Abstract
AbstractA catalytic treatment for organic solvent vapor using the heat of a baking oven was investigated. A Pt/Al2O3 catalyst showed high activity for toluene. A Co3O4‐CeO2 catalyst preferentially oxidized ethyl acetate and butyl acetate, but by‐products were generated. These organic solvents produce high emissions from painting and printing ink in Japan. However, treating all three solvents simultaneously at low temperatures is difficult. In the present study, when a Pt/Co3O4‐CeO2 catalyst was employed at oven temperatures of 230–250 °C, a gas containing toluene, ethyl acetate, and butyl acetate was able to be effectively treated with no carbon deposition. The application of the Pt/Co3O4‐CeO2 catalyst enabled treatment in the oven using the oven's own heat.
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