Intensification of nitric acid production

• Autorzy: Chacuk A. , Miller J.S. , Wilk M.
• Języki publikacji: EN

Abstrakty

EN

A mathematical model enabling a quantitative description of the oxidation of nitrous acid using the ozone-oxygen mixtures in the continuous bubble columns has been proposed. The model consists of mass transfer kinetic equations and material balance equations of gas and liquid phases flowing through the absorber. The material balance equations refer to the parallel, co-current flow of gas and liquid phase and take into account a complex chemical reaction in the liquid phase. The proposed model is used in a numerical simulation of oxidation in a bubble absorber for different process conditions: the flow rate and the composition of the gas and liquid phase, temperature and pressure, and different heights and diameters of the column.

Słowa kluczowe

EN

mathematical modelling; oxidation; nitrous acid; nitric acid; bubble column

PL

modelowanie matematyczne; utlenianie; kwas azotawy; kwas azotowy; kolumna pęcherzykowa

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2006
• Tom: Vol. 8, nr 3
• Strony: 1--4
• Opis fizyczny: Bibliogr. 7 poz., rys., tab.

Twórcy

autor

Chacuk A.

autor

Miller J.S.

autor

Wilk M.

• Faculty of Process and Environmental Engineering, Technical University of Łódź, ul. Wólczańska 213, 90-924 Łódź,

Bibliografia

• (1) Damschen D. E., Martin L. R.: Aqueous Aerosol Oxidation of Nitrous Acid by O2, O3 and H2O2, Atmospheric Environment, 1996, 17 (10), 2005.
• (2) Counce R. M., Perona J. J.: A Mathematical Model for Nitrogen Oxide Absorption in a Sieve-plate Column, Ind. Eng. Chem. Process Des. Dev., 1980, 19(3), 426.
• (3) Wilk M., Ledakowicz S., Gryglik D., Miller J. S.: Investigation of Kinetic Nitrous Acid Oxidation, Inż. Chem. Proc, 2004, 25 (3), 1783.
• (4) Miller J., Chacuk A., Wilk M., Ledakowicz S.: Kinetics of Nitrous Acid Oxidation Using Ozone-Oxygen Mixture, Polish J. Chem. Tech., 2006, in press.
• (5) Jethani K. R., Suchak N. J., Joshi J. B.: Modelling and Simulation of a Spray Column for NOX Absorption, Computers Chem. Engng., 1992, 16(1), 11.
• (6) Joshi J. B., Mahajani V. V, Juvekar V. A.: Absorption of NOX Gases, Chem. Engng. Commun., 1985, 33, 1.
• (7) Zarzycki R., Chacuk A., Absorption: Fundamentals & Applications, Pergamon Press, Oxford, 1993.