Browse > Article
http://dx.doi.org/10.7837/kosomes.2021.27.7.1074

Pyrolysis Effect of Nitrous Oxide Depending on Reaction Temperature and Residence Time  

Park, Juwon (Department of Marine System Engineering, Korea Maritime & Ocean University)
Lee, Taehwa (Division of Marine System Engineering, Korea Maritime & Ocean University)
Park, Dae Geun (Carbon Neutral Technology R&D Department, Korea Institute of Industrial Technology (KITECH))
Kim, Seung Gon (Advanced Combustion Power Research Group, Korea Institute of Energy Research (KIER))
Yoon, Sung Hwan (Interdisciplinary Major of Maritime AI Convergence, Korea Maritime & Ocean University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.27, no.7, 2021 , pp. 1074-1081 More about this Journal
Abstract
Nitrous oxide (N2O) is one of the six major greenhouse gases and is known to produce a greenhouse ef ect by absorbing infrared radiation in the atmosphere. In particular, its global warming potential (GWP) is 310 times higher than that of CO2, making N2O a global concern. Accordingly, strong environmental regulations are being proposed. N2O reduction technology can be classified into concentration recovery, catalytic decomposition, and pyrolysis according to physical methods. This study intends to provide information on temperature conditions and reaction time required to reduce nitrogen oxides with cost. The high-temperature ranges selected for pyrolysis conditions were calculated at intervals of 100 K from 1073 K to 1373 K. Under temperatures of 1073 K and 1173 K, the N2O reduction rate and nitrogen monoxide concentration were observed to be proportional to the residence time, and for 1273 K, the N2O reduction rate decreased due to generation of the reverse reaction as the residence time increased. Particularly for 1373 K, the positive and reverse reactions for all residence times reached chemical equilibrium, resulting in a rather reduced reaction progression to N2O reduction.
Keywords
$N_2O$; $NO_X$; Thermal decomposition; Greenhouse gases; Global warming potential;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Loffler, G., V. J. Wargadalam, F. Winter, and H. Hofbauer (2000), Decomposition of Nitrous Oxide at Medium Temperatures, Combustion and flame, Vol. 120, No. 4, pp. 427-438.   DOI
2 Sim, H. S.(2011), A Study on NOx Reduction for a Small Marine Diseel Engine, Journal of the Korean Society of Manufacturing Process Engineers, Vol. 10, No. 5, pp. 79-84.
3 Smith, G. P., D. M. Golden, M. Frenklach, N. W. Moriarty, B. Eiteneer, M. Goldenberg, C. T. Bowman, R. K. Hanson, S. Song, W. C. Gardiner, Jr., V. V. Lissianski and Z. Qin(1999), http://www.me.berkeley.edu/gri_mech/.
4 Yoo, K. S. and S. W. Park(2017), Improvement of DeNOx efficiency of SNCR Process with Chemical Additives in Urea Soution, Journal of the Korea Academia-Industrial cooperation Society, Vol. 18, No. 10, pp. 663-668.   DOI
5 Zel'dovich, Y. B.(1946), The Oxidation of Nitrogen in Combustion Explosions, Acta Physicochimica U.S.S.R. 21, pp. 577-628.
6 Lee, S. J., J. G. Yun, H. M. Lee, J. Y. Kim, J. H. Yun, and J. G. Hong(2021), Dependence of N2O/NO Decomposition and Formation on Temperature and Residence Time in Thermal Reeactor, Energies, Vol. 14, No. 4, pp. 1153-1163.   DOI
7 Chang, K. S.(2007), Status and Trends of Emission Reduction Technologies and CDM Projects of Greenhouse Gas Nitrous Oxide, The Journal of Korea Industrial and Engineering Chemistry, Vol. 19, No. 1, pp. 17-26.
8 Yoo, D. H.(2014), Effect of Fuel Component on Nitrous Oxide Emission Characteristics in Diesel Engine, Journal of the Korean Society of Maritime Engineering, Vol. 38, No. 9, pp. 1045-1050.
9 Kim, J. M. and J. I. Dong(2012), A Study on Reduction of NOx and Emission Characterastic of N2O According to Oxygen from Urea-SNCR Process, University of Seoul graduate school.
10 Hu, X. Y., C. Q. Dong, Y. P. Yang, and J. J. Zhang(2011), The Effect of Biomass Pyrolysis Gas Reburning on N2O Emission in a Coal-fired Fluidized Bed Boiler, Chinese Science Bulletin, Vol. 56, pp. 1429-1433.   DOI
11 Jeong, M. S. and J. I. Dong(2011), A Study on Reduction of N2O from Urea-SNCR Process, University of Seoul graduate school.
12 Jin, S. Y., J. Seo, H. Kim, S. H. Shin, D. H. Nam, S. M. Kim, D. Kim, and S. H. Yoon(2021), Treatment Technology of N2O by using Bunsen Premixed Flame, Journal of the Korean Society of Marine Environment & Safety, Vol. 27, No. 1, pp. 153-160.   DOI
13 Kang, K. J., S. H. Kim, and E. C. Kim(2004), A Study on the NOx Emission Status and Reduction Technologies of Domestic Marine Engine, Journal of the Korean Society for Marine Environmental Engineering, Vol. 7, No. 2, pp. 57-63.
14 Kim, S. Y. and M. Kim(2012), The need to develop Nitrogen Oxides (NOx) Reduction Equipment and Regulation in Marine, The Korean Society of Combustion, No. 4, pp. 69-74.
15 Lee, J. H. and J. S. Kwak(2018), Marine Generator System for Reduction in Air Pollutants, Transactions of the Korean Society of Mechanical Engineers-A, Vol. 47, No. 10, pp. 939-944.
16 Lee, H. K. and D. H. Kang(2020), Korean Laws and Practical Issues of Maritime Companies Dealing with Air Pollution Prevention from Ships Focused on IMO Sulphre Cap 2020, The Journal of Korea Maritime Law Association, Vol. 42, No. 1, pp. 101-143.
17 Lee, H. M., J. G. Yun, and J. G. Hong(2020), A Study of Nitrous Oxide Thermal Decomposition and Reaction Rate in High Temperature Inert Gas, Journal of ILASS-KOREA, Vol. 25, No. 3, pp. 132-138.   DOI