Výsledky vyhledávání - "Andre C. van Veen"

Dry Reforming of Methane at High Pressure in a Fixed-Bed Reactor with Axial Temperature Profile Determination

Autor: Jonas Schulwitz, Lukas Tillmann, Martin Muhler, Andre C. van Veen

Publikováno v: Catalysis Letters. 148:2256-2262

A continuously operated flow setup with fixed-bed reactor and online gas analysis enabled kinetic investigations of catalysts\ud for the carbon dioxide reforming of methane under industrially relevant conditions at temperatures up to 1000 °C and at\

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65beb39ad29e3f38a78d6c80f3e42147
https://doi.org/10.1007/s10562-018-2453-x

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Mechanistic Insights into the Desorption of Methanol and Dimethyl Ether Over ZSM-5 Catalysts

Autor: Toyin Omojola, Dmitry B. Lukyanov, Andrew I. McNab, Nikolay Cherkasov, James A. Anderson, Evgeny V. Rebrov, Andre C. van Veen

Publikováno v: Omojola, T, Cherkasov, N, McNab, A, Lukyanov, D, Anderson, J, Rebrov, E & van Veen, A 2018, ' Mechanistic Insights into the Desorption of Methanol and Dimethyl ether over ZSM-5 Catalysts ' Catalysis Letters, vol. 148, no. 1, pp. 474-488 . https://doi.org/10.1007/s10562-017-2249-4

The desorption of methanol and dimethyl ether has been studied over fresh and hydrocarbon-occluded ZSM-5 catalysts with Si/Al ratios of 25, 36 and 135 using a Temporal Analysis of Products (TAP) reactor. The catalysts were characterized by XRD, SEM,

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https://doi.org/10.1007/s10562-017-2249-4

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Mechanistic insights into the conversion of dimethyl ether over ZSM-5 catalysts: A combined temperature-programmed surface reaction and microkinetic modelling study

Autor: Toyin Omojola, Andre C. van Veen

Publikováno v: Chemical Engineering Science. 239:116620

The rates of adsorption, desorption, and surface reaction of dimethyl ether (DME) to olefins over fresh and working ZSM-5 catalysts with different Si/Al ratios (36 and 135) were decoupled using a combination of temperature-programmed surface reaction

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https://doi.org/10.1016/j.ces.2021.116620

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Superacid-Treated Silicon Surfaces: Extending the Limit of Carrier Lifetime for Photovoltaic Applications

Autor: Neil R. Wilson, Evangeline C. Wheeler-Jones, James Bullock, Andre C. van Veen, Mohammad Al-Amin, Tim Niewelt, John D. Murphy, Nicholas E. Grant, Ali Javey, Martin C. Schubert

Publikováno v: IEEE Journal of Photovoltaics, vol 7, iss 6

Minimizing carrier recombination at interfaces is of extreme importance in the development of high-efficiency photovoltaic devices and for bulk material characterization. Here, we investigate a temporary room temperature superacid-based passivation s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff7d36d5aa2e0dca409ba6f270853922
https://doi.org/10.1109/jphotov.2017.2751511

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Structured catalysts for biofuels transformation into syngas with active components based on perovskite and spinel oxides supported on Mg-doped alumina

Autor: Andre C. van Veen, Tatiana S. Glazneva, Oleg Smorygo, Natalia Mezentseva, Ekaterina Smal, Svetlana Pavlova, Marina Arapova, Ksenia Parkhomenko, Anne-Cécile Roger, Mikhail N. Simonov, Anton I. Lukashevich, Vladimir A. Rogov, Vladislav A. Sadykov

Publikováno v: Catalysis Today. :176-185

For structured catalysts of biofuels transformation into syngas inexpensive and stable to sintering active components based upon Mg-doped γ-alumina with supported LaNi 0.9 Ru 0.1 O 3 perovskite or MnCr 2 O 4 spinel promoted by Ru + Ni were developed

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https://doi.org/10.1016/j.cattod.2017.05.055

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Influence of precursors on the induction period and transition regime of dimethyl ether conversion to hydrocarbons over ZSM-5 catalysts

Autor: Toyin Omojola, Andre C. van Veen, Nikolay Cherkasov, Vladimir L. Zholobenko, Dmitry B. Lukyanov

Publikováno v: Omojola, T, Lukyanov, D, Cherkasov, N, Zholobenko, V & van Veen, A 2019, ' Influence of precursors on the induction period and transition regime of dimethyl ether conversion to hydrocarbons over ZSM-5 catalysts ', Industrial and Engineering Chemistry Research, vol. 58, no. 36, pp. 16479-16488 . https://doi.org/10.1021/acs.iecr.9b03344

ZSM-5 catalysts were subjected to step response cycles of dimethyl ether (DME) at 300 °C in a temporal analysis of product (TAP) reactor. Propylene is the major olefin and displays an S-shaped profile. A 44 min induction period occurs before primary

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::520af48a3d249c6aa29729106ab6e913
http://wrap.warwick.ac.uk/124507/1/WRAP-influence-precursors-induction-period-regime-conversion-Omojola-2019.pdf

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Transient kinetic studies and microkinetic modeling of primary olefin formation from dimethyl ether over ZSM‐5 catalysts

Autor: Andre C. van Veen, Toyin Omojola, Dmitry B. Lukyanov

Publikováno v: Omojola, T, Lukyanov, D & van Veen, A 2019, ' Transient kinetic studies and microkinetic modeling of primary olefin formation from dimethyl ether over ZSM-5 catalysts ', International Journal of Chemical Kinetics, vol. 51, no. 7, pp. 528-537 . https://doi.org/10.1002/kin.21275

The formation of primary olefins from dimethyl ether (DME) was studied over ZSM-5 catalysts at 300°C using a novel step response methodology in a temporal analysis of products (TAP) reactor. For the first time, the TAP reactor framework was used to

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