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Relevant bibliographies by topics / Temperature-programmed reduction (TPR)

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Academic literature on the topic 'Temperature-programmed reduction (TPR)'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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Journal articles on the topic "Temperature-programmed reduction (TPR)"

1

Rynkowski, J. M. "Temperature-programmed reduction (TPR) of Co−Ni/Al2O3 catalysts." Reaction Kinetics and Catalysis Letters 30, no. 1 (1986): 33–39. http://dx.doi.org/10.1007/bf02068143.

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2

Pirola, Carlo, Federico Galli, and Gregory S. Patience. "Experimental methods in chemical engineering: Temperature programmed reduction-TPR." Canadian Journal of Chemical Engineering 96, no. 11 (2018): 2317–20. http://dx.doi.org/10.1002/cjce.23317.

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3

Ebitani, Kohki, and Hideshi Hattori. "Combined Temperature-Programmed Reduction (TPR)- Temperature-Programmed Desorption (TPD) Study of Supported Platinum Catalysts." Bulletin of the Chemical Society of Japan 64, no. 8 (1991): 2422–27. http://dx.doi.org/10.1246/bcsj.64.2422.

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4

Yan, Aiyu, Bin Liu, Baofeng Tu, et al. "A Temperature-Programmed-Reduction Study on La1−xSrxCrO3 and Surface-Ruthenium-Modified La1−xSrxCrO3." Journal of Fuel Cell Science and Technology 4, no. 1 (2006): 79–83. http://dx.doi.org/10.1115/1.2393308.

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A series of La1−xSrxCrO3(0⩽x⩽0.3) composite oxides were prepared by a modified citric method. These perovskite oxides were further modified with Ru through impregnation. X-ray diffraction, X-ray photoelectron spectroscopy (XPS) and temperature-programmed-reduction (TPR) techniques were adopted to investigate the properties of both the as-prepared perovskite oxides and the surface-Ru-modified La1−xSrxCrO3 samples. XPS results indicated the existence of Cr6+ ions in the fresh samples and transformed to Cr3+ after reduction. The hydrogen consumed by these perovskite oxides during TPR increased wi

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5

Portnyagin, Arseniy, Alexey Golikov, Evgenii K. Papynov, and Valentin Avramenko. "Rate Constant Approximation with Cubic Splines for Kinetic Analysis of Temperature-Programmed Reduction Data." Key Engineering Materials 806 (June 2019): 87–92. http://dx.doi.org/10.4028/www.scientific.net/kem.806.87.

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Temperature-programmed reduction (TPR) is a widely used method for characterization of oxide-based catalysts, sorbents, and functional materials, but its results lack quantitative assessment. Here, we present a novel approach to kinetic analysis of the TPR that can be applied to a large variety of systems involving multiple limiting stages. Implementation of cubic splines to approximate rate constant vs. conversion dependencies obtained from several TPR curves recorded at different heating rates yields in a set of kinetic parameters (activation energy and preexponential factors) for all reduct

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6

Dancheva, Snejana, Liuba Ilieva, Nikolay Kotsev, and Atanas Andreev. "TPSR, TPR, and TPO Studies of Pd-V2O5/Al2O3 Catalysts in Complete Catalytic Oxidation of Benzene." Collection of Czechoslovak Chemical Communications 59, no. 9 (1994): 1922–30. http://dx.doi.org/10.1135/cccc19941922.

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Alumina-supported palladium vanadium-pentoxide catalysts were studied by means of temperature-programmed surface reaction, temperature-programmed reduction, temperature-programmed oxidation, and by ESR spectroscopy in the complete oxidation of benzene. The surface reaction measurements indicated that 0.5% Pd - 30% V2O5 / Al2O3 produced most oxidation products, compared to 0.5% Pd / Al2O3 or 30% V2O5 / Al2O3 samples. A drastic fall of peak maxima in temperature-programmed oxidation and reduction spectra indicates the decisive role of palladium in the mixed metal metal oxide system in facilitati

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7

Heidebrecht, Peter, Vladimir Galvita, and Kai Sundmacher. "An alternative method for parameter identification from temperature programmed reduction (TPR) data." Chemical Engineering Science 63, no. 19 (2008): 4776–88. http://dx.doi.org/10.1016/j.ces.2007.10.012.

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8

Latif, Mohd Nor, Alinda Samsuri, Mohamed Wahab Mohamed Hisham, and Mohd Ambar Yarmo. "Reduction of Molybdenum Trioxide by Using Hydrogen." Materials Science Forum 888 (March 2017): 404–8. http://dx.doi.org/10.4028/www.scientific.net/msf.888.404.

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Metallic molybdenum was synthesized through reduction of molybdenum trioxide (MoO3) by using hydrogen as a reducing agent. The reduction behavior of MoO3 were investigated by using temperature programmed reduction (TPR). The reduced phases were characterized by X-ray diffraction spectroscopy (XRD). The XRD results indicate that the reduction of MoO3 proceed in two steps reduction (MoO3 → MoO2 → Mo) with formation of intermediate phases of Mo4O11 during first step of reduction. However, the TPR results showed only one broad peak that correspond to all reduction step that was merge into one peak

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9

Jung, D. H., N. Umirov, T. Kim, Z. Bakenov, J. S. Kim, and S. S. Kim. "Thermal and Structural Stabilities of LixCoO2 cathode for Li Secondary Battery Studied by a Temperature Programmed Reduction." Eurasian Chemico-Technological Journal, no. 1 (February 20, 2019): 3. http://dx.doi.org/10.18321/ectj780.

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Temperature programmed reduction (TPR) method was introduced to analyze the structural change and thermal stability of LixCoO2 (LCO) cathode material. The reduction peaks of delithiated LCO clearly represented the different phases of LCO. The reduction peak at a temperature below 250 °C can be attributed to the transformation of CoO2–like to Co3O4–like phase which is similar reduction patterns of CoO2 phase resulting from delithiation of LCO structure. The 2nd reduction peak at 300~375 °C corresponds to the reduction of Co3O4–like phase to CoO–like phase. TPR results indicate the thermal insta

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10

Ma, Lingjuan, Dawei Han, Hongbin Ma, Longgang Liu, and Huichao Guo. "Characterization of Highly Dispersed Rod- and Particle-Shaped CuFe19Ox Catalysts and Their Shape Effects on WGS." Catalysts 8, no. 12 (2018): 635. http://dx.doi.org/10.3390/catal8120635.

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Highly dispersed CuFe19Ox catalysts with different shapes were prepared and further characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), H2 temperature-programmed reduction (H2-TPR), and in-situ XRD. XRD and TEM results showed that the synthesized CuFe19Ox nanoparticles consisted of CuO and Fe2O3, while CuFe19Ox nanorods consisted of CuFe2O4 and Fe2O3. The reduction properties of CuFe19Ox samples were finely studied by H2-TPR, and the phase composition was identified by in-situ XPS, HR-TEM, and surface TPR (s-TPR). In-situ X-ray photoelectroscopy (XPS) indicated th

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