期刊
CATALYSTS
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/catal11040433
关键词
CO2 hydrogenation; methanation; Ni-catalyst; SMR catalysts; vanadium oxide catalysts
资金
- Foundation for Polish Science [POWROTY/2016-1/5]
- Polish National Agency for Academic Exchange trough Bekker grants [PPN/BEK/2019/1/00348, PPN/BEK/2019/1/00345]
- French Government project
- European Union [711859]
- Polish Ministry of Science and Higher Education
The Waste2Fuel project focuses on developing innovative, high-performance, and cost-effective fuel production methods to target the closed carbon cycle. Research showed that the precisely designed catalysts improved conversion rates and selectivity, demonstrating higher durability and outperforming the best-known catalysts.
Within the Waste2Fuel project, innovative, high-performance, and cost-effective fuel production methods are developed to target the closed carbon cycle. The catalysts supported on different metal oxides were characterized by XRD, XPS, Raman, UV-Vis, temperature-programmed techniques; then, they were tested in CO2 hydrogenation at 1 bar. Moreover, the V2O5 promotion was studied for Ni/Al2O3 catalyst. The precisely designed hydrotalcite-derived catalyst and vanadia-promoted Ni-catalysts deliver exceptional conversions for the studied processes, presenting high durability and selectivity, outperforming the best-known catalysts. The equilibrium conversion was reached at temperatures around 623 K, with the primary product of reaction CH4 (>97% CH4 yield). Although the Ni loading in hydrotalcite-derived NiWP is lower by more than 40%, compared to reference NiR catalyst and available commercial samples, the activity increases for this sample, reaching almost equilibrium values (GHSV = 1.2 x 10(4) h(-1), 1 atm, and 293 K).
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