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Journal articles on the topic 'Temperature Programmed Surface Reaction'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Hunger, B., and J. Hoffmann. "Temperature-programmed surface reactions (TPSR) on heterogeneous surfaces." Journal of Thermal Analysis 40, no. 3 (1993): 1347–56. http://dx.doi.org/10.1007/bf02546899.

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2

Hinrichsen, O., A. Hornung, and M. Muhler. "Modeling of Temperature-Programmed Surface Reactions." Chemical Engineering & Technology 22, no. 12 (1999): 1039–42. http://dx.doi.org/10.1002/(sici)1521-4125(199912)22:12<1039::aid-ceat1039>3.0.co;2-5.

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3

Paul, Anumita, Cynthia J. Jenks, and Brian E. Bent. "Site-blocking effects in temperature-programmed reaction studies of surface decomposition reactions." Surface Science 261, no. 1-3 (1992): 233–42. http://dx.doi.org/10.1016/0039-6028(92)90235-x.

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4

Chang, Che‐Chen, Cheng Khong, and Richard Saiki. "Temperature‐programmed reaction of methylamine on the Ni{100} surface." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 11, no. 4 (1993): 2122–27. http://dx.doi.org/10.1116/1.578379.

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5

LIU, Bing, Hengyong XU, and Zehui ZHANG. "Temperature-Programmed Surface Reaction Study of Adsorption and Reaction of H2S on Ceria." Chinese Journal of Catalysis 33, no. 9-10 (2012): 1631–35. http://dx.doi.org/10.1016/s1872-2067(11)60416-6.

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6

Jankowska, Aleksandra, Agata Chłopek, Andrzej Kowalczyk, et al. "Catalytic Performance of Spherical MCM-41 Modified with Copper and Iron as Catalysts of NH3-SCR Process." Molecules 25, no. 23 (2020): 5651. http://dx.doi.org/10.3390/molecules25235651.

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Spherical MCM-41 with various copper and iron loadings was prepared by surfactant directed co-condensation method. The obtained samples were characterized with respect to their structure (X-ray diffraction, XRD), texture (N2 sorption), morphology (scanning electron microscopy, SEM), chemical composition (inductively coupled plasma optical emission spectrometry, ICP-OES), surface acidity (temperature programmed desorption of ammonia, NH3-TPD), form, and aggregation of iron and copper species (diffuse reflectance UV-Vis spectroscopy, UV-Vis DRS) as well as their reducibility (temperature program

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7

Pei, Yanpeng, Yunjie Ding, Juan Zang, et al. "Temperature-programmed desorption and surface reaction studies of CO on Co2C." Chinese Journal of Catalysis 34, no. 8 (2013): 1570–75. http://dx.doi.org/10.1016/s1872-2067(12)60615-9.

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8

Ha, Heung Yong, Taehoon Lim, Jong Shik Chung, and Sang Heup Moon. "TPSR(Temperature-Programmed Surface Reaction) study of sulfur-poisoned nickel catalyst." Korean Journal of Chemical Engineering 7, no. 2 (1990): 148–50. http://dx.doi.org/10.1007/bf02705061.

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9

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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10

Zhao, Zhao Hui, Han Bo Zou, and Wei Ming Lin. "Influence of Final Nitriding Temperature on the Preparation and the Catalytic Performance of CoMoN_x/CNTs for Ammonia Decomposition." Advanced Materials Research 557-559 (July 2012): 1514–17. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.1514.

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A series of cobalt-molybdenum nitride catalysts were prepared using Co-Mo oxide precursors via temperature-programmed reaction in N2-H2 mixed gases. The catalysts were characterized by N2 physical adsorption, X-ray diffraction, temperature-programmed desorption of H2. Their catalytic performance was evaluated in the model reaction of ammonia decomposition. The influence of the final nitriding temperatures on the surface properties and the catalytic perfomance of CoMoNx/CNTs were described. The catalyst nitrided at 650°C shows the best catalytic performance. The results indicated that a suitabl

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11

Parastaev, Alexander, Wilfred F. L. M. Hoeben, Bert E. J. M. van Heesch, Nikolay Kosinov, and Emiel J. M. Hensen. "Temperature-programmed plasma surface reaction: An approach to determine plasma-catalytic performance." Applied Catalysis B: Environmental 239 (December 2018): 168–77. http://dx.doi.org/10.1016/j.apcatb.2018.08.011.

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12

Wang, Kuan-Wen, Shu-Ru Chung, Yu-Chen Wei, Jyh-Fu Lee, and Tsong P. Perng. "Temperature-programmed surface reaction (TPSR) of CH4 synthesis by PdxNi100−x nanoparticles." Applied Surface Science 255, no. 11 (2009): 5802–5. http://dx.doi.org/10.1016/j.apsusc.2009.01.008.

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13

BAI, X. "Temperature programmed surface reaction of methylcyclopentane on Pd/NaY and Pd/HY." Journal of Catalysis 132, no. 1 (1991): 266–68. http://dx.doi.org/10.1016/0021-9517(91)90264-5.

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14

Prasad, Jagdish, and John L. Gland. "Diimide formation on rhodium surfaces: a temperature-programmed reaction spectroscopy study." Journal of the American Chemical Society 113, no. 5 (1991): 1577–79. http://dx.doi.org/10.1021/ja00005a020.

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15

Zi-Feng, Yan, Qian Ling, Liu Xin-Mei, et al. "Mechanistic Study of Methane Reforming with Carbon Dioxide on a Supported Nickel Catalyst." Journal of Chemical Research 2005, no. 6 (2005): 394–400. http://dx.doi.org/10.3184/0308234054506839.

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The nature of activation of methane on supported nickel catalyst has been investigated by means of temperature programmed surface reaction (TPSR), temperature programmed desorption (TPD), X-ray photoelectron energy spectroscopy (XPS) and pulse reaction and a synergetic mechanism of carbon dioxide reforming with methane is tentatively postulated. TPSR, TPD and XPS results indicate that carbidic Cα, carbonaceous Cβ and carbidic clusters Cγ surface carbon species formed by decomposition of methane show different surface mobility, thermal stability and reactivity. Cα and Cβ species on the nickel s

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16

Karásková, Kateřina, Kateřina Pacultová, Květuše Jirátová, Dagmar Fridrichová, Martin Koštejn, and Lucie Obalová. "K-Modified Co–Mn–Al Mixed Oxide—Effect of Calcination Temperature on N2O Conversion in the Presence of H2O and NOx." Catalysts 10, no. 10 (2020): 1134. http://dx.doi.org/10.3390/catal10101134.

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The effect of calcination temperature (500–700 °C) on physico-chemical properties and catalytic activity of 2 wt. % K/Co-Mn-Al mixed oxide for N2O decomposition was investigated. Catalysts were characterized by inductively coupled plasma spectroscopy (ICP), X-ray powder diffraction (XRD), temperature-programmed reduction by hydrogen (TPR-H2), temperature-programmed desorption of CO2 (TPD-CO2), temperature-programmed desorption of NO (TPD-NO), X-ray photoelectron spectrometry (XPS) and N2 physisorption. It was found that the increase in calcination temperature caused gradual crystallization of

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17

WU, G., D. STACCHIOLA, M. COLLINS, and W. T. TYSOE. "THE ADSORPTION AND REACTION OF ACETALDEHYDE ON CLEAN Ag(111)." Surface Review and Letters 07, no. 03 (2000): 271–75. http://dx.doi.org/10.1142/s0218625x00000373.

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The adsorption of acetaldehyde has been studied on clean Ag(111) using temperature-programmed desorption (TPD) and reflection–absorption infrared (RAIRS) spectroscopies. Acetaldehyde adsorbs at 80 K via the oxygen lone pair in an η1(O) configuration. It is found that a portion of the adsorbed acetaldehyde desorbs at low temperatures (~ 160 K) and also polymerizes. Based on this and other work, it is proposed that the surface polymer consists of an open chain with a desorption temperature that shifts with coverage.

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18

Ellis, Gareth, James Sidaway, and Martin R. S. McCoustra. "Numerical simulation of temperature-programmed reaction data: an application in surface chemical kinetics." Journal of the Chemical Society, Faraday Transactions 94, no. 17 (1998): 2633–37. http://dx.doi.org/10.1039/a803766c.

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19

Prasad, Jagdish, and John L. Gland. "Hydrazine decomposition on a clean rhodium surface: A temperature programmed reaction spectroscopy study." Langmuir 7, no. 4 (1991): 722–26. http://dx.doi.org/10.1021/la00052a021.

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20

Centeno, M. A., J. J. Benítez, P. Malet, I. Carrizosa, and J. A. Odriozola. "In Situ Temperature-Programmed Diffuse Reflectance Infrared Fourier Transform Spectroscopy (TPDRIFTS) of V2O5/TiO2 Catalysts." Applied Spectroscopy 51, no. 3 (1997): 416–22. http://dx.doi.org/10.1366/0003702971940305.

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Temperature-programmed diffuse reflectance infrared Fourier transform spectroscopy (TPDRIFTS) is proposed to follow in situ temperature-programmed reduction (TPR) and temperature-programmed desorption (TPD) experiments of catalytic systems, as a method for observing relationships between the surface structure and the reducibility of the catalyst under the actual reaction conditions. TPDRIFTS studies of desorption and reduction of a conventional V2O5/TiO2 catalyst have been carried out, showing the presence in both processes of four stages. Both desorption and reduction experiments result in si

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21

Bray, J. M., I. J. Skavdahl, J. S. McEwen, and W. F. Schneider. "First-principles reaction site model for coverage-sensitive surface reactions: Pt(111)–O temperature programmed desorption." Surface Science 622 (April 2014): L1—L6. http://dx.doi.org/10.1016/j.susc.2013.12.005.

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22

Chaabouni, Henda, Saoud Baouche, Stephan Diana, and Marco Minissale. "Reactivity of formic acid (HCOOH) with H atoms on cold surfaces of interstellar interest." Astronomy & Astrophysics 636 (April 2020): A4. http://dx.doi.org/10.1051/0004-6361/201936411.

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Context. Formic acid (HCOOH) is the simplest organic carboxylic acid in chemical synthesis and the significant species in interstellar chemistry. HCOOH has been abundantly detected in interstellar ices, dense molecular clouds and star-forming regions. Aims. Laboratory hydrogenation experiments of HCOOH molecules with H atoms were performed with two cryogenic ultra-high vacuum devices on amorphous solid water ices, and highly oriented pyrolytic graphite surfaces. The aim of this work is to study the reactivity of HCOOH molecules with H atoms at low surface temperature 10 K, low surface coverage

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23

Stuchlý, Vladimír, and Karel Klusáček. "Temperature-programmed hydrogenation of surface carbonaceous deposits on a Ni/SiO2 methanation catalyst." Collection of Czechoslovak Chemical Communications 55, no. 2 (1990): 354–63. http://dx.doi.org/10.1135/cccc19900354.

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Hydrogenation of surface carbonaceous deposits from CO disproportionation or methanation on a high-weight loading commercial Ni/SiO2 catalyst was investigated by temperature-programmed surface reaction (TPSR). Two types of surface carbon (Cα and Cβ)were hydrogenated following the CO disproportionation. Adsorbed carbon monoxide was probably hydrogenated after CO methanation. Hydrogenation of Cα proceeded substantially faster than hydrogenation of Cβ and faster than hydrogenation of preadsorbed CO. Significantly lower activation energy was estimated for hydrogenation of Cα than for hydrogenation

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24

Al-Doghachi, Faris A. Jassim, Diyar M. A. Murad, Huda S. Al-Niaeem, Salam H. H. Al-Jaberi, Surahim Mohamad, and Yun Hin Taufiq-Yap. "High Active Co/Mg1-xCex3+O Catalyst: Effects of Metal-Support Promoter Interactions on CO2 Reforming of CH4 Reaction." Bulletin of Chemical Reaction Engineering & Catalysis 16, no. 1 (2021): 97–110. http://dx.doi.org/10.9767/bcrec.16.1.9969.97-110.

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Co/Mg1−XCe3+XO (x = 0, 0.03, 0.07, 0.15; 1 wt% cobalt each) catalysts for the dry reforming of methane (DRM) reaction were prepared using the co-precipitation method with K2CO3 as precipitant. Characterization of the catalysts was achieved by X-ray diffraction (XRD), X-ray fluorescence spectroscopy (XRF), X-ray photoelectron spectroscopy (XPS), temperature programmed reduction (H2-TPR), Brunauer–Emmett–Teller (BET), transmission electron microscopy (TEM), and thermal gravimetric analysis (TGA). The role of several reactant and catalyst concentrations, and reaction temperatures (700–900 °C) on

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25

Pokrovskiy, Valeriy A. "Temperature-Programmed Desorption Mass Spectrometry (TPDMS) of Dispersed Oxides." Adsorption Science & Technology 14, no. 5 (1996): 301–17. http://dx.doi.org/10.1177/026361749601400505.

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Temperature-programmed desorption mass spectrometry (TPDMS) is discussed with reference to studies of modified pyrogenic oxides. Simple theoretical models are presented in order to allow an approximate analytical treatment of TPDMS data. The ‘unimolecular’ decomposition of alkoxide groups was studied. The rate constants of the reactions were derived from TPDMS measurements. The kinetics of thermal transformations of phosphorous and phosphoric acids on a pyrogenic silica surface were investigated by TPDMS. Oxidation–reduction reactions in samples containing phosphorous acid resulted in the remo

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26

Wang, Kai-Ting, Santhanamoorthi Nachimuthu, and Jyh-Chiang Jiang. "Temperature-programmed desorption studies of NH3 and H2O on the RuO2(110) surface: effects of adsorbate diffusion." Physical Chemistry Chemical Physics 20, no. 37 (2018): 24201–9. http://dx.doi.org/10.1039/c8cp02568a.

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27

Bartram, Michael E., and J. Randall Creighton. "GaN CVD Reactions: Hydrogen and Ammonia Decomposition and the Desorption of Gallium." MRS Internet Journal of Nitride Semiconductor Research 4, S1 (1999): 369–74. http://dx.doi.org/10.1557/s109257830000274x.

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Isotopic labeling experiments have revealed correlations between hydrogen reactions, Ga desorption, and ammonia decomposition in GaN CVD. Low energy electron diffraction (LEED) and temperature programmed desorption (TPD) were used to demonstrate that hydrogen atoms are available on the surface for reaction after exposing GaN(0001) to deuterium at elevated temperatures. Hydrogen reactions also lowered the temperature for Ga desorption significantly. Ammonia did not decompose on the surface before hydrogen exposure. However, after hydrogen reactions altered the surface, N15H3 did undergo both re

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28

Chaba, Nattaporn, Sutasinee Neramittagapong, and Arthit Neramittagapong. "Methanol Dehydration to Dimethyl Ether over Silica Derived from Rice Husk as the Component-Based Catalysts." Advanced Materials Research 931-932 (May 2014): 17–21. http://dx.doi.org/10.4028/www.scientific.net/amr.931-932.17.

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Dimethyl Ether (DME) an alternative fuel was synthesized by methanol dehydration over the silica-based catalysts. Silica extracted from both rice husk (A) and rice-husk ash (B) was used as the precursors for preparing the catalysts. The SiO2/Al2O3 and the SAPO catalysts prepared from that silica were analyzed using X-ray diffraction (XRD), N2 adsorption (BET surface area), X-ray fluorescence (XRF), NH3 temperature-programmed desorption (NH3-TPD), and thermal gravimetric analysis (TGA). The effects of reaction temperature on the methanol selectivity and conversion to dimethyl ether were investi

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29

Hunger, B., and J. Hoffmann. "Kinetic analysis of temperature-programmed surface reactions on porous catalysts." Journal of Thermal Analysis 38, no. 4 (1992): 739–48. http://dx.doi.org/10.1007/bf01979404.

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30

Jayamurthy, M., and S. Vasudevan. "Methanol-to-gasoline(MTG)conversion over ZSM-5. A temperature programmed surface reaction study." Catalysis Letters 36, no. 1-2 (1996): 111–14. http://dx.doi.org/10.1007/bf00807214.

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31

Chen, Lin, Qingyu Huang, Duchao Zhang, Weifeng Liu, and Tianzu Yang. "Temperature programmed surface reaction test of Co–Ni bimetallic aerogel catalysts for methane reforming." Reaction Kinetics, Mechanisms and Catalysis 126, no. 2 (2019): 951–62. http://dx.doi.org/10.1007/s11144-018-01531-3.

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32

DIAZ, A., L. GANDIA, J. ODRIOZOLA, and M. MONTES. "Thiophene hydrogenolysis using temperature-programmed surface reaction as a tool to study poison toxicity." Applied Catalysis A: General 132, no. 1 (1995): L1—L7. http://dx.doi.org/10.1016/0926-860x(95)00196-4.

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33

Kocemba, Ireneusz, Justyna Nadajczyk, Jacek Góralski, and M. Szynkowska. "Photoreduction of carbon dioxide with hydrogen using temperature programmed method." Polish Journal of Chemical Technology 12, no. 3 (2010): 1–2. http://dx.doi.org/10.2478/v10026-010-0022-1.

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Photoreduction of carbon dioxide with hydrogen using temperature programmed method The photocatalytic reduction of carbon dioxide with hydrogen was studied by Temperature-Programmed Surface Reaction (TPSR). This process was carried out in a flow reactor that was especially designed and constructed for this purpose. Titanium dioxide (TiO2, Degussa P-25) was used as supports for platinum, ruthenium and nickel catalysts. The experimental results indicated that the activity of photoreduction of CO2 changes as follows: Ru/TiO2 > Ni/TiO2 > = Pt/TiO2 > TiO2.

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34

Sakakini, B. H., and A. S. Verbrugge. "Temperature-programmed surface reaction as a means of characterizing supported-metal catalysts and probing their surface reactivity." Journal of the Chemical Society, Faraday Transactions 93, no. 8 (1997): 1637–40. http://dx.doi.org/10.1039/a607081g.

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35

Mahapatra, Mausumi, and Wilfred T. Tysoe. "Adsorption and reaction pathways of a chiral probe molecule, S-glycidol on a Pd(111) surface." Catalysis Science & Technology 5, no. 2 (2015): 738–42. http://dx.doi.org/10.1039/c4cy00904e.

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The chemistry of S-glycidol is studied on a Pd(111) surface using temperature-programmed desorption and reflection–absorption infrared spectroscopy to explore its suitability as a chiral probe molecule and to follow its reaction pathway.

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36

Kräuter, Jessica, Lars Mohrhusen, Tim Thiedemann, Michael Willms, and Katharina Al-Shamery. "Activation of Small Organic Molecules on Ti2+-Rich TiO2 Surfaces: Deoxygenation vs. C–C Coupling." Zeitschrift für Naturforschung A 74, no. 8 (2019): 697–707. http://dx.doi.org/10.1515/zna-2019-0135.

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AbstractRutile TiO2 is an important model system for understanding the adsorption and conversion of molecules on transition metal oxide catalysts. In the last decades, point defects, such as oxygen vacancies and Ti3+ interstitials, exhibited an important influence on the reaction of oxygen and oxygen-containing molecules on titania surfaces. In brief, partially reduced TiO2 containing a significant amount of Ti3+ is often more active for the conversion of such molecules. In this study, we investigate an even higher reduced surface prepared by argon ion bombardment of a rutile TiO2 (110) single

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37

Zhang, Kai, Yuze Bai, Zhijun Gong, Zengwu Zhao, Baowei Li, and Wenfei Wu. "Surface Properties and Denitrification Performance of Impurity-Removed Rare Earth Concentrate." Materials 13, no. 3 (2020): 580. http://dx.doi.org/10.3390/ma13030580.

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Acid leaching and alkali roasting were used to remove impurities such as Ca and Si in Baiyun Obo rare earth concentrate. The effects of acid–base treatment on the physical and chemical properties of the samples were analyzed by scanning electron microscopy, X-ray diffraction, Brunauer–Emmett–Teller characterization, X-ray photoelectron spectroscopy, H2-temperature-programmed reduction, NH3-temperature-programmed desorption (TPD), and NO-TPD. Results showed that the content of Ce7O12 in the rare earth concentrates increased and the dispersion was uniform. The grains became smaller, the specific

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38

Marsh, Anderson L., and John L. Gland. "Mechanisms of deep benzene oxidation on the Pt(111) surface using temperature-programmed reaction methods." Surface Science 536, no. 1-3 (2003): 145–54. http://dx.doi.org/10.1016/s0039-6028(03)00575-2.

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39

Jayamurthy, M., and S. Vasudevan. "Temperature-Programmed Desorption and Surface Reaction of Thiophene over Co-Mo/.gamma.-Al2O3 hydrodesulfurization Catalysts." Journal of Physical Chemistry 98, no. 27 (1994): 6777–84. http://dx.doi.org/10.1021/j100078a020.

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40

Jayamurthy, M., and S. Vasudevan. "Temperature Programmed Surface Reaction Studies of the Methanol to Gasoline (MTG) Conversion over ZSM-5." Berichte der Bunsengesellschaft für physikalische Chemie 99, no. 12 (1995): 1521–27. http://dx.doi.org/10.1002/bbpc.199500118.

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41

Wang, Chong, Shenglin Liu, Qingxia Wang, and Longya Xu. "Study on the carburizing character of iron catalysts by Temperature Programmed Surface reaction of carburization." Reaction Kinetics and Catalysis Letters 88, no. 1 (2006): 73–79. http://dx.doi.org/10.1007/s11144-006-0112-5.

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42

Kimber, Helen J., Courtney P. Ennis, and Stephen D. Price. "Single and double addition of oxygen atoms to propyne on surfaces at low temperatures." Faraday Discuss. 168 (2014): 167–84. http://dx.doi.org/10.1039/c3fd00130j.

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Experiments designed to simulate the low temperature surface chemistry occurring in interstellar clouds provide clear evidence of a reaction between oxygen atoms and propyne ice. The reactants are dosed onto a surface held at a fixed temperature between 14 and 100 K. After the dosing period, temperature programmed desorption (TPD), coupled with time-of-flight mass spectrometry, are used to identify two reaction products with molecular formulae C<sub>3</sub>H<sub>4</sub>O and C<sub>3</sub>H<sub>4</sub>O<sub>2</sub>. These products result from the addition of a single oxygen atom, or two oxygen

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43

Charisiou, Nikolaos D., Georgios I. Siakavelas, Binlin Dou, et al. "Nickel Supported on AlCeO3 as a Highly Selective and Stable Catalyst for Hydrogen Production via the Glycerol Steam Reforming Reaction." Catalysts 9, no. 5 (2019): 411. http://dx.doi.org/10.3390/catal9050411.

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In this study, a critical comparison between two low metal (Ni) loading catalysts is presented, namely Ni/Al2O3 and Ni/AlCeO3 for the glycerol steam reforming (GSR) reaction. The surface and bulk properties of the catalysts were evaluated using a plethora of techniques, such as N2 adsorption/desorption, Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP–AES), X-ray Diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS), Scanning Electron Microscopy / Energy Dispersive X-Ray Spectroscopy (SEM/EDX, Transmission Electron Microscopy (TEM), CO2 and NH3– Temperature Programmed Desorptio

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44

Minachev, Kh M., K. P. Kotyaev, G. I. Lin, and A. Y. Rozovskii. "Temperature-programmed surface reactions of methanol on commercial Cu-containing catalysts." Catalysis Letters 3, no. 4 (1989): 299–307. http://dx.doi.org/10.1007/bf00766067.

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45

Baek, Seo-Hyeon, Kyunghee Yun, Dong-Chang Kang, et al. "Characteristics of High Surface Area Molybdenum Nitride and Its Activity for the Catalytic Decomposition of Ammonia." Catalysts 11, no. 2 (2021): 192. http://dx.doi.org/10.3390/catal11020192.

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High surface area (>170 m2 g−1) molybdenum nitride was prepared by the temperature-programmed nitridation of α-MoO3 with pure ammonia. The process was optimized by adjusting the experimental variables: the reaction temperature, heating rate, and molar flow rate of ammonia. The physicochemical properties of the as-formed molybdenum nitride were characterized by X-ray diffraction, N2 sorption, transmission electron microscopy, temperature-programmed oxidation/reduction, and X-ray photoelectron spectroscopy. Of the experimental variables, the nitridation temperature was found to be the most cr

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46

Zabihi, Vahid, Mohammad Hasan Eikani, Mehdi Ardjmand, Seyed Mahdi Latifi, and Alireza Salehirad. "Selective catalytic reduction of NO by Co-Mn based nanocatalysts." International Journal of Chemical Reactor Engineering 19, no. 5 (2021): 533–40. http://dx.doi.org/10.1515/ijcre-2020-0240.

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Abstract One of the most significant aspects in selective catalytic reduction (SCR) of nitrogen oxides (NOx) is developing suitable catalysts by which the process occurs in a favorable way. At the present work SCR reaction by ammonia (NH3-SCR) was conducted using Co-Mn spinel and its composite with Fe-Mn spinel, as nanocatalysts. The nanocatalysts were fabricated through liquid routes and then their physicochemical properties such as phase composition, degree of agglomeration, particle size distribution, specific surface area and also surface acidic sites have been investigated by X-ray diffra

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47

Zhou, Chen Liang, Quan Sheng Liu, Yang Li, et al. "Influence of Pyrolysis Temperature on the Gaseous Products of Lignite." Advanced Materials Research 524-527 (May 2012): 883–86. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.883.

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Temperature-programmed pyrolysis of SL-lignite from Xilinhaote was investigated. The solid and gaseous pyrolysates were analyzed by means of gas chromatography(GC) and X-ray diffraction(XRD). The weight percents of surface moisture, ash, C, H and S increase with increasing the pyrolysis temperature in solid pyrolysates, while the volatile matter is contrary. The cracking reaction occurs before 600°C, the consolidation reaction happens between 600°C and 650°C, while the polycondensation or secondary reaction appears after 650°C. Calcium sulfide is formed by the process of decomposition of calci

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48

Borfecchia, Elisa, Chiara Negri, Kirill A. Lomachenko, Carlo Lamberti, Ton V. W. Janssens, and Gloria Berlier. "Temperature-dependent dynamics of NH3-derived Cu species in the Cu-CHA SCR catalyst." Reaction Chemistry & Engineering 4, no. 6 (2019): 1067–80. http://dx.doi.org/10.1039/c8re00322j.

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In situ XAS and UV-vis–NIR spectroscopy shed light on Cu-speciation during NH<sub>3</sub> temperature-programmed desorption and surface reaction (TPSR) over a commercial Cu-chabazite deNO<sub>x</sub> catalyst, expanding the fundamental knowledge required to unravel the NH<sub>3</sub>-SCR mechanism across the whole operation-relevant temperature range.

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Lee, So Yeon, Yong Kul Lee, S. Ted Oyama, Seok Hee Lee, and Hee Chul Woo. "Preparation of Silica-Supported Nickel Molybdenum Phosphides by Temperature-Programmed Reduction Technique." Solid State Phenomena 124-126 (June 2007): 1765–68. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.1765.

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Silica supported nickel molybdenum phosphides (NiMoP/SiO2) were successfully prepared by temperature-programmed reduction (TPR) reaction of phosphorous-impregnated nickel molybdenum oxides (NiMoO4) precursors with hydrogen at relatively low temperatures (530 – 590 oC) and characterized by Fourier transform-Infrared spectrometry (FT-IR), X-ray diffraction (XRD), Electron probe microanalysis (EPMA) and Temperature-programmed reduction reaction (TPR). The process of solid transformation and properties of materials prepared from ammonium hydrogen phosphate (AMP)-impregnated samples were compared w

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Yu, Lei, Min Song, Yuexing Wei та Jun Xiao. "Combining Carbon Fibers with Ni/γ–Al2O3 Used for Syngas Production: Part A: Preparation and Evaluation of Complex Carrier Catalysts". Catalysts 8, № 12 (2018): 658. http://dx.doi.org/10.3390/catal8120658.

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To promote the adsorption and activation of carbon dioxide in the dry reforming of methane (DRM), Ni and Al2O3 were coprecipitated on activated carbon fibers (ACF). Various characterization methods were adopted in order to investigate the surface characteristics of different catalysts. Chemisorption characterization results, such as H2-temperature programmed reduction (H2-TPR), H2-temperature programmed desorption (H2-TPD), and CO2-temperature programmed desorption (CO2-TPD) illustrated that ACF in a nickel-based catalyst could enhance the basic sites and improve the metal dispersion on a cata

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