抄録
To establish an explicit method of estimating the effectiveness factor of a nonisothermal catalyst particle including intraparticle and interphase transport effects, the mass and heat transfer coefficients at gas-solid interphase are expressed as functions of temperature, composition, and mass velocity of the gas phase, taking the CO-H2-CH4-H2O system as a typical example. The system equations at steady state of the catalytic methanation of carbon monoxide with Langmuir-Hinshelwood kinetics are solved by the orthogonal collocation method. Effects of temperature, particle size, and the number of collocation points on the precision of the solution are studied in detail. The results are confirmed in comparison with those obtained by Weisz and Hicks'' method.
