| Autor: |
Izabela S. Pieta, Alicja Michalik, Elka Kraleva, Dusan Mrdenovic, Alicja Sek, Ewa Wahaczyk, Agnieszka Lewalska-Graczyk, Mikolaj Krysa, Anna Sroka-Bartnicka, Piotr Pieta, Robert Nowakowski, Agata Lew, Ewa M. Serwicka |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
|
| Zdroj: |
Catalysts, Vol 11, Iss 6, p 660 (2021) |
| Druh dokumentu: |
article |
| ISSN: |
2073-4344 |
| DOI: |
10.3390/catal11060660 |
| Popis: |
Within the Waste2Fuel project, innovative, high-performance, and cost-effective fuel production methods from municipal solid wastes (MSWs) are sought for application as energy carriers or direct drop-in fuels/chemicals in the near-future low-carbon power generation systems and internal combustion engines. Among the studied energy vectors, C1-C2 alcohols and ethers are mainly addressed. This study presents a potential bio-derived ethanol oxidative coupling in the gas phase in multicomponent systems derived from hydrotalcite-containing precursors. The reaction of alcohol coupling to ethers has great importance due to their uses in different fields. The samples have been synthesized by the co-precipitation method via layered double hydroxide (LDH) material synthesis, with a controlled pH, where the M(II)/M(III) ≈ 0.35. The chemical composition and topology of the sample surface play essential roles in catalyst activity and product distribution. The multiple redox couples Ni2+/Ni3+, Cr2+/Cr3+, Mn2+/Mn3+, and the oxygen-vacant sites were considered as the main active sites. The introduction of Cr (Cr3+/Cr4+) and Mn (Mn3+/Mn4+) into the crystal lattice could enhance the number of oxygen vacancies and affect the acid/base properties of derived mixed oxides, which are considered as crucial parameters for process selectivity towards bio-DEE and bio-butanol, preventing long CH chain formation and coke deposition at the same time. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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