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Abstrakty
The objectives of the research were to study the mechanism and reaction kinetics of wet air oxidation oft the activated sludge. The effect of temperature, oxygen partial pressure and the concentration of substrates on the reaction rate was measured. On the basis of the experimental data, the scheme of the reaction pathway was discussed and the kinetic model of this process, which consists of the concentration of the solid phase and the rest of the parameters, was proposed. The special techniques of optimization were applied to calculate the kinetic parameters of this model, e.g. activation energy, the prepotential coefficient of the Arrhenius' equation and reaction order.
Czasopismo
Rocznik
Tom
Strony
16--19
Opis fizyczny
Bibliogr. 17 poz., rys., tab.
Twórcy
autor
autor
- Faculty of Process and Environmental Engineering, Technical University of Łódź, ul. Wólczańska 213, 90-924 Łódź, imbier@wipos.p.lodz.pl
Bibliografia
- (1) Rogers H. R.: Sources, behavior and fate of organic contaminants during sewage treatment and in sewage sludges., Sci. Total Environ., 185, 3 - 26 (1996).
- (2) Mishra V. S., Mahajani V. V., Joshi J. B.: Wet Air Oxidation. Ind. Eng. Chem. Res., 34(1), 2 - 48 (1995)
- (3) Li L., Chen P., Gloyna E. F.: Generalized Kinetic Model for Wet Oxidation of Organic Compounds, AIChE J., 1991, 37(11), 1687 - 1697.
- (4) Kolaczkowski S. T., Plucinski P., Beltran F. J., Rivas F. J., McLurgh D. B.: Wet air oxidation: a review of process technologies and aspects in reactor design, Chem. Eng. J., 1999, 73(2), 143 - 160.
- (5) Ploos van Amstel J. J. A., Rietema K.: Wet Air Oxidation of Sewage Sludge. Part II. The oxidation of Real Sludges, Chemie Ing. Techn.; 1973; 45(20), 1205 - 1211.
- (6) Lovo M., Deans H. A., Balakotaiah V.: Modeling and simulation of aqueous hazardous waste oxidation in deep well reactors.; Chem. Eng. Sci.; 1990; 45; 8; 2703 - 2710
- (7) Kodra D. Balakotaiah V.: Modeling of Supercritical Oxidation of Aqueous Wastes in a Deep-Well Reactor. AIChE J.,1992, 38(7), 988 - 1002.
- (8) Grean-Heedfeld J., Schluter S., Daun M.: Modeling and Simulation of Deep Well Reactor for the Wet Air Oxidation of Sewage Sludge., Chem. Eng. Proc, 1995; 34(2), 121 - 136.
- (9) Debellefontaine H., Foussard J. N.: Wet oxidation for the treatment of industrial wastes. Chemical aspects, reactor design and industrial applications in Europe.; Waste Manag.; 2000; 20; 15 - 25.
- (10) Imbierowicz M., Zarzycki R., Zawadzka A., Walkowska E.: Investigation of the reaction kinetics of activated sludge thermohydrolysis, Proc. 3rd European Meeting on Chemical Industry and Environment, Kraków, 1999, Vol. 1. pp. 293 -299.
- (11) Teletzke G. H., Gitchel W. B., Diddames D. G., Hoffman C. A.: Components of Sludge and Its Wet Air Oxidation Products, J. Water Pollut. Control Fed.; 1967; 39; 6; 994 - 1005.
- (12) Khan Y., Anderson G. K., Elliot D. J.: Wet Oxidation of Activated Sludge, Water Res.; 1999; 33; 7; 1681 - 1687
- (13) Seve E., Antonini G.: Traitment des graisses de station d'epuration urbaine par oxidation en voie humide, Chem. Eng. J.; 2000; 76; 179 - 187
- (14) Shende R. V., Mahajani V. V.: Kinetics of Wet Oxidation of Formic Acid and Acetic Acid, Ind. Eng. Chem. Res., 1997, 36, 11, 4809 - 4814.
- (15) Gomez H. T., Figueiredo J. L., Faria J. L.: Catalytic wet air oxidation of low molecular weight carboxylic acids using a carbon supported platinum catalyst, Appl. Catal. B: Environmental, 2000, 27(4), L217 - L223.
- (16) Cramer S. D.: The Solubility of Oxygen in Brines from 0 to 300°C, Ind. Eng. Chem. Process Des. Dev., 19, 300- 305 (1980).
- (17) Serwiński M., Zarzycki R., Chacuk A.: Estymacja parametrów kinetycznych procesów opisywanych układem sztywnych równań różniczkowych, Inż. Chem. Proc., 1985, 6(4), 717.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPS2-0039-0005