Dry Reforming of Ethane on Trimetallic Perovskites LaCoxFe1-xO3: Characterizations and Reactivity

Rodríguez, Gerardo; Bedel, L.; Roger, Anne-Cécile; Udron, L.; Carballo, Luis M.; Kiennemann, A.

doi:10.1021/bk-2003-0852.ch004

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“…In addition, ethane is the second largest component of shale gas with a concentration of 10 vol %, making it a relatively abundant source for syngas production . The most widely investigated catalysts for DER reaction to date include nickel, cobalt, iron, and platinum. , Chen and co-workers examined the efficacy of LaFe 0.9 Ni 0.1 O 3 perovskite catalyst for DER and compared it with Ni/La 2 O 3 and NiFe/La 2 O 3 .LaFe 0.9 Ni 0.1 O 3 perovskite catalyst showed the best activity and stability with conversions of 49.7% and 21.4% for CO 2 and C 2 H 6 , respectively. In another investigation, Yan et al evaluated the activity and stability of PtNi/CeO 2 bimetallic catalysts for DER reaction and showed that both activity and stability of the bimetallic catalysts were enhanced in comparison to their corresponding monometallic catalysts.…”

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confidence: 99%

Combined Capture and Utilization of CO₂ for Syngas Production over Dual-Function Materials

Al-Mamoori

Rownaghi

Rezaei

2018

ACS Sustainable Chem. Eng.

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The integration of CO2 capture and conversion has been recently demonstrated as a promising approach to address CO2 emissions while producing value-added chemicals and fuels. Herein, we report in situ capture and utilization of CO2 in syngas production from dry reforming of ethane (DRE) over dual-function materials (DFMs) consisting of Ni-impregnated CaO- and MgO-based double salts supported on γ-Al2O3. The N2 physisorption, XRD, CO2-TPD, NH3-TPD, H2-TPR, and XPS analyses were performed to characterize the obtained DFMs. The CO2 adsorption–desorption performance of γ-Al2O3-supported adsorbent-catalyst materials at 650 °C indicated that 100% of the adsorbed CO2 was desorbed from the DFMs surface for subsequent reaction with C2H6. At a reaction temperature of 650 °C and WHSV of 2250 mL g–1 h–1, the Ni20@(K–Ca)50/(γ-Al2O3)50 and Ni20@(Na–Ca)50/(γ-Al2O3)50 showed the best activity with 100% C2H6 conversion and 65% and 75% CO2 conversion, respectively. Analysis of the spent DFMs revealed a low degree of coke formation (∼9 wt %) which reduced the stability of DFMs by only 5%. The results reported in this investigation highlight the importance of combined capture–reaction system as a cost-effective technology for utilizing the emitted CO2 as a feedstock to make valuable chemicals, materials, and fuels.

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Section: Introductionmentioning

confidence: 99%

Combined Capture and Utilization of CO₂ for Syngas Production over Dual-Function Materials

Al-Mamoori

Rownaghi

Rezaei

2018

ACS Sustainable Chem. Eng.

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Dry Reforming of Ethane on Trimetallic Perovskites LaCo_xFe_1-xO₃: Characterizations and Reactivity

Cited by 1 publication

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Combined Capture and Utilization of CO₂ for Syngas Production over Dual-Function Materials

Combined Capture and Utilization of CO₂ for Syngas Production over Dual-Function Materials

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Dry Reforming of Ethane on Trimetallic Perovskites LaCoxFe1-xO3: Characterizations and Reactivity

Cited by 1 publication

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Combined Capture and Utilization of CO2 for Syngas Production over Dual-Function Materials

Combined Capture and Utilization of CO2 for Syngas Production over Dual-Function Materials

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Dry Reforming of Ethane on Trimetallic Perovskites LaCo_xFe_1-xO₃: Characterizations and Reactivity

Combined Capture and Utilization of CO₂ for Syngas Production over Dual-Function Materials

Combined Capture and Utilization of CO₂ for Syngas Production over Dual-Function Materials