Search Results - "KNOWLES, William V"

Identification of active Zr–WOx clusters on a ZrO2 support for solid acid catalysts by Zhou, Wu, Ross-Medgaarden, Elizabeth I., Knowles, William V., Wong, Michael S., Wachs, Israel E., Kiely, Christopher J.

“…Tungstated zirconia is a robust solid acid catalyst for light alkane (C 4 –C 8 ) isomerization. Several structural models for catalytically active sites have…”
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New insights into the nature of the acidic catalytic active sites present in ZrO2-supported tungsten oxide catalysts by ROSS-MEDGAARDEN, Elizabeth I, KNOWLES, William V, KIM, Taejin, WONG, Michael S, WU ZHOU, KIELY, Christopher J, WACHS, Israel E

“…An extensive series of supported WO3/ZrOx(OH)4-2x catalysts (WZrOH) were synthesized by standard aqueous impregnation of ammonium metatungstate into an…”
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Catalytic activity in individual cracking catalyst particles imaged throughout different life stages by selective staining by Buurmans, Inge L. C., Ruiz-Martínez, Javier, Knowles, William V., van der Beek, David, Bergwerff, Jaap A., Vogt, Eelco T. C., Weckhuysen, Bert M.

“…Fluid catalytic cracking (FCC) is the major conversion process used in oil refineries to produce valuable hydrocarbons from crude oil fractions. Because the…”
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Microspectroscopic insight into the deactivation process of individual cracking catalyst particles with basic sulfur components by Ruiz-Martínez, Javier, Buurmans, Inge L.C., Knowles, William V., van der Beek, David, Bergwerff, Jaap A., Vogt, Eelco T.C., Weckhuysen, Bert M.

“…[Display omitted] ► Basic sulfur poisons interact with Brønsted acid sites forming oligomeric carbocations. ► Oligomeric carbocations are coke intermediates. ►…”
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Tuning the Electronic and Molecular Structures of Catalytic Active Sites with Titania Nanoligands by Ross-Medgaarden, Elizabeth I, Wachs, Israel E, Knowles, William V, Burrows, Andrew, Kiely, Christopher J, Wong, Michael S

“…A series of supported 1−60% TiO2/SiO2 catalysts were synthesized and subsequently used to anchor surface VO x redox and surface WO x acid sites. The supported…”
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Staining of Fluid-Catalytic-Cracking Catalysts: Localising Brønsted Acidity within a Single Catalyst Particle by Buurmans, Inge L. C., Ruiz-Martínez, Javier, van Leeuwen, Sanne L., van der Beek, David, Bergwerff, Jaap A., Knowles, William V., Vogt, Eelco T. C., Weckhuysen, Bert M.

“…A time‐resolved in situ micro‐spectroscopic approach has been used to investigate the Brønsted acidic properties of fluid‐catalytic‐cracking (FCC) catalysts at…”
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Manganese(II) Oxide Nanohexapods:  Insight into Controlling the Form of Nanocrystals by Ould-Ely, Teyeb, Prieto-Centurion, Dario, Kumar, A, Guo, W, Knowles, William V, Asokan, Subashini, Wong, Michael S, Rusakova, I, Lüttge, Andreas, Whitmire, Kenton H

“…Cross-shaped and octahedral nanoparticles (hexapods) of MnO in size, and fragments thereof, are created in an amine/carboxylic acid mixture from manganese…”
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Cover Picture: Staining of Fluid-Catalytic-Cracking Catalysts: Localising Brønsted Acidity within a Single Catalyst Particle (Chem. Eur. J. 4/2012) by Buurmans, Inge L. C., Ruiz-Martínez, Javier, van Leeuwen, Sanne L., van der Beek, David, Bergwerff, Jaap A., Knowles, William V., Vogt, Eelco T. C., Weckhuysen, Bert M.

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Microspectroscopic insight into the deactivation process of individual cracking catalyst particles with basic sulfur components by RUIZ-MARTINEZ, Javier, BUURMANS, Inge L. C, KNOWLES, William V, DER BEEK, David Van, BERGWERFF, Jaap A, VOGT, Eelco T. C, WECKHUYSEN, Bert M

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Identification of active Zr–WO x clusters on a ZrO 2 support for solid acid catalysts by Kiely, Christopher J, Zhou, Wu, Ross-Medgaarden, Elizabeth I, Knowles, William V, Wong, Michael S, Wachs, Israel E

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New insights into the nature of the acidic catalytic active sites present in ZrO 2-supported tungsten oxide catalysts by Ross-Medgaarden, Elizabeth I., Knowles, William V., Kim, Taejin, Wong, Michael S., Zhou, Wu, Kiely, Christopher J., Wachs, Israel E.

“…An extensive series of supported WO 3/ZrO x (OH) 4−2 x catalysts (WZrOH) were synthesized by standard aqueous impregnation of ammonium metatungstate into an…”
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Identification of active Zr-WO(x) clusters on a ZrO2 support for solid acid catalysts by Zhou, Wu, Ross-Medgaarden, Elizabeth I, Knowles, William V, Wong, Michael S, Wachs, Israel E, Kiely, Christopher J

“…Tungstated zirconia is a robust solid acid catalyst for light alkane (C(4)-C(8)) isomerization. Several structural models for catalytically active sites have…”
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