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- W2607996064 abstract "Cracking gasification of the petroleum residue toward expected gas and light oil products is catalyzed in a fluidized bed reactor using calcium aluminate (C12A7) and Mn-modified C12A7 as the bifunctional catalysts. The performances of the reaction temperature and Mn-modified C12A7 catalysts on the product distribution for the vacuum residue cracking are studied. The results showed that ethylene, propylene, and butylene are the primary products of the petroleum residue cracking over C12A7, reflected in the C2–C4 olefinicity of 63.4% at 650 °C with catalyst/oil of 7.0. For Mn-modified C12A7 catalysts, the C2–C4 olefinicity of the 0.4 wt % Mn/C12A7 catalyst is increased to 66.9%, while that of 1.0 and 2.0 wt % Mn/C12A7 catalysts is decreased to 40.1 and 25.1%, respectively. Besides, the C4–C5 hydrocarbon yield is increased from about 3.0 wt % over C12A7 and 0.4 wt % Mn/C12A7 catalysts to approximately 11.5 wt % over 1.0 and 2.0 wt % Mn/C12A7 catalysts. This indicated a technical feasibility for adjusting the product distribution using Mn-modified C12A7 catalysts. Moreover, the Mn-modified catalysts showed proper residue cracking activity to allow for both the expected light liquid yield of about 50 wt % and the heavy oil conversion ratio of up to 92.0 wt %. Steam gasification of coke on C12A7 and Mn-modified C12A7 catalysts resulted in the syngas products containing H2 and CO2 contents of about 58.0 and 24.0 vol %, respectively. Furthermore, the possibility of circulating the modified C12A7 catalyst in the vacuum residue cracking gasification process is also verified." @default.
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- W2607996064 date "2017-05-10" @default.
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- W2607996064 title "Adjustment of the Product Distribution over a Bifunctional Ca<sub>12</sub>Al<sub>14</sub>O<sub>33</sub>-Supported MnO<sub><i>x</i></sub> Catalyst from Cracking Gasification of the Petroleum Residue" @default.
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- W2607996064 doi "https://doi.org/10.1021/acs.energyfuels.7b00600" @default.
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