Effects of gas compositions on NOx reduction by selective non-catalytic reduction with ammonia in a simulated cement precalciner atmosphere

Chemosphere

Volumn 113, Issue , 2014, Pages 182-187

  Fan, Weiyi ^a   Zhu, Tianle ^a   Sun, Yifei ^a   Lv, Dong ^a  

^a BEIHANG UNIVERSITY   (China)

Author keywords

Cement precalciner atmosphere; Gas composition; SNCR

Indexed keywords

AMMONIA; CEMENTS; EFFICIENCY; FREE RADICALS; KILNS; NITROGEN OXIDES; REDUCTION;

GAS COMPOSITIONS; INDUSTRIAL OPERATIONS; PRECALCINERS; REDUCTION TEMPERATURES; SELECTIVE NON-CATALYTIC REDUCTION; SNCR; TEMPERATURE REGIONS; TEMPERATURE WINDOW;

SELECTIVE CATALYTIC REDUCTION;

AMMONIA; CARBON MONOXIDE; NITROGEN OXIDE; REDUCING AGENT; SULFUR DIOXIDE;

AMMONIA; ATMOSPHERIC CHEMISTRY; CATALYSIS; CHEMICAL COMPOSITION; LOW TEMPERATURE; NITROGEN OXIDES; NUMERICAL MODEL; OXYGEN; RADICAL; TEMPERATURE EFFECT;

AIR POLLUTION; ARTICLE; ATMOSPHERE; CEMENT INDUSTRY; CEMENT PRECALCINER ATMOSPHERE; GAS; HIGH TEMPERATURE; LOW TEMPERATURE; SELECTIVE NON CATALYTIC REDUCTION; SIMULATION; TECHNOLOGY;

CEMENT PRECALCINER ATMOSPHERE; GAS COMPOSITION; NH(3) SLIP; NO(X) REDUCTION; SNCR;

AIR POLLUTION; CARBON MONOXIDE; CHINA; CONSTRUCTION MATERIALS; HOT TEMPERATURE; NITROGEN OXIDES; OXIDATION-REDUCTION; OXYGEN; SPECTROPHOTOMETRY; SULFUR DIOXIDE; WATER;

EID: 84904699816     PISSN: 00456535     EISSN: 18791298     Source Type: Journal    
DOI: 10.1016/j.chemosphere.2014.05.034     Document Type: Article

References (25)

1. 2 system: implications for hydrid reburn/SNCR strategies. Energy Fuel 1997, 11:716-723.
2. Bae S.W., Roh S.A., Kim S.D. NO removal by reducing agents and additives in the selective non-catalytic reduction (SNCR) process. Chemosphere 2006, 65:170-175.
3. Caton J.A., Narney J.K., Cariappa C., Laster W.R. The selective non-catalytic reduction of nitric oxide using ammonia at up to 15% oxygen. Can. J. Chem. Eng. 1995, 73:345-350.
4. 2 on the reduction of NO by ammonia. P. Combust. Inst. 2005, 30:1211-1218.
5. x Emissions from Precalciner Cement Kiln Systems. R&D Serial No. 2782 2001, Portland Cement Association, Skokie, Illinois, USA.
6. Huang L., Lu J., Xia F., Li W., Ren H. 3-D mathematical modeling of an in-line swirl-spray precalciner. Chem. Eng. Process. 2006, 45:204-213.
7. x calciner. Chem. Eng. Sci. 2002, 57:805-820.
8. Javed M.T., Irfan N., Gibbs B.M. Control of combustion-generated nitrogen oxides by selective non-catalytic reduction. J. Environ. Manage. 2007, 83:215-289.
9. x process in a 150kW laboratory reactor. Chemosphere 2008, 70:1059-1067.
10. Javed M.T., Nimmo W., Mahmood A., Irfan N. Effect of oxygenated liquid additives on the urea based SNCR process. J. Environ. Manage. 2009, 90:3429-3435.
11. x process: Influence of partial pressures and temperature. Chem. Eng. Sci. 1995, 50:1455-1466.
12. Lin, M.L., Knenlein, M.J., 2000. Cement kiln NOx reduction experience using the NOxOUT® process. in: 2000 International Joint Power Generation Conference, Miami Beach, Florida.
13. 3. Chem. Eng. J. 1985, 30:161-167.
14. 3. Combust. Flame 1983, 49:283-288.
15. x: how it works. Hydrocarb. Process. 1979, 58:109-112.
16. x process. Ind. Eng. Chem. Fund. 1986, 25:19-24.
17. MEPPRC (Ministry of Environmental Protection of the People's Republic of China), 2013. China Environment Statistical Annual Report 2012. http://zls.mep.gov.cn/hjtj/nb/2012tjnb/201312/t20131225_265552.htm.
18. Miller J.A., Bowman C.T. Mechanism and modeling of nitrogen chemistry in combustion. Prog. Energy Combust. 1989, 15:287-338.
19. x process: closing in on a final solution. Int. J. Chem. Kinet. 1999, 31:757-765.
20. Muzio L.J., Arand J.K., Teixeira D.P. Gas phase decomposition of nitric oxide in combustion products. Symp. Int. Combust. Proc. 1977, 16:199-208.
21. 3 with NO in coal derived combustion products. Symp. Int. Combust. Proc. 1979, 17:89-96.
22. x emissions from new cement kilns 2007, Office of Air Quality Planning and Standards, US Environmental Protection Agency.
23. x: process definition and enhancement. Spring Meeting of the Western States Section of the Combustion Institute 1992, 1-26. Corvallis, Oregon.
24. 3. Fuel 1993, 72:175-179.
25. 3 1989, AchemAsia, Beijing.