Author/Authors :
Balomenou، نويسنده , , S.P. and Tsiplakides، نويسنده , , D. and Katsaounis، نويسنده , , A. and Brosda، نويسنده , , S. and Hammad، نويسنده , , A. and Fَti، نويسنده , , G. and Comninellis، نويسنده , , Ch. and Thiemann-Handler، نويسنده , , S. and Cramer، نويسنده , , B. and Vayenas، نويسنده , , C.G.، نويسنده ,
Abstract :
A novel dismantlable monolithic-type electrochemically promoted catalytic reactor and “smart” sensor-catalytic reactor unit has been constructed and tested for hydrocarbon oxidation and NO reduction by C2H4 in the presence of O2. In this novel reactor, thin (∼ 40 nm) porous catalyst films made of two different materials are sputter-deposited on opposing surfaces of thin (0.25 mm) parallel solid electrolyte plates supported in the grooves of a ceramic monolithic holder and serve as sensor or electropromoted catalyst elements. The catalyst dispersion was higher than 10%. A 22 flat plate reactor operated with apparent Faradaic efficiency up to 100, at near complete reactants conversion, at gas flow rates up to 30 l/min. The novel design has only two external electrical connections and thus significantly facilitates the practical utilization of electrochemical promotion of catalysis.
