92-51-3Relevant articles and documents
Hawkes,G.E. et al.
, p. 1709 - 1716 (1976)
Hydrogenation of biphenyl and isomeric terphenyls over a Pt-containing catalyst
Kalenchuk,Koklin,Bogdan,Kustov
, p. 1208 - 1212 (2017)
Catalytic hydrogenation of benzene, biphenyl, and ortho-, metha-, and para-isomers of terphenyl over a 3 wt.% Pt/C at 180 °C and 70 atm was studied. The directions of hydrogenation of each substrate were revealed. Relationships between structures of the substrate and hydrogen consumption rates were found. It was shown that hydrogenation rate decreases on going from benzene to terphenyl and with increasing degree of the substrate hydrogenation. Hydrogenation rate of terphenyl isomers decreases in the following order: p-terphenyl > > m-terphenyl > o-terphenyl.
ArF Excimer Laser-induced Selective Coupling of Cycloalkanes: Photochemical Reaction at the Absorption Edge
Ouchi, Akihiko,Yabe, Akira,Inoue, Yoshihisa,Daino, Yoshihiko,Hakushi, Tadao
, p. 1669 - 1671 (1989)
Bicycloalkyls were selectively produced from the corresponding liquid phase cycloalkanes by irradiation at their absorption edge with ArF excimer laser; the photoreaction proceeded by a radical mechanism and showed a dependence of the dimerization rate on ring size.
Supported Pt-Ni bimetallic nanoparticles catalyzed hydrodeoxygenation of dibenzofuran with high selectivity to bicyclohexane
Wu, Pengyu,Cai, Chun
supporting information, p. 234 - 238 (2021/07/10)
Catalytic hydrodeoxygenation (HDO) is one of the most effective methods to upgrade the oxygen-containing compounds derived from coal tar to valuable hydrocarbons. Herein, an efficient bimetallic catalyst Pt1Ni4/MgO was prepared and applied in the HDO of dibenzofuran (DBF). High yield (95%) of the desired product bicyclohexane (BCH) was achieved at 240 °C and 1.2 MPa of H2. Superior catalytic performance could be ascribed to the “relay catalysis” of Pt sites and Ni sites, and the reaction pathway is proposed as well. Scale-up experiment and recyclability test were also performed, which demonstrated the recyclability and promising potential application of Pt1Ni4/MgO.
The use of inorganic Al-HMS as a support for NiMoW sulfide HDS catalysts
Alonso-Nú?ez, G.,Huirache-Acu?a, R.,Maya-Yescas, R.,Pawelec, B.,Rivera-Mu?oz, E. M.,Vázquez, P. J.,Zepeda, T. A.
, (2021/05/27)
Inorganic hexagonal mesoporous silica (HMS) and aluminum modified HMS materials (Al-HMS) were prepared and used as supports of transition metal sulfide hydrodesulfurization (HDS) catalysts based on nickel, molybdenum, and tungsten as active phase. The samples were characterized with XRD, HRTEM, TPD, N2 physisorption and UV–Vis. The catalytic activity of the trimetallic catalysts was performed in the HDS of dibenzothiophene (DBT). When Al was incorporated into the inorganic support, important changes and effects were observed on the physicochemical properties. On the other hand, the incorporation of Al into the HMS led to a decrease in the reaction rate (k) and a trend toward a direct path of desulfurization was observed for all materials.
HYDRODESULFURIZATION CATALYST WITH A ZEOLITE-GRAPHENE MATERIAL COMPOSITE SUPPORT AND METHODS THEREOF
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Paragraph 0152; 0162, (2021/01/29)
A hydrodesulfurization catalyst, which includes (i) a catalyst support including a zeolite doped with 0.1 to 0.5 wt. % of a graphene material, based on a total weight of the catalyst support, (ii) 5 to 20 wt. % of molybdenum, based on a total weight of the hydrodesulfurization catalyst, and (iii) 1 to 6 wt. % of a promoter selected from the group consisting of cobalt and nickel, based on a total weight of the hydrodesulfurization catalyst. The molybdenum and the promoter are homogeneously disposed on the catalyst support. A method of producing the hydrodesulfurization catalyst via incipient wetness impregnation techniques, and a method for desulfurizing a hydrocarbon feedstock with the hydrodesulfurization catalyst are also provided.
