Kinetic modeling of urea decomposition based on systematic thermogravimetric analyses of urea and its most important by-products

Chemical Engineering Science

Volumn 106, Issue , 2014, Pages 1-8

  Brack, Wolfgang ^a   Heine, Barbara ^a   Birkhold, Felix ^a   Kruse, Matthias ^a   Schoch, Günter ^b   Tischer, Steffen ^b   Deutschmann, Olaf ^b  

^a ROBERT BOSCH GMBH   (Germany)

^b KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

Author keywords

Biuret; Cyanuric acid; Kinetic model; SCR; Thermal decomposition; Urea

Indexed keywords

DECOMPOSITION; KINETIC THEORY; KINETICS; METABOLISM; PYROLYSIS; THERMOGRAVIMETRIC ANALYSIS; THYRISTORS;

BIURET; CYANURIC ACIDS; GASEOUS PRODUCTS; KINETIC MODELING; KINETIC REACTION MODELS; MEASUREMENT CONDITIONS; THERMAL DECOMPOSITION OF UREA; UREA DECOMPOSITION;

UREA;

EID: 84890044438     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2013.11.013     Document Type: Article

References (25)

1. 2. Appl. Catal. B Environ. 2012, 115-116:129-137.
2. Birkhold, F., Meingast, U., Wassermann, P., Deutschmann, O., 2006. Analysis of the Injection of Urea-Water-Solution for Automotive SCR DeNOx-Systems: Modeling of Two-Phase Flow and Spray/Wall-interaction. SAE Technical Paper 2006-01-0643.
3. x-systems. Appl. Catal. B Environ. 2007, 70:119-127. (Papers presented at the 4th International Conference on Environmental Catalysis (4th ICEC) Heidelberg, Germany, June, 2005).
4. Buchholz, F., 2000. Einsatz von festem Harnstoff als Reduktionsmittel für die NOx-Minderung nach dem SCR-Verfahren (Dissertation). Universität Karlsruhe. Karlsruhe.
5. Ciardelli C., Nova I., Tronconi E., Konrad B., Chatterjee D., Ecke K., Weibel M. SCR-DeNOx for diesel engine exhaust aftertreatment. unsteady-state kinetic study and monolith reactor modelling. Chem. Eng. Sci. 2004, 59:5301-5309.
6. Deutschmann, O., Tischer, S., Kleditzsch, S., Janardhanan, V., Correa, C., Chatterjee, D., Mladenov, N., Minh, H.D., 2011. DETCHEM User Manual Version 2.3. STZ 240 Simulation of Reactive Flows, Germany.
7. Dynardo, 2011. OPTISLANG User Manual Version 3.2.
8. Ebrahimian V., Nicolle A., Habchi C. Detailed modeling of the evaporation and thermal decomposition of urea-water solution in SCR systems. AIChE J. 2012, 58:1998-2009.
9. Ehrig R., Nowak U., Oeverdieck L., Deuflhard P. Advanced extrapolation methods for large scale differential algebraic problems. High Performance Scientific and Engineering Computing. Lecture Notes in Computational Science and Engineering 1999, vol. 8:233-244.
10. x. Part I. Pyrolysis and hydrolysis of urea over zeolite catalysts. Appl. Catal. B Environ. 2010, 97:90-97.
11. Huthwelker T., Peter T. Analytical description of gas transport across an interface with coupled diffusion in two phases. J. Chem. Phys. 1996, 105:1661-1667.
12. Jäger L., Gottfried J., Sura J. Kinetika tvorby biuretu z mocoviny. Chem. Prum. 1965, 15/40:4-7.
13. Köbel M., Elsener M. Selective catalytic reduction of NO over commercial DeNOx-catalysts. experimental determination of kinetic and thermodynamic parameters. Chem. Eng. Sci. 1998, 53:657-669.
14. Köbel M., Elsener M., Kleemann M. Urea-SCR. a promising technique to reduce NOx emissions from automotive diesel engines. Catal. Today 2000, 59:335-345.
15. Koryakin A.G., Gal'perin V.A., Sarbaev A.N., Finkel'shtein A.I. Thermography of urea and its pyrolysis products. Zh. Org. Khim. 1971, 7:972-977.
16. Linhard M. Der Dampfdruck flüssiger Cyansäure. Z. Anorg. Allg. Chem. 1938, 236:200-208.
17. Lundström A., Andersson B., Olsson L. Urea thermolysis studied under flow reactor conditions using DSC and FT-IR. Chem. Eng. J. 2009, 150:544-550.
18. Mercadier J., Pignon M., Calabuig F., Lede J., Villermaux J. Kinetics of isocyanuric acid pyrolysis. J. Anal. Appl. Pyrol. 1994, 28:107-120.
19. Moser, F.X., Sams, T., Cartellieri, W., 2001. Impact of Future Exhaust Gas Emission Legislation on the Heavy Duty Truck Engine. SAE Technical Paper 2001-01-0186.
20. Ostrogovich G., Bacaloglu R. Die Kinetik der Thermolyse von Harnstoff und der darauffolgenden Umwandlungen. II. Rev. Roum. Chim. 1965, 10:1111-1128.
21. Schaber P.M., Colson J., Higgins S., Thielen D., Anspach B., Brauer J. Thermal decomposition (pyrolysis) of urea in an open reaction vessel. Thermochim. Acta 2004, 424:131-142.
22. Schmidt A. Über das Gleichgewicht Isocyansäure - Cyanursäure. Monatsh. Chem. 1970, 101:866-870.
23. Spasskaya R.I. Preparation of triuret from urea. Zh. Prikl. Khim. 1969, 42:714-731.
24. Stradella L., Argentero M. A study of the thermal decomposition of urea, of related compounds and thiourea using DSC and TG-EGA. Thermochim. Acta 1993, 219:315-323.
25. Weltens, H., Bressler, H., Terres, F., Neumaier, H., Rammoser, D., 1993. Optimisation of Catalytic Converter Gas Flow Distribution by CFD Prediction. SAE Technical Paper 930780.