Kinetic equations for non-Markovian processes with pearson distributions

Using a fluidized bed reactor, experiments on glucose decomposition with and without sulfate reduction were conducted. Glucose in the reactor was mainly decomposed into lactate and ethanol. Lactate was mainly decomposed into propionate and acetate, while ethanol was decomposed into propionate, acetate, and hydrogen. Sulfate reduction was not involved in the decomposition of glucose, lactate, and ethanol, but was related to propionate and acetate decomposition. The stepwise reactions were modeled using either a Monod expression or first order reaction kinetics in respect to the reactions. The coefficients of the kinetic equations were determined experimentally. The modified Monod and first order reaction equations were effective at predicting concentrations of glucose, lactate, ethanol, propionate, acetate, and sulfate along the beight of the reactor. With sulfate reduction, propionate was decomposed into acetate, while without sulfate reduction, accumulation of propionate was observed in the reactor. Sulfate reduction accelerated propionate conversion into acetate by decreasing the hydrogen concentration.

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Numerical Method for Solving a System of Kinetic Equations Describing the Behavior of a Nonideal Gas

Computational Mathematics and Mathematical Physics ◽

10.1134/s096554252009002x ◽

2020 ◽

Vol 60 (9) ◽

pp. 1488-1498

Author(s):

M. V. Abgaryan ◽

A. M. Bishaev ◽

V. A. Rykov

Keyword(s):

Numerical Method ◽

Kinetic Equations ◽

Nonideal Gas

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Reesterification of ethyl acetate by propanol catalysed by glycidyl methacrylate copolymers containing sulphonic acid groups

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc19811941 ◽

1981 ◽

Vol 46 (8) ◽

pp. 1941-1946 ◽

Cited By ~ 2

Author(s):

Karel Setínek

Keyword(s):

Liquid Phase ◽

Ethyl Acetate ◽

Kinetic Study ◽

Gas Phase ◽

Nonlinear Regression ◽

Kinetic Data ◽

Glycidyl Methacrylate ◽

Kinetic Equations ◽

Methacrylate Copolymers ◽

Styrene Divinylbenzene

A series of differently crosslinked macroporous 2,3-epoxypropyl methacrylate-ethylenedimethacrylate copolymers with chemically bonded propylsulphonic acid groups were used as catalysts for the kinetic study of reesterification of ethyl acetate by n-propanol in the liquid phase at 52 °C and in the gas phase at 90 °C. Analysis of kinetic data by the method of nonlinear regression for a series of equations of the Langmuir-Hinshelwood type showed that kinetic equations which describe best the course of the reaction are the same as for the earlier studied sulphonated macroporous styrene-divinylbenzene copolymers. Compared types of catalysts differ, however, in the dependence of their activity on the degree of crosslinking of the copolymer used.

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