首页|Simulation of gas-solid fluidized bed reactor for F-T synthesis
Simulation of gas-solid fluidized bed reactor for F-T synthesis
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Using the lumping method, OH4, C3H8, C10H22, and C22H44 were chosen as the model products, and CO as the key component. The mathematical model of a gas-solid fluidized bed reactor was established based on some hypotheses. The consumption ki-netic model of CO was investigated, and the parameters were estimated by Universal Global Optimization with the Marquardt method. Residual error distribution and a statistical test show that the intrinsic kinetic models are reliable and acceptable. A model of carbon chain growth probability was established in terms of experiments. Coupled with the An-der-son- Schulz-Flory (ASF) distribution, the amount of specific product could be obtained. Large- scale cold model experiments were conducted to investigate the distribution of the gas (solid) phase and determine the function of the voidage with the location of the cata-lytic bed. The change tendencies of the components in the catalytic bed at different tem-peratures were computed and figured out. The calculated value computed by the model established for the Fe-based F-T synthesis catalyst fit the experimental value very well under the same operating conditions, and all the absolute values of the relative deviations are less than 5%.
CAI Jin、LI Tao、SUN Qi-wen、YING Wei-yong、FANG Ding-ye
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Engineering Research Center of Large Scale Reactor Engineering and Technology, Ministry of Education, State Key Lab-oratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
State Key Laboratory of Coal Liquefaction and Coal Chemical Technology, Shanghai 201203, China
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