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The catalytic properties of plasma-chemically and thermally treated Bi4V2-2xCu2xO11-delta with x = 0.00-0.16 (BICUVOX) in the transformation of isobutanol are studied. Plasma treatments lead to the total deactivation of the active sites of dehydration reaction, and the alcohol is converted with 100% selectivity into aldehyde. Activity of the dehydrogenation of alcohol after PCT increases in similar to 1.7 times on samples with x(Cu) = 0.04-0.06 (alpha.beta phases) compared to the initial samples. Similar values which were found for the samples with x(Cu)= 0.0-0.06, including the double vanadate, suggests that PCT affects the ceramic matrix with Bi, O and V elements. Addition of small amounts of copper does not change this effect.

ACTIVITY OF BI4V2-2XCU2XO11–Δ IN THE TRANSFORMATION OF ISOBUTANOL AFTER PLASMA-CHEMICAL TREATMENT