Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Ethylene oxidation"”.
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Investigation of Ozone Initiated Ethylene Oxidation at Room Temperature: Chemistry and Flame Dynamics
… reaction. In this dissertation, the O3 initiated ethylene (C2H4) oxidation is experimentally investigated at room temperature using multiple diagnostic methods. To accommodate the rapid reaction between C2H4 and O3, a novel flow reactor system with online fast-mixing feature is designed, …
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Electrochemical Alkene Epoxidation Using Water as the Oxygen Source
Alkene epoxidation is a crucial chemical functionalization reaction that produces key chemical intermediates for the synthesis of various commercial end products. The current methods of producing epoxides are associated with a number of challenges, including the use of energy-intensive and …
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ΜΗ-ΦΑΡΑΝΤΑΙΚΗ ΗΛΕΚΤΡΟΧΗΜΙΚΗ ΤΡΟΠΟΠΟΙΗΣΗ ΤΗΣ ΕΝΕΡΓΟΤΗΤΑΣ ΚΑΤΑΛΥΤΩΝ ΟΞΕΙΔΩΣΗΣ ΤΟΥΑΙΘΥΛΕΝΙΟΥ
… AND SELECTIVITY OF METAL CATALYSTS USED FOR ETHYLENE OXIDATION CAN BE ALTERED DRAMATICALLY AND IN A REVERSIBLE MANNER. THIS IS ACCOMPLISHED BY ELECTROCHEMICALLY SUPPLYING OXYGEN ANIONS ONTO CATALYTIC SURFACES VIA POLARIZED SOLID ELECTROLYTE CELLS. OXYGEN ANIONS, FORCED ELECTROCHEMICALLY TO …
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CO and Hydrocarbon Oxidation on PD/Ceria-Zirconia/Alumina Three-Way Catalysts
… and undesirable species to CO2, H2O, and N2. The oxidation behavior of CO and model hydrocarbons (propylene, acetylene, and ethylene) and performance of model TWCs is investigated in this dissertation to systematically evaluate trends such as self- and mutual inhibition within reaction and …
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Gas-Phase Epoxidation of Ethylene and Propylene
… catalytic performance in the gas-phase direct oxidation of ethylene to ethylene oxide. For this study, which used no promoters, ethylene oxidation selectivity of SiC-supported catalysts ranged from 10 to 60% and conversion from 0-4.5%. Silicon carbide supported catalysts exhibited poor …
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Ανάπτυξη λεπτών υμενίων για χρήση στην ηλεκτροχημική ενίσχυση της κατάλυσης
Στην παρούσα διατριβή μελετήθηκε χρήση λεπτών καταλυτικών ηλεκτροδίων Pt/YSZ και Pt/TiO2/YSZ στην έκταση του φαινομένου της ηλεκτροχημικής ενίσχυσης, χρησιμοποιώντας την πρότυπη αντίδραση οξείδωσης αιθυλενίου, σε οξειδωτικές συνθήκες (μεταξύ 280oC και 375oC) σε αντιδραστήρα μονής πελέτας. Βρέθηκε …