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Clariant - Total Oxidation of Halogenated Hydrocarbons
Clariant has developed highly-active precious metal catalysts that tolerate halogenated hydrocarbons, such as trichloroethylene, perchloro-ethylene, methylchloride, vinylchloride, etc., and also to oxidize these constituents to end products: H2O, CO2 and HCl. Typical applications for these catalysts are exhaust gas treatment in soil remediation and in various chemical/pharmaceutical production processes. Additionally, the EnviCat® HHC series destroys nonchlorinated aromatic and aliphatic compounds.
The acid selectivity of EnviCat HHC catalysts prevents the formation of elemental halide gases. Using available moisture in the emissions, the catalyst strips the halides from the organic compound to form an acid gas; the carbon components oxidize to carbon dioxide and water. Traditional alkaline wet scrubbing processes then neutralize the acid gas.
In the process of controlling air pollution that contains chlorinated hydrocarbons, dioxins sometimes form. Clariant‘s EnviCat HHC series destroys dioxins, eliminating this concern during the process.