Zobrazeno 1 - 10
of 27
pro vyhledávání: '"M. Alexander Ardagh"'
Publikováno v:
Chem Catalysis. 2:140-163
Catalysts that change with time via programmed variation of their electronic occupation to accelerate surface reactions were evaluated in the case of negative adsorption energy scaling relations. Defined as the relative change in adsorption enthalpy,
Autor:
Manish Shetty, Gaurav Kumar, M. Alexander Ardagh, Anargyros Chatzidimitriou, Paul J. Dauenhauer, Bess Vlaisavljevich, Yutong Pang
Publikováno v:
ACS Catalysis. 11:5718-5735
Co-feeding an inert and site-selective chemical titrant provides desirable selectivity tuning when titrant adsorption is favored over side reaction pathways on a solid acid catalyst. Here, a select...
Autor:
Abhaya K. Datye, Justin M. Notestein, M. Alexander Ardagh, Andrew T.Y. Wolek, Selim Alayoglu, Hien N. Pham
Publikováno v:
Journal of Catalysis. 394:387-396
Catalytically active acid sites associated with the silica-niobia interface were probed with a series of overcoated SiO2 on Nb2O5 (SiO2/Nb2O5) mixed oxide materials prepared by deposition of tetraethyl orthosilicate onto niobic acid (Nb2O5·nH2O) or
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:18616-18625
Friedel-Crafts acylation using long-chain fatty acid derivatives and biomass-derived furans is the key reaction to produce "alkyl furan ketones", an important precursor for biorenewable oleo-furan surfactants. In this work, the steady-state acylation
Publikováno v:
ACS Catalysis. 10:13008-13018
Lewis acidic Ti-SiO2 materials are workhorse oxidation catalysts, and they range from microporous substituted zeolites to meso/macroporous materials, often with tradeoffs between steric accessibili...
Publikováno v:
ACS Catalysis. 10:12867-12880
Conventional catalyst design has enhanced reactivity and product selectivity through the control of surface thermochemistry by tunable surface composition and the surrounding environment (e.g., por...
Autor:
Manish Shetty, Turan Birol, Sallye R Gathmann, Joshua Gopeesingh, M. Alexander Ardagh, Qi Zhang, Phillip Christopher, Paul J. Dauenhauer, C. Daniel Frisbie, Dionisios G. Vlachos, Omar A. Abdelrahman, Amber Walton, Joaquin Resasco, Michael Tsapatsis
Publikováno v:
ACS Catalysis. 10:12666-12695
Transformational catalytic performance in rate and selectivity is obtainable through catalysts that change on the time scale of catalytic turnover frequency. In this work, dynamic catalysts are def...
Autor:
Dan McDonald, Omar A. Abdelrahman, M. Alexander Ardagh, Anargyros Chatzidimitriou, Paul J. Dauenhauer, Michael Tsapatsis, Yutong Pang, Choong Sze Lee, Hannah Bossert, Gaurav Kumar
Publikováno v:
Matter
Summary This work describes the design and implementation of an automated device for catalytic materials testing by direct modifications to a gas chromatograph (GC). The setup can be operated as a plug-flow isothermal reactor and enables the control
Autor:
Paul J. Dauenhauer, Omar A. Abdelrahman, Joshua Gopeesingh, M. Alexander Ardagh, Manish Shetty, Sean Burke
Publikováno v:
ACS Catalysis. 10:9932-9942
It is a truth universally acknowledged that faster catalysts enable the more efficient transformation of molecules to useful products and enhance the utilization of natural resources. However, the ...
Autor:
Gaurav Kumar, M. Alexander Ardagh, Qi Zhang, Paul J. Dauenhauer, Michael Tsapatsis, Anatoliy Kuznetsov
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:3273-3282
The catalytic conversion of biomass-derived furfural to 1,3-butadiene is a potential synthetic route to renewable rubber. In this work, we present and evaluate a conceptual process design consistin...