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Full-Text Articles in Engineering
Natural Gas Conversion Into Value Added Chemicals Using Solid Acid Catalysts, Swarom Ravindra Kanitkar
Natural Gas Conversion Into Value Added Chemicals Using Solid Acid Catalysts, Swarom Ravindra Kanitkar
LSU Doctoral Dissertations
Direct, non-oxidative conversion of natural gas to value-added chemicals has been identified as one of the grand challenges of the 21st century. Circumventing indirect and costly reforming steps is highly sought after and solid acids can play an important role in that.
The direct conversion of methane to higher hydrocarbons and hydrogen can be catalyzed using “superacids” at < 450 °C. Reported superacid catalysts in solid, liquid, and gas phase included sulfated zirconia (SZ), HF-SbF5, FSO3H-SbF5, and HBr-AlBr3. Liquid and gas phase superacids presented difficulties in separation while the solid ones provided low yields. Here, we report a new class of Br-based solid superacids, AlBrx/H-ZSM-5 (“ABZ-5”, …
Theoretical Investigation Of The Ring Opening Of Cyclohexane On Ir(111) And Pt(111), Kushal Ghale
Theoretical Investigation Of The Ring Opening Of Cyclohexane On Ir(111) And Pt(111), Kushal Ghale
LSU Master's Theses
Diesel engines have higher fuel efficiency and can burn cleaner than gasoline engines. To enhance quality of diesel fuels as measured by the cetane number (CN), the removal of aromatic compounds is necessary. A potentially highly efficient approach would be to convert aromatics to saturated cycloparaffin, followed by selective ring opening to linear or branched alkanes, to increase the CN. Here the focus of the project is to study the mechanism of metal-catalyzed ring opening (RO) of cyclohexane (denoted CHA, or c-C6H12) through theoretical and computational modeling. CHA, a simplest cycloparaffin, is used as probe molecule …