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The reactor was packed with silica-titania composites commingled with plastic pall rings. Using this mixed packing style was advantageous as it resulted in a higher UV penetration throughout the reactor.

Silica-titania composites (STC), a novel sorbent and photocatalytic technology developed at the University of Florida in Gainesville, Florida have been evaluated for removal of volatile organic compounds (VOCs) from aircraft cabin air.

In the case of high (95%) relative humidity, the titania-coated carbon and silica-titania composite performed similarly in the small annulus reactor achieving about 95% methanol removal while the titania-coated glass beads performed slightly worse, achieving between 80 and 90% removal. ...When the influent stream contained a low (12%) relative humidity, both the silica-titania composite and titania-coated carbon achieved a greater methanol adsorption capacity and higher methanol oxidation rate.

We present a set of experiments that will report the preparation of the photocatalytic component of our composite particle via sol-gel coatings with titanium n-butoxide with subsequent heat treatment at 500°C for three hours in Argon.