Process development for production of biofuels from paper sludge via fermentation and chemo-catalytic conversions
de Vrije, T.
van den Burg, B.
van Seijst, D.
van Medevoort, J.
Pazhavelikkakath Purushothaman, R.K.
van Haveren, J.
van Haute, M.
The aim of the project “More Fuels from Organic Residues” (MOTOR) is to produce advanced biofuels for the transport sectors where electrification or gaseous biofuels will not generate the reduction of their carbon footprint in the short term. In MOTOR, wet lignocellulosic waste streams that do not compete with the food/feed market are used as a feedstock for a smart fermentation process. In the present study, the utilization of paper sludge as substrate for fermentation for production of fuel precursors and subsequent catalytic conversion to fuels at laboratory scale is described. The steps of the process were assessed experimentally, and based on the data generated, a conceptual process is being developed to explore the economic and sustainability aspects of the new value chain for biofuel.. Results show that solubilization of sugars from paper sludge using existing enzyme cocktails is very limited and needs improvement. On the other hand, the catalytic production of fuel from the fermentation products shows promising results in terms of type of products.
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Conceptual process design
30th European Biomass Conference and Exhibition, 9-12 May 2022, Online