Process and apparatus for oxidizing cycloalkanes

Details Process and apparatus for oxidizing cycloalkanes Process and apparatus for oxidizing cycloalkanes

C - Chemistry, Metallurgy

07

C

260/582

C07C 35/02 (2006.01) C07C 45/33 (2006.01) C07C 49/385 (2006.01)

Patent

CA 1080255

Abstract A cycloalkane is oxidized in the liquid phase at elevated temperature and pressure to the corresponding cycloalkanone and/or cycloalkanol by means of a molecular oxygen-containing gas and in the presence of a dissolved metal serving as a catalyst but in the absence of a boric acid derivative. The unreacted cycloalkane is separated from the reaction mixture and recycled to the oxidation step. Prior to recycling unreacted cycloalkane, water is evaporated from cycloalkane to be oxidized as a azeotrope with the cycloalkane. It has been found that evaporation of the water from cyclolakane to be oxidized by this process reduces fouling of the oxidation reactor vessels, and reduces the occurence of oxygen breakthrough.

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