Search Results - "Shekhtman, S."

Quantitative analysis of the reactivity of formate species seen by DRIFTS over a Au/Ce(La)O2 water-gas shift catalyst : First unambiguous evidence of the minority role of formates as reaction intermediates by MEUNIER, F. C, REID, D, GOGUET, A, SHEKHTMAN, S, HARDACRE, C, BURCH, R, DENG, W, FLYTZANI -STEPHANOPOULOS, M

“…The reactivity of the species formed at the surface of a Au/Ce(La)O2 catalyst during the water-gas shift (WGS) reaction were investigated by operando diffuse…”
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Phase Relations in a NaFeO2-SnO2 (0–50 mol.% SnO2) System and the Crystal Structure and Conductivity of Na0.8Fe0.8Sn0.2O2 by Shekhtman, Georgiy S., Sherstobitova, Elena A., Shchelkanova, Mariya S., Ilyina, Evgenia A.

“…With the view of developing new materials for sodium and sodium-ion power sources, NaFeO2-SnO2 (0–50 mol.% SnO2) powders were synthesized using a solid state…”
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Passive Adsorption of Aromatic Substances on Silicon Carbide and Nitrile Rubber Composites and a Comparison of the Chromatographic Profiles of Banana Candy, Fresh Banana, and “Banana” Flavor by Markova, E. S., Furman, A. N., Shekhtman, S. P., Pirogov, A. V., Popik, M. V., Shpigun, O. A., Stepashkin, A. A.

“…A domestic composite material based on silicon carbide and nitrile butadiene rubber was used to identify volatile substances of banana, banana flavor, and…”
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A modified commercial DRIFTS cell for kinetically relevant operando studies of heterogeneous catalytic reactions by Meunier, F.C., Goguet, A., Shekhtman, S., Rooney, D., Daly, H.

“…This paper discusses a number of checks that should be carried out to ensure that the kinetic and spectroscopic measurements made using a DRIFTS cell are…”
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CO multipulse TAP studies of 2% Pt/CeO2 catalyst : Influence of catalyst pretreatment and temperature on the number of active sites observed by SHEKHTMAN, S. O, GOGUET, A, BURCH, R, HARDACRE, C, MAGUIRE, N

“…CO multipulse temporal analysis of products (TAP) experiments were used to characterize a ceria-supported platinum catalyst after various oxidative and…”
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Pulse-response TAP studies of the reverse water-gas shift reaction over a Pt/CeO2 catalyst by GOGUET, A, SHEKHTMAN, S. O, BURCH, R, HARDACRE, C, MEUNIER, F. C, YABLONSKY, G. S

“…The temporal analysis of products (TAP) technique was successfully applied for the first time to investigate the reverse water-gas shift (RWGS) reaction over a…”
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On the complexity of the water-gas shift reaction mechanism over a Pt/CeO2 catalyst : Effect of the temperature on the reactivity of formate surface species studied by operando DRIFT during isotopic transient at chemical steady-state by MEUNIER, F. C, TIBILETTI, D, GOGUET, A, SHEKHTMAN, S, HARDACRE, C, BURCH, R

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The Y-procedure: How to extract the chemical transformation rate from reaction–diffusion data with no assumption on the kinetic model by Yablonsky, G.S., Constales, D., Shekhtman, S.O., Gleaves, J.T.

“…The paper presents a new method to extract the chemical transformation rate from reaction–diffusion data with no assumption on the kinetic model (“kinetic…”
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Using temporal analysis of products and flux response technology to determine diffusion coefficients in catalytic monoliths by Maguire, N., Sasegbon, A., Abdelkader, A., Goguet, A., Hardacre, C., Hellgardt, K., Morgan, K., Shekhtman, S.O.

“…The importance of accurately measuring gas diffusivity in porous materials has led to a number of methods being developed. In this study the Temporal Analysis…”
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Effect of the carburization of MoO3-based catalysts on the activity for butane hydroisomerization by GOGUET, A, SHEKHTMAN, S, CAVALLARO, F, HARDACRE, C, MEUNIER, F. C

“…Catalysts based on molybdena (MoO3) reduced at mild temperatures are highly active and selective for the hydroisomerization of alkanes; however, further…”
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Properties of a Tool Produced by Powder Metallurgy by Migranov, M. Sh, Minigaleev, S. M., Shekhtman, S. R.

“…To minimize the manufacturing costs of parts with specified operational properties, the machining processes must be optimized. Cutting accounts for at least…”
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Three primary kinetic characteristics observed in a pulse-response TAP experiment by Shekhtman, S.O., Maguire, N., Goguet, A., Burch, R., Hardacre, C.

“…The state-by-state transient screening approach based on a pulse-response thin-zone TAP experiment is further developed whereby single-pulse kinetic tests are…”
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Uniformity in a thin-zone multi-pulse TAP experiment: numerical analysis by Phanawadee, P., O. Shekhtman, S., Jarungmanorom, C., S. Yablonsky, G., T. Gleaves, J.

“…The thin-zone TAP reactor (TZTR) model of a multi-pulse experiment is computationally validated based on a more general three-zone reactor model. The analysis…”
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Multi-zone TAP-reactors theory and application IV. Ideal and non-ideal boundary conditions by Constales, D., Shekhtman, S.O., Yablonsky, G.S., Marin, G.B., Gleaves, J.T.

“…We study the influence of non-ideal boundary and initial conditions (BIC) of a temporal analysis of products (TAP) reactor model on the data (observed exit…”
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Negative apparent kinetic order in steady-state kinetics of the water-gas shift reaction over a Pt-CeO2 catalyst by MEUNIER, F. C, YABLONSKY, G, REID, D, SHEKHTMAN, S. O, HARDACRE, C, BURCH, R, LAZMAN, M

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Thin-zone TAP-reactor – theory and application by Shekhtman, S.O., Yablonsky, G.S., Chen, S., Gleaves, J.T.

“…A new reactor model for TAP pulse response experiments called a ‘thin-zone reactor’ is developed and applied to irreversible adsorption/reaction and reversible…”
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General expression for primary characterization of catalyst activity using TAP pulse response experiment by Yablonsky, G.S., Shekhtman, S.O., Phanawadee, P., Gleaves, J.T.

“…A general expression for primary catalyst characterization using TAP pulse response data has been obtained for porous and non-porous catalysts, and for one-…”
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Quantitative analysis of the reactivity of formate species seen by DRIFTS over a Au/Ce(La)O 2 water–gas shift catalyst: First unambiguous evidence of the minority role of formates as reaction intermediates by Meunier, F.C., Reid, D., Goguet, A., Shekhtman, S., Hardacre, C., Burch, R., Deng, W., Flytzani-Stephanopoulos, M.

“…The reactivity of the species formed at the surface of a Au/Ce(La)O 2 catalyst during the water–gas shift (WGS) reaction were investigated by operando diffuse…”
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Moment-Based Analysis of Transient Response Catalytic Studies (TAP Experiment) by Yablonskii, Gregory S, Shekhtman, Sergiy O, Chen, Shaorong, Gleaves, John T

“…A new moment-based theoretical approach for the analysis of TAP (temporal analysis of products) pulse-response data is described. The distinguishing feature of…”
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Effect of the carburization of MoO 3-based catalysts on the activity for butane hydroisomerization by Goguet, A., Shekhtman, S., Cavallaro, F., Hardacre, C., Meunier, F.C.

“…Catalysts based on molybdena (MoO 3) reduced at mild temperatures are highly active and selective for the hydroisomerization of alkanes; however, further…”
Get full text