Design Parameters Estimations for Bubble Column Reactors to Remove Toxic Gases

독성가스 제거용 기포탑 반응기의 설계기법

  • Oh, Junghwan (Department of Environmental and Safety Engineering,Ajou University) ;
  • Hong, Min Sun (Department of Environmental and Safety Engineering,Ajou University)
  • 오정환 (아주대학교 환경안전공학과) ;
  • 홍민선 (아주대학교 환경안전공학과)
  • Received : 2018.12.04
  • Accepted : 2018.12.16
  • Published : 2018.12.31


Gas-liquid bubble column reactors are extensively used in industrial processes. A detailed knowledge of bubble size distribution is needed for determining the mass transfer in gas-liquid film. Experimental data on bubble size distribution and liquid-side mass transfer coefficient($k_L$) were used to calculate the estimated time to saturation in bubble column reactor. Also, the gas flux was evaluated to the liquid-side mass transfer coefficient($k_L$) and solubility data for hydrogen sulfide($H_2S$) and chlorine($Cl_2$) absorption into water. Simulation results show that $H_2S$ absorption time to 50 % of saturation concentrations are 611 sec and 1,329 sec when bubble diameters are 0.5 mm and 4.5 mm, while absorbing 1 % $H_2S$ gas. In case of $Cl_2$, absorption time range 657 to 1,400 sec when bubble size range 0.5 mm to 4.5 mm, while absorbing 1 % $Cl_2$ gas. Calculated simulation results can be used in the design of emergency relief bubble reactors.


Supported by : 한국에너지기술평가원(KETEP)


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