Abstract
AbstractThe production of bioethylene and biopropylene is a promising method for reducing the environmental impact of the plastic industry. Although their production from bioethanol is currently the most studied method, in this study, favorable alternative biofeedstocks were used: rapeseed oil and waste rendering fat. This study focuses on complex feedstock‐to‐product processes that are usable in established industrial units. The first step is catalytic hydrodeoxygenation and hydrocracking. The hydrodeoxygenation conditions were fine‐tuned to induce hydrocracking, and three catalysts, namely, NiW/SiO2‐Al2O3, NiW/phonolite, and WV/TiO2, were tested. The final step was microscale pyrolysis, which was applied to evaluate the product yields. The best yields for both feedstocks were obtained with the NiW/SiO2‐Al2O3 catalyst at 425 °C.
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