CATALYTIC OXIDATION OF DICHLOROMETHANE AND TETRACHLORETHYLENE OVER NOBLE METAL CATALYSTS
Keywords:catalytic oxidation, chlorinated volatile organic compound, dichloromethane, Tetrachloroethylene
Among the chemicals emitted to the atmosphere, volatile organic compounds (VOCs) are classified worldwide as hazardous air pollutants. Most of the VOCs are organochlorine compounds, widely used in industryas the components of detergents and degreasers, chemical extractants, additives for paints, inks and adhesives, raw materials for drug synthesis, pesticides and polymers, solvents for chemicalsand paint strippers. These compounds are released into the atmosphere and pose a significant health hazard due to their pronounced toxicity, high stability and persistence in the environment. In this study, a total of 6 different metal monoliths containing γ-Al2O3 were studied in the oxidation of dichloromethane (DCM) and tetrachlorethylene (perchlorethylene-PCE). Pt, Pd, separately, were used as the active substances. Before the research experiments of the catalysts have been started, the water supply was optimized. Among the studied catalysts, Pt/Al2O3 was the most active in the oxidation of DCM.
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