Academic literature on the topic 'MnOx-CeO2 mixed oxides'

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Journal articles on the topic "MnOx-CeO2 mixed oxides"

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Gao, Yuxi, Xiaodong Wu, Shuang Liu, Duan Weng, and Rui Ran. "MnOx–CeO2 mixed oxides for diesel soot oxidation: a review." Catalysis Surveys from Asia 22, no. 4 (2018): 230–40. http://dx.doi.org/10.1007/s10563-018-9255-4.

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Lee, Eun Jun, Min June Kim, Jin Woo Choung, Chang Hwan Kim, and Kwan-Young Lee. "NOx-assisted soot oxidation based on Ag/MnOx-CeO2 mixed oxides." Applied Catalysis A: General 627 (October 2021): 118396. http://dx.doi.org/10.1016/j.apcata.2021.118396.

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Gao, Yuxi, Baofang Jin, Xiaodong Wu, Zhenguo Li, Rui Ran та Duan Weng. "Co-Precipitated Mn0.15Ce0.85O2−δ Catalysts for NO Oxidation: Manganese Precursors and Mn-Ce Interactions". Processes 10, № 12 (2022): 2562. http://dx.doi.org/10.3390/pr10122562.

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Two Mn0.15Ce0.85O2−δ mixed oxides were synthesized by a co-precipitation method using Mn(NO3)2 and KMnO4 as the manganese precursors, respectively. Structural analyses by X-ray powder diffraction and Raman spectroscopy reveal the formation of MnOx-CeO2 solid solutions. The Mn0.15Ce0.85O2−δ catalyst prepared from the high-valent manganese precursor exhibits higher activity for the catalytic oxidation of NO. The advantage of KMnO4 is related to the improved redox property of the catalyst as supported by H2 temperature-programmed reduction (TPR) and O2 temperature-programmed desorption (TPD). The
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La Greca, Eleonora, Tamara S. Kharlamova, Maria V. Grabchenko, et al. "Influence of Y Doping on Catalytic Activity of CeO2, MnOx, and CeMnOx Catalysts for Selective Catalytic Reduction of NO by NH3." Catalysts 13, no. 5 (2023): 901. http://dx.doi.org/10.3390/catal13050901.

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Novel yttrium-doped CeO2, MnOx, and CeMnOx composites are investigated as catalysts for low-temperature NH3-SCR. The study involves the preparation of unmodified oxide supports using a citrate method followed by modification with Y (2 wt.%) using two approaches, including the one-pot citrate method and incipient wetness impregnation of undoped oxides. The NH3-SCR reaction is studied in a fixed-bed quartz reactor to test the ability of the prepared catalysts in NO reduction. The gas reaction mixture consists of 800 ppm NO, 800 ppm NH3, 10 vol.% O2, and He as a balance gas at a WHSV of 25,000 mL
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Weiman, Li, Liu Haidi, and Chen Yunfa. "Mesoporous MnOx–CeO2 composites for NH3-SCR: the effect of preparation methods and a third dopant." RSC Advances 9, no. 21 (2019): 11912–21. http://dx.doi.org/10.1039/c9ra00731h.

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In this study, an optimal oxalate route was used to obtain nickel/cobalt doped MnOx–CeO<sub>2</sub> mixed oxides. Nickel doped MnOx–CeO<sub>2</sub> showed excellent NH<sub>3</sub>-SCR activity and H<sub>2</sub>O + SO<sub>2</sub> resistance.
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Tikhomirov, Kirill, Oliver Kröcher, Martin Elsener, and Alexander Wokaun. "MnOx-CeO2 mixed oxides for the low-temperature oxidation of diesel soot." Applied Catalysis B: Environmental 64, no. 1-2 (2006): 72–78. http://dx.doi.org/10.1016/j.apcatb.2005.11.003.

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Lin, Xueting, Shujun Li, Hui He, et al. "Evolution of oxygen vacancies in MnOx-CeO2 mixed oxides for soot oxidation." Applied Catalysis B: Environmental 223 (April 2018): 91–102. http://dx.doi.org/10.1016/j.apcatb.2017.06.071.

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Wu, Xiaodong, Shuang Liu, Duan Weng, Fan Lin, and Rui Ran. "MnOx–CeO2–Al2O3 mixed oxides for soot oxidation: Activity and thermal stability." Journal of Hazardous Materials 187, no. 1-3 (2011): 283–90. http://dx.doi.org/10.1016/j.jhazmat.2011.01.010.

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Liu, Rong, Yi Fan Xu, Fei Ye, Ling Chen Ji, Hao Guan, and Ming Yang. "Low-Temperature Selective Catalytic Reduction with NH3 over MnOx-CeO2 Catalysts Supported on Nano Tetragonal Zirconia." Materials Science Forum 852 (April 2016): 293–99. http://dx.doi.org/10.4028/www.scientific.net/msf.852.293.

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The MnOx-CeO2/t-ZrO2 catalyst was prepared by impregnation with nano t-ZrO2 as the support. The influence of active component and reaction temperature on denitration performance of catalyst was investigated. The results showed that denitration efficiency improved as active component increased and reaction temperature rose. The denitration efficiency of 2.5% MnOx-CeO2/t-ZrO2 at 100°C was 68.1% while 15% MnOx-CeO2/t-ZrO2 was 97.4%. The results of XRD, BET and H2-TPR showed that surface structure of loaded catalyst was good for oxidation-reduction and denigration. NH3-TPD test demonstrated that N
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Han, Xuewang, Chaoqun Li, Xiaohui Liu, Qineng Xia, and Yanqin Wang. "Selective oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over MnOx–CeO2 composite catalysts." Green Chemistry 19, no. 4 (2017): 996–1004. http://dx.doi.org/10.1039/c6gc03304k.

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Non-noble metal catalysts, MnO<sub>x</sub>–CeO<sub>2</sub> mixed oxides, were prepared by a co-precipitation method and used in the direct aerobic oxidation of HMF to FDCA, showing excellent catalystic activity and stability.
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Dissertations / Theses on the topic "MnOx-CeO2 mixed oxides"

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Benadda, Amel, Amar Djadoun, Hafida Guessis, and Akila Barama. "Effect of the Preparation Method on the Structural and Catalytic Properties of MnOx-CeO2 Manganese Cerium Mixed Oxides." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35257.

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MnOx-CeO2 catalysts (molar ratio Mn/Ce 1) were prepared using two methods: co-precipitation and citrate methods. The prepared solids were calcined at 500°C, and characterized by XRD, nitrogen adsorp-tion-desorption technique and SEM morphological, they were, then, tested in the toluene combustion reac-tion. The catalytic performances of the prepared solids were evaluated in the temperature range 150-400°C. The XRD analysis of the two solids showed that the only crystalline phase detected is cerium oxide. BET surface area measurements showed that the incorporation of manganese led to an increas
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