Experimental method for observing the fate of SO3/H2SO4 in a temperature-decreasing flue gas flow: Creation of state diagram
作者： Yuzhong Li , Qingwu Zhu , Qiujie Yi , Wujun Zuo , Yupeng Feng
DOI: 10.1016/J.FUEL.2019.03.130
关键词: Dew point 、 Work (thermodynamics) 、 Condensation 、 Aerosol 、 State diagram 、 Atmospheric temperature range 、 Thermodynamics 、 Sulfur trioxide 、 Flue gas 、 Materials science
摘要: Abstract The condensation behavior of sulfur trioxide/sulfuric acid (SO3/H2SO4) in flue gas is closely related to corrosion, aerosol formation, and blue plume discharge. Thus, it has become a hot issue energy environmental fields. However, no accurate method currently available observe this behavior. In work, an experimental was developed explore the fate SO3/H2SO4 temperature-decreasing flow among range 260 °C–40 °C. A novel sampling unit with quartz wool sodium chloride (NaCl) layer series adopted accomplish task collecting gaseous H2SO4, respectively, from gas. Bench scale experiments were performed verify reliability method. state diagram created according results reveal evolution H2SO4 as temperature dropped. On basis diagram, existing empirical models for predicting dew point (ADP) evaluated. predicted ADP values found deviate definition, falling within which condensed rapidly instead beginning condense. derived work can slight better than other methods could.
sci-hub.se 参考文章(24)
Jan Mertens, R. Bruns, B. Schallert, N. Faniel, P. Khakharia, W. Albrecht, E. Goetheer, J. Blondeau, K. Schaber, Effect of a gas-gas-heater on H2SO4 aerosol formation: implications for mist formation in amine based carbon capture International Journal of Greenhouse Gas Control. ,vol. 39, pp. 470- 477 ,(2015) , 10.1016/J.IJGGC.2015.06.013
R.K. Srivastava, C.A. Miller, C. Erickson, R. Jambhekar, Emissions of sulfur trioxide from coal-fired power plants. Journal of The Air & Waste Management Association. ,vol. 54, pp. 750- 762 ,(2004) , 10.1080/10473289.2004.10470943
Daniel Fleig, María. U. Alzueta, Fredrik Normann, María Abián, Klas Andersson, Filip Johnsson, Measurement and modeling of sulfur trioxide formation in a flow reactor under post-flame conditions Combustion and Flame. ,vol. 160, pp. 1142- 1151 ,(2013) , 10.1016/J.COMBUSTFLAME.2013.02.002
Reinhold Spörl, Jörg Maier, Lawrence Belo, Kalpit Shah, Rohan Stanger, Terry Wall, Günter Scheffknecht, Mercury and SO3 Emissions in Oxy-fuel Combustion☆ Energy Procedia. ,vol. 63, pp. 386- 402 ,(2014) , 10.1016/J.EGYPRO.2014.11.041
Pio Forzatti, Isabella Nova, Alessandra Beretta, None, Catalytic properties in deNOx and SO2–SO3 reactions Catalysis Today. ,vol. 56, pp. 431- 441 ,(2000) , 10.1016/S0920-5861(99)00302-8
Emil Vainio, Daniel Fleig, Anders Brink, Klas Andersson, Filip Johnsson, Mikko Hupa, Experimental Evaluation and Field Application of a Salt Method for SO3 Measurement in Flue Gases Energy & Fuels. ,vol. 27, pp. 2767- 2775 ,(2013) , 10.1021/EF400271T
Jiyoung Ahn, Ryan Okerlund, Andrew Fry, Eric G. Eddings, Sulfur trioxide formation during oxy-coal combustion International Journal of Greenhouse Gas Control. ,vol. 5, ,(2011) , 10.1016/J.IJGGC.2011.05.009
Daniel Fleig, Emil Vainio, Klas Andersson, Anders Brink, Filip Johnsson, Mikko Hupa, Evaluation of SO3 Measurement Techniques in Air and Oxy-Fuel Combustion Energy & Fuels. ,vol. 26, pp. 5537- 5549 ,(2012) , 10.1021/EF301127X
Alireza Bahadori, Estimation of combustion flue gas acid dew point during heat recovery and efficiency gain Applied Thermal Engineering. ,vol. 31, pp. 1457- 1462 ,(2011) , 10.1016/J.APPLTHERMALENG.2011.01.020
Yun-Gang Wang, Qin-Xin Zhao, Zhi-Xiang Zhang, Zhi-Chao Zhang, Wen-Quan Tao, None, Mechanism research on coupling effect between dew point corrosion and ash deposition Applied Thermal Engineering. ,vol. 54, pp. 102- 110 ,(2013) , 10.1016/J.APPLTHERMALENG.2012.12.013