• Title, Summary, Keyword: autocirculation bubble lift column reactor

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Methane Recovery and Carbon Dioxide Stripping by MEA Solution the Autocirculation Bubble Lift Column Reactor (내부순환식 기포탑 반응기 상에서 MEA (monoethanolamine) 용액에 의한 이산화탄소 분리 및 메탄회수)

  • Lee, In-Hwa;Kim, Sun-Yil;Park, Ju-Young
    • Applied Chemistry for Engineering
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    • v.18 no.3
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    • pp.239-244
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    • 2007
  • For the simultaneous methane recovery and $CO_2$-stripping, we have been developed dual vent auto circulation bubble lift column reactor, and evaluate optimum conditions for monoethanolamine (MEA) solutions as a $CO_2$ absorbent. At the 5 wt% MEA solution, we investigated the pH change during $CO_2$-stripping and absorption reaction, $CO_2$-stripping rate with reaction time, methane recovery efficiency for various inflow rates of air, $CO_2$-stripping rate for flow liquid over flow height, and $CO_2$-stripping dependency on the temperature of absolvent solutions. The suggested optimum conditions for $CO_2$ recovery with MEA in the dual vent auto circulation bubble lift column reactor were 40 mm over flow liquid height, 1.5 L/min of air inflow rate, and $25^{\circ}C$ of absorbent solution temperature.

Development of Land Fill Gas(LFG)-MGT Power Generation and Green House Design Technology (쓰레기 매립지 MGT 발전 및 유리온실 설계기술개발)

  • Hur, Kwang-Beom;Park, Jung-Keuk;Lee, Jung-Bin
    • Journal of Energy Engineering
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    • v.20 no.1
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    • pp.13-20
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    • 2011
  • The high fuel flexibility of Micro Gas Turbine(MGT) has boosted their use in a wide variety of applications. Recently, the demand for biogas generated from the digestion of organic wastes and landfill as a fuel for gas turbines has increased. We researched the influence of firing landfill gas(LFG) on the performance and operating characteristics of a micro gas turbine combined heat and power system. $CH_4$ and $CO_2$ simultaneous recovery process has been developed for field plant scale to provide an isothermal, low operating cost method for carrying out the contaminants removal in Land Fill Gas(LFG) by liquid phase catalyst for introduce into the green house for the purpose of $CO_2$ rich cultivation of the plants. Methane purification and carbon dioxide stripping by muti panel autocirculation bubble lift column reactor utilizing Fe-EDTA was conducted for evaluate optimum conditions for land fill gas. Based on inflow rate of LFG as 0.207 $m^3$/min, 5.5 kg/$cm^2$, we designed reactor system for 70% $CH_4$ and 27% $CO_2$ gas introduce into MGT system with $H_2S$ 99% removal efficiency. A green house designed for four different carbon dioxide concentration from ambient air to 1500 ppm by utilizing the exhaust gas and hot water from MGT system.