Effect of TiO2 Photocatalyst on Odorous Gases Using Glass Fiber Filter for Repeatable Use

概要

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A glass fiber filter coated with TiO2 was adopted as a photocatalyst to remove methyl mercaptan and ammonia gases under black light irradiation. A single filter alone had a high capacity to remove about 30% of both gases within 3–4 h. Sulfate ion (SO42-) from the methyl mercaptan, nitrogen oxide (NOx) and nitrate ion (NO3-) from ammonia were generated due to the photocatalyst reaction. However, the majority of ammonia gas trapped on the filter was stuck to the surface without any reactions. Rinsing with distilled water was a very effective procedure for cleaning the filter.
Japan Society of Applied Physicsの論文
2006-03-25