US 12,435,012 B2
Synthesis gas to hydrocarbon processes with neutral or negative carbon dioxide selectivity
Glenn Pollefeyt, Hoek (NL); Davy L. S. Nieskens, Hoek (NL); Alexey Kirilin, Hoek (NL); Adam Chojecki, Hoek (NL); Joseph F. Dewilde, Midland, MI (US); Barry B. Fish, Freeport, TX (US); and Andrzej Malek, Midland, MI (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/788,144
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Dec. 2, 2020, PCT No. PCT/US2020/062832
§ 371(c)(1), (2) Date Jun. 22, 2022,
PCT Pub. No. WO2021/133523, PCT Pub. Date Jul. 1, 2021.
Claims priority of provisional application 62/952,923, filed on Dec. 23, 2019.
Prior Publication US 2023/0052682 A1, Feb. 16, 2023
Int. Cl. C07C 1/04 (2006.01)
CPC C07C 1/043 (2013.01) [C07C 1/046 (2013.01); C07C 2521/06 (2013.01); C07C 2521/16 (2013.01); C07C 2523/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A process for preparing C2 to C4 hydrocarbons comprising:
introducing a feed stream comprising hydrogen gas and a carbon-containing gas comprising carbon monoxide into a reaction zone of a reactor;
introducing a second stream comprising carbon dioxide into the reaction zone of the reaction;
forming a combined stream from the feed and second stream;
converting the combined stream into a product stream comprising C2 to C4 hydrocarbons in the reaction zone in the presence of a hybrid catalyst, the hybrid catalyst comprising:
a mixed metal oxide catalyst component; and
a microporous catalyst component, wherein a gas hourly space velocity (GHSV) inside the reaction zone of at least 4200 hr−1, a net CO2 selectivity is less than 5.0%, and a C2 to C4 hydrocarbon productivity of at least 75 g hydrocarbon/kg catalyst per hour.