Effect of Cement Raw Meal on the NO Reduction by Biomass Char

Abstract:

The influence of cement raw meal on the NO reduction by biomass char at a high temperature of 900 °C with four O₂ concentrations of 1%, 3%, 5% and 8% was investigated in a laboratory scale fixed bed quartz reactor. The results showed that the cement raw meal had certain positive effect on NO reduction by biomass char which promotes dissociation adsorption of NO with the help of CO consumption and oxygen transferred to carbon surface, however, it also shows some negative effect, and the degree depends on O₂ concentration. A long-time and high NO reduction rate was obtained in the case of 1% O₂ concentration.

• Periodical: Materials Science Forum (Volume 993)
• Pages: 1401-1406
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.993.1401
• Online since: May 2020
• Authors: Nan Li, Su Ping Cui*, Ya Li Wang, Xiao Yu Ma, Shi Jie Liu, Yan Zheng
• Keywords: Biomass Char, Cement Raw Meal, NO Reduction

References

[1] X. Cheng, L.Y. Wang, Z.Q. Wang, M.Z. Zhang, C.Y. Ma, Catalytic Performance of NO Reduction by CO over Activated Semicoke Supported Fe/Co Catalysts, Ind. Eng. Chem, Res. 55 (2016) 12710-12722.

DOI: 10.1021/acs.iecr.6b00804

[2] W.D. Fan, Y. Li, M. Xiao, Effect of Preoxidation O2 Concentration on the Reduction Reaction of NO by Char at High Temperature, Ind. Eng. Chem, Res. 52 (2013) 6101−6111.

DOI: 10.1021/ie400131y

[3] S. Li, J.L. Yu, X.L. Wei, X.F. Guo, Y. Chen, Catalytic reduction of nitric oxide by carbon monoxide over coal gangue hollow ball, Fuel Processing Technology. 125 (2014) 163–169.

DOI: 10.1016/j.fuproc.2014.04.005

[4] S. Li, Y.F. Ge, X.L. Wei, Experiment on NOx reduction by advanced reburning in cement precalciner, Fuel. 224 (2018) 235–240.

DOI: 10.1016/j.fuel.2018.03.039

[5] Y.F. Shen, X.L. Ge, M.D. Chen, Catalytic oxidation of nitric oxide (NO) with carbonaceous materials, RSC Adv. 6 (2016) 8469–8482.

DOI: 10.1039/c5ra24148k

[6] D. Allen, A.N. Hayhurst, The chemical reactions of nitric oxide with solid carbon and catalytically with gaseous carbon monoxide, Fuel. 142 (2015) 260–267.

DOI: 10.1016/j.fuel.2014.10.084

[7] B. Wang, H.X. Guo, S.P. Cui, Y.L Wang, X.Y. Ma, L. Wei, N. Li, Removal of NOx by Cement Raw Meal and Biochar Admixture, Materials Science Forum. 898 (2017) 1880-1884.

DOI: 10.4028/www.scientific.net/msf.898.1880

[8] C.A. Wang, Y.B. Du, D.F. Che, Investigation on the NO Reduction with Coal Char and High Concentration CO during Oxy-fuel Combustion, Energy Fuels 26 (2012) 7367−7377.

DOI: 10.1021/ef301202w

[9] Z.B. Zhao, W. Li, B.Q. Li., Catalytic reduction of NO by coal chars loaded with Ca and Fe in various atmospheres, Fuel. 81 (2002) 1559-1564.

DOI: 10.1016/s0016-2361(02)00077-7

[10] G. Lv, J.D. Lu, X.H. Xie, Z.J. Hu, Experiment of the reduction of NO by coal in precalciners, Huazhong Univ. of Sci. & Tech. (Natural Science Edition). 39 (2011) 124-128.

[11] L.K. Chan, A.F. Sarofim, J.M. Beer, Kinetics of the NO carbon reaction at fluidized bed combustor conditions, Combust. Flame. 52 (1983) 37–45.

DOI: 10.1016/0010-2180(83)90119-0

[12] C.J. Tighe, J.S. Dennis, A.N. Hayhurst, M.V. Twigg, The reactions of NO with diesel soot, fullerene, carbon nanotubes and activated carbons doped with transition metals, Proc Combust Inst. 32 (2009) 1989–96.

DOI: 10.1016/j.proci.2008.06.165

[13] C.O. Sørensen, J.E. Johnsson, A. Jensen, Reduction of NO over Wheat Straw Char, Energy & Fuels. 15 (2001) 1359-1368.

DOI: 10.1021/ef000223a