Silvia Ponce
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú
José Solís
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú and Instituto Peruano de Energía Nuclear
, Av. Canadá 1470, Lima, Perú
Walter Estrada
Facultad de Ciencias,
Universidad Nacional de Ingeniería
, P.O. Box 31-139, Av., Tupac Amaru 210, Lima Perú and Instituto Peruano de Energía Nuclear
, Av. Canadá 1470, Lima, PerúJ. Sol. Energy Eng. Feb 2007, 129(1): 94-99 (6 pages)
Published Online: June 22, 2006
Article history
Received:
July 15, 2005
Revised:
June 22, 2006
Citation
Diaz, J., Rodríguez, J., Ponce, S., Solís, J., and Estrada, W. (June 22, 2006). "Solar Photocatalytic Decontamination of Phenol Using Pyrolytic Films Deposited Inside Glass Tubing." ASME. J. Sol. Energy Eng. February 2007; 129(1): 94–99. https://doi.org/10.1115/1.2391265
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