Method for Determining the Rate Constants of Chemical Reaction Stages in an Enclosed Gradientless Reactor

摘要

A method is described for determining the rate constants of the stages of chemical reactions occurring in an enclosed isothermal gradientless reactor based on non-stationary data. The method is based on the description of the relaxation features of various sections of non-stationary experimental dependences of reagent concentrations using continuous smooth curves (time splines) at all experimental points. This approach makes it possible to calculate the concentrations of reagents and the instantaneous rates of their change at any time points with an accuracy not exceeding the error in measuring reagent concentrations. This method was used to determine the rate constants of the stages and the intervals of their possible changes for the reaction of hydroalumination of olefins. The stability of the method was checked by changing the measurement errors of reagent concentrations (noise).