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Aspen lignin extracted by an organosolv process was pyrolyzed in the presence of catalysts and analyzed using Py-GC/MS. The pyrolysis products detected are mostly aromatic hydrocarbons and phenolic compounds. The lignin and catalysts were either mixed or arranged in layers. Two different micro-porous zeolite catalysts, HZSM-5 and HY, were compared in the study. The effects of the catalysts on the...
A study is undertaken to assess the effectiveness of lignin extracted from prairie cordgrass as a pyrolysis feedstock. The effects of variability of lignin source on fast and slow pyrolysis products are also investigated. To accomplish these goals, Py-GC/MS and TGA/FTIR are employed in the pyrolysis of three types of lignin: prairie cordgrass (PCG) lignin extracted from prairie cordgrass, aspen lignin...
A computational simulation of the gasification of prairie cordgrass (PCG) and switchgrass is conducted to assess their suitability as gasifying fuels in the production of syngas. An Institute of Gas Technology (IGT) bubbling fluidized gasifier is modeled using a commercial code that previously has been documented to simulate this particular reactor exceptionally well. Despite the similarities in the...
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