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HWAHAK KONGHAK,
Vol.28, No.1, 52-57, 1990
Vol.28, No.1, 52-57, 1990
슬러리에 CO2 기체의 흡수(I)-카올린과 백카본 슬러리에 CO2의 용해도와 확산계수-
Absorption of CO2 into Slurries(I)-Solubility and Diffusivity of Carbon Dioxide in Aqueous Slurries of Kaolin and White Carbon-
1atm, 20℃에서 카올린과 백카본 슬러리에 CO2 기체의 용해도와 확산계수를 중량법과 젖은 벽탑을 사용하여 측정하였다. 백카본 슬러리의 백카본 고체입자 표면에 흡착된 CO2 기체의 양을 구할 수 있었으며, 이로부터 백카본 슬러리에 흡수된 CO2 기체의 증가현상을 설명할 수 있었다. 슬러리용액에 기체가 흡수될 경우 슬러리의 농도 변화에 따라 측정한 기체의 용해도 및 확산게수와 농도와의 상관관계식을 얻을 수 있었다.
The solubilities and diffusivities of CO2 gas in aqueous kaolin and white carbon slurries at 1 atm and 20℃ were obtained by the gravitational method and using a wetted-wall column. The amounts of CO2 gas adsorbed onto the surface of white carbon in aqueous slurries could be calculated and the increase of solubilities of CO2 gas adsorbed onto the surface of white carbon inaqueous slurries could be calculated and the increase of solubilities of CO2 gas in aqueous white carbon slurries could also be explained. Linear equations could be used for the prediction of the solubilities and diffusivities of gas in aqueous slurries and the calculated values from the equations could be correlated with the experimental values very well.
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