Experimental Methods in Kinetic Studies

ISBN: 9780444513144 出版年：2003 页码：323 Wojciechowski, Bohdan Rice, Norman Elsevier Science_RM

Reactor types and their characteristics: a broad classification of reactor types the batch reactor the plug flow reactor the continuously stirred tank reactor other reactor types general thoughts on reactor configurations. Collecting data under isothermal operation: collecting raw data data processing and evaluation methods converting from concentrations to mole fractions calculating reaction rates. Using kinetic data in reaction studies: the rate expression formulating kinetic rate expressions formulating elementary rate expressions identifying the region of kinetic rate control formulating mechanistic rate expressions uses of the mechanistic rate expression. Difficulties with mechanistic rate expressions: problems of parameter scaling the catalytic rate expression the integral method of data interpretation caveat. The theory of temperature scanning operation: the fundamentals operating a temperature scanning reactor application to various reactor types temperature scanning batch reactor temperature scanning plug flow reactor temperature scanning continuously stirred tank reactor the temperature scanning stream swept reactor advanced scanning modes flow scanning modes a simplified method of temperature scanning interpreting TSR data using integrated rate expressions the future of temperature scanning. Verification of kinetic dominance: reaction rates - identifying extraneous effects testing for non-chemical influences catalyst instabilities a suggestion. Processing of data: transforming analytical results for data fitting calculating fractional conversion dealing with noise in experimental data data fitting suggested procedures for data clean-up a quick review of matrix operations in mass balancing. Fitting rate expressions to TSR data: fitting rate expressions to experimental data optimization algorithms summary of optimization methods choosing a data fitting procedure. Interpretation of rate parameters: the parameters involved in rate expressions the fundamental constraints on activation energies fundamental constraints on frequency factors frequency factors and activation energies in mechanisms fundamental constraints on heat of adsorption fundamental constraints on the entropy of adsorption experimental rate parameters in catalytic reactions understanding rate parameters. Statistical evaluation of multiparameter fits: the parity plot a list of suggested procedures for data fitting. Experimental studies using TSR methods: applications of temperature scanning reactors the oxidation of carbon monoxide steam reforming of methanol the hydrolysis of acetic anhydride variants on the methods of data interpretation experimental issues in TSR operation. Using a mechanistic rate expression: a plan of action maximizing the conversion of carbon monoxide designing catalysts to improve performance a view of the future of kinetic studies in catalyst development. TSR hardware configurations.