HNCO hydrolysis performance in urea-water solution thermohydrolysis process with and without catalysts

Journal of Zhejiang University: Science A

Volumn 11, Issue 11, 2010, Pages 849-856

  Chen, Zhen Chao ^a   Yang, Wei Juan ^a   Zhou, Jun Hu ^a   Lv, Hong Kun ^a   Liu, Jian Zhong ^a   Cen, Ke Fa ^a  

^a ZHEJIANG UNIVERSITY   (China)

Author keywords

Al2O3; HNCO hydrolysis; Sol gel method; Urea water solution

Indexed keywords

ALUMINA CATALYSTS; APPARENT ACTIVATION ENERGY; CATALYTIC ACTIVITY; CATALYTIC PERFORMANCE; HIGH TEMPERATURE; HIGH YIELD; HIGHER TEMPERATURES; HNCO HYDROLYSIS; HYDROLYSIS REACTION; ISOCYANIC ACIDS; LEWIS ACID SITE; LOW CONCENTRATIONS; LOW TEMPERATURES; NITROUS OXIDE; OXIDATION PROCESS; POSITIVE EFFECTS; REACTOR SYSTEMS; SOL-GEL METHOD; SPACE VELOCITIES; SURFACE AREA; THERMAL DECOMPOSITIONS; THERMOHYDROLYSIS; WATER SOLUTIONS;

ACTIVATION ENERGY; ALUMINUM; CATALYST ACTIVITY; GELS; HYDROLYSIS; METABOLISM; NITRIC ACID; NITRIC OXIDE; NITROGEN OXIDES; PYROLYSIS; REACTION RATES; SOL-GELS; SOLS; UREA;

SOL-GEL PROCESS;

EID: 78649554699     PISSN: 1673565X     EISSN: 18621775     Source Type: Journal    
DOI: 10.1631/jzus.A0900798     Document Type: Article

References (22)

1. Aoki, H., Fujiwara, T., Morozumi, Y., Miura, T., 1999. Measurement of Urea Thermal Decomposition Reaction Rate for NO Selective Non-catalytic Reduction. Fifth International Conference on Technologies and Combustion for a Clean Environment, Lisbon, Portugal, p.115-118.
2. S.W. Bae S.A. Roh S.D. Kim 2006 NO removal by reducing agents and additives in the selective non-catalytic reduction (SNCR) process Chemosphere 65 1 170 175 10.1016/j.chemosphere.2006.02.040 (Pubitemid 44119005)
3. G. Buelna Y.S. Lin 2001 Preparation of spherical alumina and copper oxide coated alumina sorbents by improved sol-gel granulation process Microporous and Mesoporous Materials 42 1 67 76 10.1016/S1387-1811(00)00303-6
4. G. Buelna Y.S. Lin 2004 Characteristics and desulfurization-regeneration properties of sol-gel-derived copper oxide on alumina sorbents Separation and Purification Technology 39 3 167 170 10.1016/S1383-5866(03)00183-7 (Pubitemid 40072165)
5. G. Buelna Y.S. Lin L.X. Liu J.D. Litster 2003 Structural and mechanical properties of nanostructured granular alumina catalysts Industrial & Engineering Chemistry Research 42 3 442 447 10.1021/ie020259l
6. 3 catalysts Journal of Catalysis 55 1 10 28 10.1016/0021-9517(78)90181-1
7. Gentemann, A.M.G., Caton, J.A., 2001. Decomposition and Oxidation of Urea-water Solution as Used in Selective Non-catalytic Removal (SNCR) Processes. 2nd Joint Meeting of the United States Section of the Combustion Institute Spring Technical Conference, Oakland, CA.
8. K.A. Hossain M.N. Mohd-Jaafar K.B. Appalanidu A. Mustafa F.N. Ani 2005 Application of urea based SNCR system in the combustion effluent containing low level of baseline nitric oxide Environmental Technology 26 3 251 259 10.1080/09593332608618557
9. M. Jodal C. Nielsen T. Hulgaard K. Dam-Johansen 1991 Pilot-scale Experiments with Ammonia and Urea as Reductants in Selective Non-catalytic Reduction of Nitricoxide 23rd Symposium (International) on Combustion, the Combustion Institute 23 1 237 243 10.1016/S0082-0784(06)80265-1
10. M. Koebel E.O. Strutz 2003 Thermal and hydrolytic decomposition of urea for automotive selective catalytic reduction systems: thermochemical and thermochemical and practical aspects Industrial & Engineering Chemistry Research 42 10 2093 2100 10.1021/ie020950o
11. x reduction in diesel exhaust gas with urea selective catalytic reduction Combustion Science and Technology 121 1-6 85 102 10.1080/00102209608935588
12. O. KrÖcher M. Elsener 2009 Materials for thermohydrolysis of urea in fluidzed bed Chemical Engineering Journal 152 1 167 176 10.1016/j.cej.2009.04. 030
13. 3 Journal of Catalysis 25 2 238 244 10.1016/0021-9517(72)90223-0
14. J.A. Miller C.T. Bowman 1991 Kinetic modeling of the reduction of nitric oxide in combustion products by isocyanic acid International Journal of Chemical Kinetics 23 4 289 313 10.1002/kin.550230403
15. x control: research to application Progress in Energy and Combustion Science 23 3 233 266 10.1016/S0360-1285(97)00002-6
16. Piazzesi, G., 2006. The Catalytic Hydrolysis of Isocyanic Acid (HNCO) in the Urea-SCR Process. PhD Thesis, No. 16693, ETH Zurich, Italy.
17. x out process Chemical Engineering Science 57 1 27 38 10.1016/S0009-2509(01)00367-0 (Pubitemid 34137607)
18. 3 Journal of Catalysis 94 2 514 530 10.1016/0021-9517(85)90216-7
19. M. Tayyeb Javed N. Irfan B.M. Gibbs 2007 Control of combustion-generated nitrogen oxides by selective non-catalytic reduction Journal of Environmental Management 83 3 251 289 10.1016/j.jenvman.2006.03.006 (Pubitemid 46238364)
20. M.A. Wójtowicz F.P. Miknis R.W. Grimes W.W. Smith M.A. Serio 2000 Control of nitric oxide, nitrous oxide, and ammonia emissions using microwave plasmas Journal of Hazardous Materials 74 1-2 81 89 10.1016/S0304-3894(99)00200- 9 (Pubitemid 30227271)
21. 3 for the SCR process Industrial & Engineering Chemistry Research 43 16 4856 4863 10.1021/ie034052j
22. B.E. Yoldas 1975 A transparent porous alumina American Ceramic Society Bulletin 54 3 286 288