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5th Edition of

Chemistry World Conference

June 02-04, 2025 | Rome, Italy

Chemistry 2024

Hydrogenation of CO2 on Fe-based catalysts: Preferred route to renewable liquid fuels

Speaker at Chemistry World Conference 2024 - Moti Herskowitz
Ben-Gurion University of the Negev, Israel
Title : Hydrogenation of CO2 on Fe-based catalysts: Preferred route to renewable liquid fuels

Abstract:

Catalytic hydrogenation of CO2 can be conducted either in one-pot (CO2 hydrogenation) or in two-stages (RWGS and CO hydrogenation). Its configuration consists of either three reactors in series with interim water removal (one-pot process) or CO2 separation and recycling (two-stage process) to reach high CO2 conversion. The two-stage process enables to reach optimal H2/CO and temperature in the hydrogenation reactor to yield higher productivity while minimizing production of aqueous phase, which offset the advantages of the one-pot process. The techno-economic study determined that there is no apparent advantage in operating the hydrogenation reaction in one stage at current green hydrogen prices. The decision between the two routes should be based on catalyst stability and selectivity towards desired products. Blending 10% of liquid product from both processes with fossil fuels at current prices increases the fuel production cost by 30% that can be offset by higher carbon pricing or equivalent incentives.

Biography:

Moti Herskowitz (https://en.wikipedia.org/wiki/Moti_Herskowitz) is professor of chemical engineering and researcher in the fields of advanced materials, heterogeneous catalysis, and reaction engineering and renewable fuels. He served, among other positions, as Vice-President for R&D at the Ben-Gurion University from 2003 to 2014. Moti established the Blechner Center for Industrial Catalysis and Process Development in 1995 and has led scientific programs and technology development work ever since (http://in.bgu.ac.il/en/indcat/Pages/default.aspx). Moti has published over 160 papers and 27 patents based on basic and applied research, related to advanced catalytic materials, processes and their application in the production of novel renewable fuels and chemicals.

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