Mathematical Modelling on Particulate Removal in Multistage Dual-flow Sieve Plate Column Wet Scrubber

  • Swamy KurellaEmail author
  • Pavan Kishan Bhukya
  • B. C. Meikap
Conference paper


Wet scrubbers are most important air pollution control devices used in many chemical process industries to remove particulate and acid gases from off gases. Plate scrubbers are medium level energy scrubbers, simple in design and they can be used for the removal of acid gases from the exhaust gas streams which are being released into the environment from various chemical industries. The primary particle removal mechanisms in scrubbing systems are well known where as the actual mechanism which is occurring exactly in the dual-flow sieve plate system is not yet discovered. It is most important to predict the particulate removal capacity of the system to select air pollution control device. Therefore, theoretical estimation of the column efficiency with the model is essential. This paper tries to predict the three stage dual-flow sieve plate column scrubber efficiency theoretically for 1-10 µm range fly ash particles. Dual-flow sieve plate column scrubber particle removal characteristics are analyzed by observing the gas flow rate, liquid flow rate and size of particle effects on overall efficiency. By using the concepts of diffusion, impaction and interception, the particle removal mechanism is analyzed theoretically. A mathematical model has also been suggested to predict the particulate removal efficiency in the dual-flow sieve plate column. More than 100 % removal efficiency is observed for more than 3.5 µm particle size.


Pollution control Scrubber Removal efficiency Water Fly-ash 



The authors would like to acknowledge the Department of Science and Technology (DST), Government of India(GOI) and Indian Institute of Technology (IIT) Kharagpur, India for their financial and technical support (sanction No: DST/INT/SA/P-14/2011) of this research.


  1. Cheng, L.: Collection of airborne dust by water sprays. Ind. Eng. Chem. Process Des. Devel. 12, 221–225 (1973)Google Scholar
  2. Flavio, D.M., Liliana, A.F., Nilson, R.M., Vanessa, B., Ronaldo, H.: Review of hydraulics correlations for sieve trays without downcomers. Ind. Eng. Chem. Res. 53, 8323–8331 (2014)CrossRefGoogle Scholar
  3. Fuchs, N.A.: The mechanics of aerosols. Pergamon Press, New York (1964)Google Scholar
  4. Hofhuis, P.A.M.:. Flow regimes on sieve trays for gas/liquid contacting, Ph.D. thesis, Delft University of Technology, Delft, Netherlands (1980)Google Scholar
  5. Jung, C., Lee, K.: Filtration of fine particles by multiple liquid droplet and gas bubble systems. Aerosol Sci. Technol. 29, 389–401 (1998)CrossRefGoogle Scholar
  6. Kaldor, T.G., Phillips, C.R.: Aerosol scrubbing by foam. Ind. Eng. Chem. Process Design Devel. J. 15, 199–206 (1976)CrossRefGoogle Scholar
  7. Kim, H., Jung, C., Oh, S., Lee, K.: Particle removal efficiency of gravitational wet scrubber considering diffusion, interception, and impaction. Environ. Eng. Sci. 18, 125–136 (2001)CrossRefGoogle Scholar
  8. Lee, K.W., Gieseke, J.A.: Collection of aerosol particles by packed beds. Environ. Sci. Technol. 13, 466–470 (1979)CrossRefGoogle Scholar
  9. Meikap, B., Biswas, M.: Fly-ash removal efficiency in a modified multi-stage bubble column scrubber. Sep. Purif. Technol. 36, 177–190 (2004)CrossRefGoogle Scholar
  10. Raj, M.B., Jain, R.K., Meikap, B.C.: Comprehensive analysis for prediction of dust removalefficiency using twin-fluid atomization in a spray scrubber. Sep. Purif. Technol. 63, 269–277 (2008)CrossRefGoogle Scholar
  11. Sarkar, S., Meikap, B., Chatterjee, S.G.: Modeling of removal of sulfur dioxide from flue gases in a horizontal concurrent gas–liquid scrubber. Chem. Eng. J. 131, 263–271 (2007)CrossRefGoogle Scholar
  12. Wang, Q., Chen, X., Gong, X.: Theoretical and experimental investigation on the characteristics of fly-ash scrubbing in a fixed valve tray column. Am. Inst. Chem. Eng. J. 59, 2168–2178 (2012)CrossRefGoogle Scholar
  13. Wang, Q., Chen, X., Gong, X.: The particle removing characteristics in a fixed valve tray column. Ind. Eng. Chem. Res. 52, 3441–3452 (2013)CrossRefGoogle Scholar
  14. Wark, K., Warner, G.F., Davis, W.T.: Particulate control. In Air pollution: Its Origin and Control 3rd edn. Addison-WesleyGoogle Scholar
  15. Yoshida, H., Ono, K., Fukui, K.: The effect of a new method of fluid flow control on submicron particle classification in gas-cyclones. Powder Technol. 149, 139–147 (2005)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media Singapore 2016

Authors and Affiliations

  • Swamy Kurella
    • 1
    • 2
    Email author
  • Pavan Kishan Bhukya
    • 1
    • 2
  • B. C. Meikap
    • 1
    • 2
  1. 1.Department of Chemical EngineeringIndian Institute of Technology KharagpurKharagpurIndia
  2. 2.Department of Chemical Engineering, School of Chemical Engineering, Howard College CampusUniversity of Kwazulu-Natal (UKZN)DurbanSouth Africa

Personalised recommendations