Li, Liqing
(Dept. of Environmental Science and Engineering, Hunan University)
,
Zhang, Baojie
(School of Environmental Science and Engineering, Harbin Institute of Technology)
,
Zeng, Guangming
(Dept. of Environmental Science and Engineering, Hunan University)
,
Hans, JurgenROhm
(Dept. of Mechanical Engineering,University Bochum)
To identify the law of desorption under vacuum, the adsorption and vacuum desorption of organic vapor acetone on activated carbon ( C40/4) are experimented and measured under different conditions, such as different vacuum, temperature, inlet concentration for adsorption and initial concentration for...
To identify the law of desorption under vacuum, the adsorption and vacuum desorption of organic vapor acetone on activated carbon ( C40/4) are experimented and measured under different conditions, such as different vacuum, temperature, inlet concentration for adsorption and initial concentration for desorption. The experiment data shows that the gradient of adsorption curve is influenced by inlet concentration and operat-ing pressure;the gradient of desorption curve is influenced by the operating pressure and the difference be-tween initial concentration and balance concentration for desorption; while the temperature, bed height and adsorption empty tower velocity only make the curve move horizontally; the larger the desorption vacuum, the larger the desorption rate. When the outlet concentration of desorption reaches half of the initial concentration, the rate will reduce greatly. Due to the capillary phenomenon of the micro pore in adsorbents, in lower than 0. 06 -0. 07 MPa pressure condition, the outlet concentration will jump slightly and then stay in a high figure for long time, and then reduce slightly. The variation of operating temperature caused by various factors is small and has little influence on the adsorption and desorption speed.
To identify the law of desorption under vacuum, the adsorption and vacuum desorption of organic vapor acetone on activated carbon ( C40/4) are experimented and measured under different conditions, such as different vacuum, temperature, inlet concentration for adsorption and initial concentration for desorption. The experiment data shows that the gradient of adsorption curve is influenced by inlet concentration and operat-ing pressure;the gradient of desorption curve is influenced by the operating pressure and the difference be-tween initial concentration and balance concentration for desorption; while the temperature, bed height and adsorption empty tower velocity only make the curve move horizontally; the larger the desorption vacuum, the larger the desorption rate. When the outlet concentration of desorption reaches half of the initial concentration, the rate will reduce greatly. Due to the capillary phenomenon of the micro pore in adsorbents, in lower than 0. 06 -0. 07 MPa pressure condition, the outlet concentration will jump slightly and then stay in a high figure for long time, and then reduce slightly. The variation of operating temperature caused by various factors is small and has little influence on the adsorption and desorption speed.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.