Abstract

Titania nanofibers were fabricated via electrospinning for use as a catalyst support structure for the reduction of NO and CO gases. Palladium nanoparticles were incorporated into the titania electrospun fibers by adding PdCl2 salt particles to the electrospinning solution. The composition and properties of the fibers were characterized by SEM, XEDS, TEM, XRD, and BET. These fibers were fabricated into a disk-shaped nonwoven porous medium. Experiments were conducted to measure the outlet gas composition after the NO and CO gases passed through the porous medium as a function of reaction temperature. The test results showed significant conversion of NO and CO to N2 and CO2 due to the presence of Pd nanoparticles in the fibers. Higher catalyst loading resulted in higher conversion efficiency at lower temperatures.

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