Добірка наукової літератури з теми "Dibenzothiophene HDS"
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Статті в журналах з теми "Dibenzothiophene HDS":
Licea, Yordy E., Sandra L. Amaya, Adriana Echavarría, Jefferson Bettini, Jean G. Eon, Luz A. Palacio, and Arnaldo C. Faro. "Simultaneous tetralin HDA and dibenzothiophene HDS reactions on NiMo bulk sulphide catalysts obtained from mixed oxides." Catal. Sci. Technol. 4, no. 5 (2014): 1227–38. http://dx.doi.org/10.1039/c3cy00801k.
LEDOUX, M. "Correlation between low-pressure thiophene HDS and high-pressure dibenzothiophene HDS." Journal of Catalysis 121, no. 1 (January 1990): 70–76. http://dx.doi.org/10.1016/0021-9517(90)90217-8.
Pawelec, B. "HDS of dibenzothiophene over polyphosphates supported on mesoporous silica." Journal of Catalysis 223, no. 1 (April 1, 2004): 86–97. http://dx.doi.org/10.1016/j.jcat.2004.01.018.
Sollner, Jacob, D. F. Gonzalez, J. H. Leal, T. M. Eubanks, and J. G. Parsons. "HDS of dibenzothiophene with CoMoS2 synthesized using elemental sulfur." Inorganica Chimica Acta 466 (September 2017): 212–18. http://dx.doi.org/10.1016/j.ica.2017.06.028.
Al-Rashidy, Ahmad H., Syed A. Ali, Shakeel Ahmed, Shaikh A. Razzak, and Mohammad M. Hossain. "Phenomenological kinetics modeling of simultaneous HDS of dibenzothiophene and substituted dibenzothiophene over CoMoP/Al2O3 catalysts." Chemical Engineering Research and Design 104 (December 2015): 819–27. http://dx.doi.org/10.1016/j.cherd.2015.10.001.
Gheni, Saba A., Saad A. Awad, Safaa M. R. Ahmed, Ghassan H. Abdullah, and Muthanah Al Dahhan. "Nanoparticle catalyzed hydrodesulfurization of diesel fuel in a trickle bed reactor: experimental and optimization study." RSC Advances 10, no. 56 (2020): 33911–27. http://dx.doi.org/10.1039/d0ra05748g.
Tanimu, Abdulkadir, Saheed A. Ganiyu, Sagir Adamu, and Khalid Alhooshani. "Synthesis, application and kinetic modeling of CeOx–Si–CoMo catalysts for the hydrodesulfurization of dibenzothiophene." Reaction Chemistry & Engineering 4, no. 4 (2019): 724–37. http://dx.doi.org/10.1039/c8re00330k.
Lara, Gerardo, José Escobar, José A. De Los Reyes, María C. Barrera, José A. Colín, and Florentino R. Murrieta. "Dibenzothiophene HDS Over Sulphided CoMo on High-Silica USY Zeolites." Canadian Journal of Chemical Engineering 83, no. 4 (May 19, 2008): 685–94. http://dx.doi.org/10.1002/cjce.5450830409.
Grossman, M. J., M. K. Lee, R. C. Prince, V. Minak-Bernero, G. N. George, and I. J. Pickering. "Deep Desulfurization of Extensively Hydrodesulfurized Middle Distillate Oil by Rhodococcus sp. Strain ECRD-1." Applied and Environmental Microbiology 67, no. 4 (April 1, 2001): 1949–52. http://dx.doi.org/10.1128/aem.67.4.1949-1952.2001.
Albiter, M. A., R. Huirache-Acuña, F. Paraguay-Delgado, J. L. Rico, and G. Alonso-Nuñez. "Synthesis of MoS2nanorods and their catalytic test in the HDS of dibenzothiophene." Nanotechnology 17, no. 14 (June 20, 2006): 3473–81. http://dx.doi.org/10.1088/0957-4484/17/14/020.
Дисертації з теми "Dibenzothiophene HDS":
Kokliukhin, Aleksandr. "Catalyseurs sulfures (Ni)MoW massiques et supportés, préparés à partir d'hétéropolyacides mixtes de Keggin H4SiMonW12-nO40, pour l'hydrotraitement des coupes lourdes." Electronic Thesis or Diss., Université de Lille (2018-2021), 2021. http://www.theses.fr/2021LILUR024.
Refiners have to face the strengthening of environmental requirements for the sulfur content in fuels together the use of heavier crude oil for producing market fuels using hydrotreatment catalytic processes. One of the approaches to improve catalytic activity is the development of bulk and supported ternary NiMoW sulfide catalysts following the recent introduction of industrial mixed bulk NiMoW catalysts NEBULA and Celestia. Previously, for supported alumina catalysts, the use of mixed precursors, H4SiMo1W11O40 and H4SiMo3W9O40 Keggin heteropyacids, has shown a better positive effect on the formation of a highly active mixed MoWS phase than the use of two corresponding monometallic H4SiMo12O40 and H4SiMo12O40 precursors. In this study, a new protocol for the synthesis of mixed Keggin-type H4SiMonW12-nO40 precursors with n = 6 and 9 has been developed. The new compounds were characterized by IR and Raman spectroscopy, as well as single-crystal XRD. Bulk and supported hydrotreating catalysts based on the whole series of H4SiMonW12-nO40 HPAs were synthesized. The influence of the atomic Mo/(Mo+W) ratio on the composition and structure of the active phase and its effect on the catalytic activity of unpromoted alumina supported catalysts in model hydrotreating reactions (hydrodesulfurization of dibenzothiophene and hydrogenation of naphthalene) were studied in detail. It was found that for an atomic Mo/(Mo+W) ratio equal to 0.25 and 0.5, the structure of the active phase under gas-phase sulfidation conditions is a core-shell structure, according to HAADF. A further increase in the molybdenum content up to 0.75 leads to disordering of the active phase structure, which has a negative effect on the catalytic activity. In contrast, for the catalysts obtained from a mixture of monometallic H4SiMo12O40 and H4SiMo12O40 HPAs, the active phase consisted mainly of monometallic MoS2 and WS2 crystallites, regardless of the atomic Mo/(Mo+W) ratio, as a result of which the catalysts showed lower activity compared to the samples prepared from mixed HPAs.The study of the influence of atomic Mo/(Mo+W) ratio for Ni-promoted systems, under the liquid-phase sulfidation in order to be as close as possible to industrial conditions, is also reported. It was shown that the introduction of Ni does not prevent the formation of a mixed MoWS active phase, which was confirmed by HAADF and EXAFS. Moreover, testing in the presence of a nitrogen-containing component made it possible to further study the inhibition on catalytic reactions. It was found that tungsten-rich NiMoW/Al2O3 catalysts are more resistant to the action of nitrogen-containing compounds indicating that the choice of the catalyst composition should be adapted to the composition of the processed feedstock.The use of acid (HF) etching of the alumina support made it possible to obtain from sulfided MonW12-n/Al2O3 samples bulk MoWS catalysts with an active phase concentration of more than 90%. ToF-SIMS and EXAFS showed that the mixed MoWS2 phase is present both in the catalysts synthesized from the mixed HPAs and in the samples obtained from the mixture of two HPAs. However, the concentration of mixed sulfides in the first case is much higher, due to the fact that mixed crystallites have already been formed, whereas in the case of a mixture of two HPAs, a mixed phase is formed as a result of the sintering of particles during re-sulfidation. The high concentration of mixed sulfides made it possible to provide a higher activity of catalysts in model reactions.Replacing alumina with mesostructured silica made it possible to increase the activity of unpromoted MoW catalysts. At the same time, similar values of the degree of sulfidation and dispersion, as well as the results of catalytic tests, seem to indicate that the formation of mixed MoWS2 phase does not occur on this type of supports, which requires additional research to be confirmed
Hynaux, Amélie. "Synthèse et caractérisation de carbures de molybdène supportés sur composite de noir de carbone mésoporeux : application en hydrodésulfuration du dibenzothiophène et en hydrodésazotation de l'indole." Paris 6, 2005. http://www.theses.fr/2005PA066096.
Частини книг з теми "Dibenzothiophene HDS":
Luis, M. A., A. Rives, R. Hubaut, B. P. Embaid, F. Gonzalez-Jimenez, and C. E. Scott. "HDS of dibenzothiophene and vanadyl porphyrin HDP on bulk Fe-Mo mixed sulphides." In Studies in Surface Science and Catalysis, 203–10. Elsevier, 1999. http://dx.doi.org/10.1016/s0167-2991(99)80410-8.
Farag, Hamdy, and Masahiro Kishida. "Kinetic Models for Complex Parallel–Consecutive Reactions Assessment of Reaction Network and Product Selectivity." In Petrochemical Catalyst Materials, Processes, and Emerging Technologies, 330–51. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9975-5.ch012.
Wang, Zhoujun, Pingyi Wu, Ling Lan, and Shengfu Ji. "Preparation, Characterization and Desulfurization of the Supported Nickel Phosphide Catalysts." In Petrochemical Catalyst Materials, Processes, and Emerging Technologies, 431–58. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9975-5.ch015.
Farag, Hamdy, Isao Mochida, and Kinya Sakanishi. "H2S and Aromatic Effects on Hydrodesulfurization of Dibenzothiophenes over C0M0/C Catalyst." In Chemistry of Diesel Fuels, 123–38. CRC Press, 2020. http://dx.doi.org/10.1201/9781003075455-6.
Bhutto, Abdul Waheed, Rashid Abro, Tauqeer Abbas, Guangren Yu, and Xiaochun Chen. "Desulphurization of Fuel Oils Using Ionic Liquids." In Petrochemical Catalyst Materials, Processes, and Emerging Technologies, 254–84. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9975-5.ch010.
"Atroposelective Reactions." In Chirality from Dynamic Kinetic Resolution, 243–81. The Royal Society of Chemistry, 2011. http://dx.doi.org/10.1039/bk9781849731973-00243.
Тези доповідей конференцій з теми "Dibenzothiophene HDS":
zhang, jingcheng, jinjian zhu, xiaxia yang, Zihan Li, jun nan, Guoliang Song, Haibin Yu, and Baoqi Liu. "Study on titanium modification effect for dibenzothiophene HDS performance over NiMo catalyst for clean fuel production." In 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), edited by Jinghong Zhou and Ishak Bin Aris. SPIE, 2024. http://dx.doi.org/10.1117/12.3015207.