Výsledky vyhledávání - "Siddarth H. Krishna"

Production of Hexane-1,2,5,6-tetrol from Biorenewable Levoglucosanol over Pt-WOx/TiO2

Autor: Bert M. Weckhuysen, Ive Hermans, Siddarth H. Krishna, James A. Dumesic, Paolo Cuello-Penaloza, Edgard A. Lebrón-Rodríguez, Mario De bruyn, George W. Huber

Publikováno v: ACS Sustainable Chemistry & Engineering. 9:16123-16132

We have investigated the synthesis of hexane-1,2,5,6-tetrol (hereafter “tetrol”) from aqueous solutions of biomass-derived levoglucosanol (hereafter “Lgol”) using a (10 wt %)Pt-(10 wt %)WOx/TiO2 ca...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a63fcbedff2d4ad2b2771ab8da0ffa7
https://doi.org/10.1021/acssuschemeng.1c04759

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Dynamic Interconversion of Metal Active Site Ensembles in Zeolite Catalysis

Autor: Casey B. Jones, Rajamani Gounder, Siddarth H. Krishna

Publikováno v: Annual Review of Chemical and Biomolecular Engineering. 12:115-136

Catalysis science is founded on understanding the structure, number, and reactivity of active sites. Kinetic models that consider active sites to be static and noninteracting entities are routinely successful in describing the behavior of heterogeneo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6251f440c07ce3d0a393a29b270d1ac
https://doi.org/10.1146/annurev-chembioeng-092120-010920

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Molecular water provides a channel for communication between Brønsted acid sites in solid catalysts

Autor: Siddarth H. Krishna, Rajamani Gounder

Publikováno v: Chem Catalysis. 1:968-970

Solvent molecules play important mechanistic roles in catalytic reactions, such as the formation of molecular channels and networks to enable communication between spatially isolated active sites. In this issue of Chem Catalysis, Resasco and colleagu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c348249afe7e2aca73b84da9ead6e756
https://doi.org/10.1016/j.checat.2021.09.009

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Mechanistic Insights into the Conversion of Biorenewable Levoglucosanol to Dideoxysugars

Autor: Bert M. Weckhuysen, Larry A. Curtiss, Mingxia Zhou, Siddarth H. Krishna, Rajeev S. Assary, Mario De bruyn, George W. Huber, James A. Dumesic

Publikováno v: ACS Sustainable Chemistry & Engineering. 8:16339-16349

A molecular understanding of the conversion of biorenewable threo- and erythro-levoglucosanol (LGOL) to 3,4-dideoxysugars in aqueous medium is provided based on first-principles simulations. The synthetic importance of this transformation is that the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac33a23a4b4619dd2b32fc9f5b631be3
https://doi.org/10.1021/acssuschemeng.0c06315

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Rates of levoglucosanol hydrogenolysis over Brønsted and Lewis acid sites on platinum silica-alumina catalysts synthesized by atomic layer deposition

Autor: James A. Dumesic, George W. Huber, Lifeng Zhang, Siddarth H. Krishna, Ive Hermans, Thomas F. Kuech

Publikováno v: Journal of Catalysis. 389:111-120

Nanoscale coatings of AlOx were deposited onto SiO2 using atomic layer deposition (ALD) to synthesize amorphous silica-alumina (SiAl) catalysts, and these catalysts were investigated for levoglucosanol (Lgol) hydrogenolysis. With decreasing Al2O3 loa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e09e0b35d0ac927c535f9ceef976e58
https://doi.org/10.1016/j.jcat.2020.05.025

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Combining Kinetics and Operando Spectroscopy to Interrogate the Mechanism and Active Site Requirements of NOx Selective Catalytic Reduction with NH3 on Cu-Zeolites

Autor: Casey B. Jones, Siddarth H. Krishna, Jeffrey T. Miller, Rajamani Gounder, Fabio H. Ribeiro

Publikováno v: The Journal of Physical Chemistry Letters. 11:5029-5036

NOx selective catalytic reduction (SCR) with NH3 on Cu-zeolites is a commercial emissions control technology for diesel and lean-burn engines. Mitigating low-temperature emissions remains an outsta...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ffd48b6b836c1bb0e201d3629c062bc2
https://doi.org/10.1021/acs.jpclett.0c00903

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