Matches in SemOpenAlex for { <https://semopenalex.org/work/W4200524020> ?p ?o ?g. }
- W4200524020 endingPage "5353" @default.
- W4200524020 startingPage "5337" @default.
- W4200524020 abstract "CO 2 utilization through the activation of ethane, the second largest component of natural and shale gas, to produce syngas, has garnered significant attention in recent years. This work provides a comparative study of Ni catalysts supported on alumina, alumina modified with CaO and MgO, as well as alumina modified with La 2 O 3 for the reaction of dry ethane reforming. The calcined, reduced and spent catalysts were characterized employing XRD, N 2 physisorption, H 2 -TPR, CO 2 -TPD, TEM, XPS and TPO. The modification of the alumina support with alkaline earth oxides (MgO and CaO) and lanthanide oxides (La 2 O 3 ), as promoters, is found to improve the dispersion of Ni, enhance the catalyst's basicity and metal-support interaction, as well as influence the nature of carbon deposition . The Ni catalyst supported on modified alumina with La 2 O 3 exhibits a relatively stable syngas yield during 8 h of operation, while H 2 and CO yields decrease substantially for Ni/Al 2 O 3 . • Ni catalysts on Al 2 O 3 modified with MgO/CaO and La 2 O 3 for the DER reaction. • Modification of Al 2 O 3 improves the catalyst basicity and metal-support interaction. • Extensive ethane cracking into CH 4 takes place during the first 3–4 h. • Ni/La–Al 2 O 3 is the most active and stable with H 2 and CO yields remaining constant. • Modification of Al 2 O 3 aids the coke gasification and reduces catalyst degradation." @default.
- W4200524020 created "2021-12-31" @default.
- W4200524020 creator A5008059915 @default.
- W4200524020 creator A5029154750 @default.
- W4200524020 creator A5039193604 @default.
- W4200524020 creator A5058537576 @default.
- W4200524020 creator A5069990758 @default.
- W4200524020 creator A5083659493 @default.
- W4200524020 creator A5083979609 @default.
- W4200524020 creator A5090036825 @default.
- W4200524020 date "2022-01-01" @default.
- W4200524020 modified "2023-10-03" @default.
- W4200524020 title "A comparative study of Ni catalysts supported on Al2O3, MgO–CaO–Al2O3 and La2O3–Al2O3 for the dry reforming of ethane" @default.
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- W4200524020 doi "https://doi.org/10.1016/j.ijhydene.2021.11.194" @default.