52Obtaining Optimum Conditions for Separation of SO2 Gas from Flue Gas by Response Surface Methodology


Removal SO2 done by designed plant in laboratory and industrial scale has been always an important issue and it is because of its harmful effect on environment and human health. This research was aimed to determine the optimum process conditions to absorption of sulfur dioxide from mixture of flue gases by Response surface methodology (RSM). Using a novel ways of SO2 elimination from flue gas which is investigated as a selective amine-based absorber with high performance in the Research Center of Petroleum University of Technology. absorption temperature (°C)-(40-60), desorption temperature (°C)-(100-120), liquid ratio (ml/min)-(100-400) and SO2 concentration (ppm)-(4000-8000) were considered as working parameters to investigate their effect and optimization on SO2 removal efficiency from the flue gas. Absorption efficiency to more than 99% , which would be a great achievement for the industry.

Keywords: absorption, Optimization, RSM, SO2


  • Xiaoxun Ma, Takao Kaneko, Tsutomu Tashimo, Tadashi Yoshida, Kunio Kato. (2000). Use of limestone for SO2 removal from flue gas in the semidry FGD process with a powder-particle spouted bed, Journal of chemical Engineering Science 55,4643- 4652.
  • Environmental impacts of coal power: air pollution. http://www.ucsusa.org/clean_energy/ coalvswind/c02c.html (accessed June 22, 2009).
  • Gutierrez Ortiz FJ, Vidal F, Ollero P, Salvador L,Cortes V, Gimenez , (2006), A. Pilot-plant technical assessment of wet flue gas desulfurization using limestone. Publication of Industerial and Engineering Chemestry Research, 45:1466–77.
  • Zhang J, Wang Y, Wu D. (2003). Effect investigation of ZnO additive on Mn–Fe/c-Al2O3 sorbents for hot gas desulfurization. Energy Convers Manage, 44:357–67.
  • Yan Liu, Teresa M. Bisson, Hongqun Yang, Zhenghe Xu. (2010). Review Recent developments in novel sorbents for flue gas clean up, Journal of Fuel Processing Technology 91,1175–1197.
  • H. Chu, T.W. Chien, S.Y. Li (2001), Simultaneous absorption of SO2 and NO from flue gas with KMnO4/NaOH solutions, J The Science of the Total Environment 275 127-135
  • Schwieger, R., and Haynes, A. (1985). Reliability Concerns, Regulations Lead to Virtual Standardization of Air-Pollution-Control Systems.journal of Power, pp. 8 1-93.
  • Mirdrikvand, M., Moqadam, S. I., Kharaghani, A., Roozbehani, B., & Jadidi, N. (2015). Optimization of a Pilot‐Scale Amine Scrubber to Remove SO2: Higher Selectivity and Lower Solvent Consumption. Chemical Engineering & Technology.
  • S. Colle, J. Vanderschuren D. Thomas (2003), “Designing Wet Scrubbers for SO2 Absorption into Fairly Concentrated Sulfuric Acid Solutions Containing Hydrogen Peroxide,” J. CHEM. ENG. TECHNOL, 26(4), pp. 497–502.
  • Bezerra, M.A., et al. 2008, Response surface methodology (RSM) as a tool for optimization in analytical chemistry. Talanta, 76(5): 965-77.
  • Wu, Y., Cui, S. W., Tang, J., & Gu, X. (2007). Optimization of extraction process of crude polysaccharides from boat-fruited sterculia seeds by response surface methodology.Food Chemistry, 105, 1599–1605.
  • Yongting Z, Yaping Z, Wei S, Yan S, Li Z (2011) Selective adsorption of SO2 from flue gas on triethanolamine-modified large pore SBA-15. Ind Eng Chem Res 50:8698–8702.
  • Roy P, Birnbaum R, Sarlis J (2007) Use a cansolve SO2 scrubbing system to better link your batch-operated furnace with its byproduct sulphuric acid plant. J South Afr Inst Min Metall 107:305–313.
  • Raymond H. Myers, Douglas C. Montgomery, Christine M. Anderson-Cook (2009) Building empirical models, in Response Surface Methodology: Process and Product Optimization Using Designed Experiments, Jhon Wiley & sons:new jesey.p.13-73.
  • Klaus Hinkelmann, O.K. (1994) Response surface design, in Design and Analysis of Experiments, Introduction to Experimental Design, John Wiley & Sons.