New insights into reaction mechanisms of ethanol steam reforming on Co–ZrO2

Sun, Junming; Karim, Ayman M.; Mei, Donghai; Engelhard, Mark; Bao, Xinhe; Wang, Yong

doi:10.1016/j.apcatb.2014.06.043

Title: New insights into reaction mechanisms of ethanol steam reforming on Co–ZrO2

Full Record
Other Related Research

Authors:: Sun, Junming; Karim, Ayman M.; Mei, Donghai; Engelhard, Mark; Bao, Xinhe; Wang, Yong

Publication Date:: Thu Jan 01 00:00:00 EST 2015

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Biological and Environmental Research (BER)

OSTI Identifier:: 1249839

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Applied Catalysis B: Environmental

Additional Journal Information:: Journal Name: Applied Catalysis B: Environmental Journal Volume: 162 Journal Issue: C; Journal ID: ISSN 0926-3373

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Citation Formats


                    Sun, Junming, Karim, Ayman M., Mei, Donghai, Engelhard, Mark, Bao, Xinhe, and Wang, Yong. New insights into reaction mechanisms of ethanol steam reforming on Co–ZrO2.  Netherlands: N. p., 2015. 
Web.  doi:10.1016/j.apcatb.2014.06.043.

Copy to clipboard


                    Sun, Junming, Karim, Ayman M., Mei, Donghai, Engelhard, Mark, Bao, Xinhe, & Wang, Yong. New insights into reaction mechanisms of ethanol steam reforming on Co–ZrO2.  Netherlands.  https://doi.org/10.1016/j.apcatb.2014.06.043

Copy to clipboard


                    Sun, Junming, Karim, Ayman M., Mei, Donghai, Engelhard, Mark, Bao, Xinhe, and Wang, Yong. Thu .  
"New insights into reaction mechanisms of ethanol steam reforming on Co–ZrO2".  Netherlands.  https://doi.org/10.1016/j.apcatb.2014.06.043.

Copy to clipboard


                    
@article{osti_1249839,

  title        = {New insights into reaction mechanisms of ethanol steam reforming on Co–ZrO2},

  author       = {Sun, Junming and Karim, Ayman M. and Mei, Donghai and Engelhard, Mark and Bao, Xinhe and Wang, Yong},

  abstractNote = {},

  doi          = {10.1016/j.apcatb.2014.06.043},

  journal      = {Applied Catalysis B: Environmental},

  number       = C,

  volume       = 162,

  place        = {Netherlands},

  year         = {Thu Jan 01 00:00:00 EST 2015},

  month        = {Thu Jan 01 00:00:00 EST 2015}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (Publisher)

Publisher's Version of Record
https://doi.org/10.1016/j.apcatb.2014.06.043

Other availability

Search WorldCat to find libraries that may hold this journal

Citation Metrics:

Cited by: 54 works

Citation information provided by
Web of Science

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE PAGES and OSTI.GOV collections:

New Insights into Reaction Mechanisms of Ethanol Steam Reforming on Co-ZrO2

Journal Article Sun, Junming ; Karim, Ayman M. ; Mei, Donghai ; ... - Applied Catalysis. B, Environmental, 162:141-148

The reaction pathway of ethanol steam reforming on Co-ZrO2 has been identified and the active sites associated with each step are proposed. Ethanol is converted to acetaldehyde and then to acetone, followed by acetone steam reforming. More than 90% carbon was found to follow this reaction pathway. N2-Sorption, X-ray Diffraction (XRD), Temperature Programmed Reduction (TPR), in situ X-ray Photoelectron Spectroscopy (XPS), Transmission Electron Microscopy, as well as theoretical Density Functional Theory (DFT) calculations have been employed to identify the structure and functionality of the catalysts, which was further used to correlate their performance in ESR. It was found that metallicmore »« less
https://doi.org/10.1016/j.apcatb.2014.06.043
Catalyst Deactivation and Regeneration in Low Temperature Ethanol Steam Reforming with Rh/CeO2-ZrO2 Catalysts

Journal Article Roh, Hyun-Seog ; Platon, Alex ; Wang, Yong ; ... - Catalysis Letters, 110(1-2):1-6

Rh/CeO2-ZrO2 catalysts with various CeO2/ZrO2 ratios have been applied to H2 production from ethanol steam reforming at low temperatures. The catalysts all deactivated with time on stream (TOS) at 350 C. The addition of 0.5% K has a beneficial effect on catalyst stability, while 5% K has a negative effect on catalytic activity. The catalyst could be regenerated considerably even at ambient temperature and could recover its initial activity after regeneration above 200 C with 1% O2. The results are most consistent with catalyst deactivation due to carbonaceous deposition on the catalyst.
https://doi.org/10.1007/s10562-006-0082-2
Insights into the Mechanism of Methanol Steam Reforming Tandem Reaction over CeO₂ Supported Single-Site Catalysts

Journal Article Chen, Luning ; Qi, Zhiyuan ; Peng, Xinxing ; ... - Journal of the American Chemical Society

We demonstrated how the special synergy between a noble metal single site and neighboring oxygen vacancies provides an "ensemble reaction pool" for high hydrogen generation efficiency and carbon dioxide (CO₂) selectivity of a tandem reaction: methanol steam reforming. Specifically, the hydrogen generation rate over single site Ru₁/CeO₂ catalyst is up to 9360 mol H₂ per mol Ru per hour (579 mL_H2 g_Ru^-1 s^-1) with 99.5% CO₂ selectivity. Reaction mechanism study showed that the integration of metal single site and O vacancies facilitated the tandem reaction, which consisted of methanol dehydrogenation, water dissociation, and the subsequent water gas shift (WGS) reaction. In addition,more »« less
https://doi.org/10.1021/jacs.1c03895

Full Text Available
Mechanistic Insights of Ethanol Steam Reforming over Ni–CeO _x (111): The Importance of Hydroxyl Groups for Suppressing Coke Formation

Journal Article Liu, Zongyuan ; Duchoň, Tomáš ; Wang, Huanru ; ... - Journal of Physical Chemistry. C
https://doi.org/10.1021/acs.jpcc.5b04310
Mechanistic Insights of Ethanol Steam Reforming over Ni–CeO _x (111): The Importance of Hydroxyl Groups for Suppressing Coke Formation

Journal Article Liu, Zongyuan ; Duchoň, Tomáš ; Wang, Huanru ; ... - Journal of Physical Chemistry. C

We have studied the reaction of ethanol and water over Ni–CeO_2-x(111) model surfaces to elucidate the mechanistic steps associated with the ethanol steam reforming (ESR) reaction. Our results provide insights about the importance of hydroxyl groups to the ESR reaction over Ni-based catalysts. Systematically, we have investigated the reaction of ethanol on Ni–CeO_2-x(111) at varying Ce³⁺ concentrations (CeO_1.8–2.0) with absence/presence of water using a combination of soft X-ray photoelectron spectroscopy (sXPS) and temperature-programmed desorption (TPD). Consistent with previous reports, upon annealing, metallic Ni formed on reduced ceria while NiO was the main component on fully oxidized ceria. Ni⁰ is themore »« less
Cited by 37
https://doi.org/10.1021/acs.jpcc.5b04310

Full Text Available

Similar Records