Chemical Absorption of Carbon Dioxide into Aqueous Colloidal Silica Solution with Triethanolamine

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概要

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• Carbon dioxide was absorbed into an aqueous nanometer sized colloidal silica solution of 0–31 wt% and triethanolamine of 0–2 kmol/m3 in a flat-stirred vessel with an impeller size of 0.05 m and speed of 50 rpm at 25°C and 101.3 kPa to measure the absorption rate of CO2. The measured rate of CO2 absorption was compared with the values estimated from the model based on the film theory accompanied by chemical reaction. The volumetric liquid-side mass transfer coefficient (kLaL) of CO2 decreased with increasing silica concentration and was expressed as an empirical correlation formula presenting the relationship between kLaL and the rheological behavior of the aqueous colloidal silica solution. Reduction of the measured kLaL was explained by the viscoelastic properties of the aqueous colloidal silica solution.

• 社団法人 化学工学会の論文
• 2008-07-01

著者

• Park Sang-wook

  Division Of Chemical Engineering Pusan National University

• Oh Kwang-joong

  Division Of Chemical Engineering Pusan National University

• CHOI Byoung-Sik

  Division of Chemical Engineering, Pusan National University

• LEE Jae-Wook

  Department of Chemical and Biomolecular Engineering, Sogang University

• Lee Jae-wook

  Department Of Chemical And Biomolecular Engineering Sogang University

• Choi Byoung-sik

  Division Of Chemical Engineering Pusan National University

• LEE Jae-Wook

  Department of Chemical and Biochemical Engineering, Chosun University

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