In order to meet increasing energy demands for a growing population while reducing net CO2 emissions, new affordable technologies are needed. This talk will focus on several recently developed catalytic processes for the conversion of natural gas without emitting carbon dioxide. The approach taken is to produce solid carbon as a product to be used or stored in perpetuity. Experimental results using a number of different catalysts will be presented in conjunction with process implications and techno-economic analysis.
One process uses high temperature liquid catalysts for methane pyrolysis where carbon that is stoichiometrically produced floats to the surface and can be continually removed. Results from experiments using molten metals indicate that they are active, high methane conversion is achieved, and graphitic powder is produced through precipitation. Techno-economic analysis of hydrogen production using this method will be discussed. Another process catalyzes the partial combustion of natural gas to produce heat, water, and solid carbon. In this halogen-mediated process, the heat can be used for electrical power production and carbon black is produced. The application to processes producing syngas and conversion of syngas to C2 oxygenates will also be discussed.
Speaker: David Chester Upham, Stanford
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Stanford, CA 94305
Website: Click to Visit