Zobrazeno 1 - 10 of 122 pro vyhledávání: '"Eric D. Walter"'
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Akademický článek
Interplay between copper redox and transfer and support acidity and topology in low temperature NH3-SCR
Autor: Yiqing Wu, Wenru Zhao, Sang Hyun Ahn, Yilin Wang, Eric D. Walter, Ying Chen, Miroslaw A. Derewinski, Nancy M. Washton, Kenneth G. Rappé, Yong Wang, Donghai Mei, Suk Bong Hong, Feng Gao
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-13 (2023)
Abstract Low-temperature standard NH3-SCR over copper-exchanged zeolite catalysts occurs on NH3-solvated Cu-ion active sites in a quasi-homogeneous manner. As key kinetically relevant reaction steps, the reaction intermediate CuII(NH3)4 ion hydrolyze
Externí odkaz: https://doaj.org/article/d6d87219e0814caca4527f7a5efe4792
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2
Akademický článek
Unraveling the mysterious failure of Cu/SAPO-34 selective catalytic reduction catalysts
Autor: Aiyong Wang, Ying Chen, Eric D. Walter, Nancy M. Washton, Donghai Mei, Tamas Varga, Yilin Wang, János Szanyi, Yong Wang, Charles H. F. Peden, Feng Gao
Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)
Understanding the failure of commercial Cu/SAPO-34 selective catalytic reduction (SCR) catalysts at an atomic level is vital for the synthesis of more robust catalysts. Here the authors unravel the mysterious failure of Cu/SAPO-34 SCR catalysts via a
Externí odkaz: https://doaj.org/article/6ca278e84a3c44aab369c318b77df26a
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6
Equatorial Electronic Structure in the Uranyl Ion: Cs2UO2Cl4 and Cs2UO2Br4
Autor: Dumitru-Claudiu Sergentu, Sergey I. Sinkov, Eric D. Walter, Jochen Autschbach, Gabriel B. Hall, Frédéric Gendron, Chuck Z. Soderquist, Cigdem Capan, Sejun Park, R. Gian Surbella, Herman Cho
Publikováno v: Inorganic Chemistry. 61:3821-3831
Electric field gradient (EFG) tensors in the equatorial plane of the linear UO22+ ion have been measured by nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) experiments and computed by relativistic Kohn-Sham methods with and wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a56894041c6d13d8356e9229e3a79d6e
https://doi.org/10.1021/acs.inorgchem.1c02832
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7
Integrated Capture and Conversion of CO 2 to Methane Using a Water‐lean, Post‐Combustion CO 2 Capture Solvent
Autor: Johnny Saavedra Lopez, Eric D. Walter, Jotheeswari Kothandaraman, Yuan Jiang, Sarah D. Burton, David J. Heldebrant, Robert A. Dagle
Publikováno v: ChemSusChem. 14:4812-4819
Integrated carbon capture and conversion of CO2 into materials (IC3 M) is an attractive solution to meet global energy demand, reduce our dependence on fossil fuels, and lower CO2 emissions. Herein, using a water-lean post-combustion capture solvent,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2292d5be29db8c7a5988d44fcadf5acf
https://doi.org/10.1002/cssc.202101590
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10
Quasi-operando quantification of Cu(ii) ions in Cu-SSZ-13 catalyst by an NH3 temperature-programmed reduction method
Autor: Eric D. Walter, Xiaodong Wu, Feng Gao, Rui Ran, Liping Liu, Yue Ma, Zhichun Si, Baofang Jin, Duan Weng, Jiancai Ding
Publikováno v: Chemical Communications. 57:1891-1894
A quasi-operando NH3 temperature-programmed reduction method (NH3-TPR), with N2:Cu = 1:1, is developed to quantify total Cu(II) ions in Cu-SSZ-13 quenched from SCR-relevant reactions, and its accuracy is confirmed by in situ EPR. [Cu(OH)]+-Z and Cu2+
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c02d5f513f442e52b17d53d76062466a
https://doi.org/10.1039/d0cc07346f
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