Location: JHE 326H
Ethanol, methanol and the ethers derived from them, such as diethyl-ether (DEE), dimethyl-ether (DME) etc., have good burning characteristics and may be considered as attractive transportation fuel alternates. New processes for catalytic selective oxidation and dehydration of these alcohols may also open new pathways to produce olefins and other petrochemicals from nonpetroleum feedstock. Developments in CO2 capture and its chemical fixation processes to produce alcohols will help reduce CO2 emissions to the atmosphere and will also produce alternative fuels to petroleum. All these new processes involve challenging catalysis research. In this seminar, activities of new nanocomposite mesoporous solid acid and redox catalysts, which were synthesized following a hydrothermal route, in the alcohol conversion processes will be presented. Novel mesoporous catalysts synthesized by fixation of heteropolyacids into the mesoporous silicate matrix gave ethylene yield values over 90%, in ethanol dehydration reaction. Ni, Pd and V incorporated MCM-41 like mesoporous materials were also shown to be very active in steam reforming of ethanol for on-board hydrogen production and in selective oxidation of alcohols. A review of recent studies carried out in the Chemical Reaction Engineering laboratories of Middle East Technical University and Gazi University will be presented in this seminar.
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