NOx emission from incineration of organic liquid waste in a circulating fluidized bed

Hui-Chao Chen; Chang-Sui Zhao; Yong-wang Li; Duan-Feng Lu

Korean Journal of Chemical Engineering, Vol.24, No.5, 906-910, September, 2007

DOI10.1007/s11814-007-0063-1 Export Citation

NOx emission from incineration of organic liquid waste in a circulating fluidized bed

Hui-Chao Chen, Chang-Sui Zhao^†, Yong-wang Li, and Duan-Feng Lu

Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, Nanjing 210096, China

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An incineration test of a toxic chemical organic waste liquid was conducted on a circulating fluidized bed (CFB) incinerator. The flue gas was measured online with the advanced SAE-19 flue gas analyzer. The effects of several factors, in terms of flow rate of waste liquid, ratio of waste liquid injected into dense bed of the CFB, excess air coefficient, the secondary air fraction and bed temperature on NOx emissions, were verified. The experimental results show that NO emissions in flue gas increase with increase in the flow rate of the waste liquid injected into the bed or the excess air coefficient or the bed temperature and those decrease with increase in the ratio of waste liquid injected into the dense bed of the CFB or the secondary air fraction. During the test runs, NOx concentration in flue gas met the national regulation on NOx emissions due to suppressive effect of low temperature and staged combustion in CFB on NOx formation.

Keywords:Red Waste Liquid;Incineration;Circulating Fluidized Bed (CFB);Emission

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[Referenced By]

[1] Drewett R, IEE Colloquium on, 19, 3 (1992)

[2] Shen LH, Yoshizo S, Proceedings of the CSEE, 21, 40 (2001)

[3] Stewart ES, Lemieux PM, International symposium on electronics and the environment, IEEE, USA, 271 (2003)

[4] Li B, Yang JL, Jiang XG, Chi Y, Yan JH, Journal of Zhejiang University (Engineering Science Edition), 34, 152 (2000)

[5] Fang JH, Qu H, Wang XQ, Fu DQ, Li B, Yang ZL, J. of Engineering Thermophysics, 22, 370 (2001)

[6] Han KH, Park J, Ryu JI, Jin GT, Korean J. Chem. Eng., 16(6), 804 (1999)

[7] Dong XF, Liu YZ, Li TC, Chem. Eng., 1, 25 (2005)

[8] Anders N, Lennart E, Marcus O, Fuel, 74, 128 (1995)

[9] Leckner B, Amanda LE, Luckeb K, Werther J, Fuel, 83, 477 (2004)

[10] Jang JG, Kim WH, Kim MR, Chun HS, Lee JK, Korean J. Chem. Eng., 18(4), 506 (2001)

[11] Kim MR, Jang JG, Lee JK, Korean J. Chem. Eng., 22(1), 61 (2005)

[12] Nichols KM, TAPPI J., 75, 153 (1992)

[13] Kaul SN, Nandy T, Deshpande CV, Wat. Sci. Tech., 38, 363 (1998)

[14] Zhao JS, Brereton C, Grace JR, Lim CJ, Legros R, Fuel, 76(9), 853 (1997)

[15] Kilpinen P, Kallio S, Konttinen J, Barisic V, Fuel, 81, 2349 (2002)

[16] Wang WX, Zhang SY, Wang FJ, Chen CM, Han S, Zhao CS, Yue GX, Coal Conversion, 26, 60 (2003)

[17] Pevida C, Arenillas A, Rubiera F, Pis JJ, Fuel, 84, 2275 (2005)

[18] Praserthdam P, Chaisuk C, Mongkhonsi T, Korean J. Chem. Eng., 20(1), 32 (2003)

[19] Liu H, Gibbs BM, Fuel, 80, 1211 (2001)

[20] Matsuda S, Hatano H, Powder Technol., 151(1-3), 61 (2005)

[21] Wen AX, Zhou H, Zhang L, Cen KF, Journal of Engineering for Thermal Energy and Power, 19, 242 (2004)