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EFFECTS OF PRESSURE DROP IN A PSA PROCESS
Korean Journal of Chemical Engineering, March 1998, 15(2), 211-216(6), 10.1007/BF02707074
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Abstract
The effects of pressure drop on the dynamics of fried-beds were theoretically studied. The system used was an H2/CO mixture (70 vol% H2, 30 vol% CO) in zeolite 5A. The pressure drop at the pressurization step affected the breakthrough time at an adsorption step in the PSA process. As a result, the combined effects of pressure drop during adsorption and pressurization steps led to earlier breakthrough compared to the case without a pressure drop. The effect of pressure drop at the adsorption step under the non-isothermal condition was slightly larger than that under the adiabatic condition. In the case of pressurization and blowdown steps with large pressure drop, the flow pattern near the open end during a short period of time had to be explained by the Ergun equation instead of Darcy’s law. However, there was only a slight difference in the results of a multi-bed PSA process depending on whether or not the pressure drops at the pressurization/depressurization steps as well as at the adsorption step were considered.
References
Buzanowski MA, Yang RT, Haas OW, Chem. Eng. Sci., 44, 2392 (1989)
Doong SJ, Yang RT, AIChE Symp. Ser., 264(84), 145 (1988)
Hart J, Battram MJ Thomas WJ, Gas Sep. Purif., 4, 97 (1990)
Han S, Lee H, HWAHAK KONGHAK, 33(6), 720 (1995)
Han S, Yang J, Lee CH, Lee H, HWAHAK KONGHAK, 34(3), 277 (1996)
Kikkinides ES, Yang RT, Chem. Eng. Sci., 48, 1545 (1993)
Kim WG, Yang J, Han S, Cho C, Lee CH, Lee H, Korean J. Chem. Eng., 12(5), 503 (1995)
Lu ZP, Loureiro J, Levan D, Rodriguez A, Chem. Eng. Sci., 48, 1699 (1992)
Lu ZP, Loureiro J, LeVan D, Rodrigues A, Gas Sep. Purif., 6, 15 (1992)
Rodrigues AE, Loureiro JM, LeVan MD, Gas Sep. Purif., 5, 115 (1991)
Ruthven DM, Farooq S, Knaebel KS, "Pressure Swing Adsorption," VCH, New York (1994)
Sereno C, Rodrigues A, Gas Sep. Purif., 7, 167 (1993)
Sundaram N, Wankat PC, Chem. Eng. Sci., 43, 123 (1988)
Yang RT, "Gas Separation by Adsorption Process," Butterworths, Boston (1987)
Yang J, Cho C, Baek KH, Lee CH, HWAHAK KONGHAK, 35(4), 545 (1997)
Yang JY, Lee CH, Chang JW, Ind. Eng. Chem. Res., 36(7), 2789 (1997)
Yang J, Han S, Cho C, Lee CH, Lee H, Sep. Technol., 5(4), 239 (1995)
Zhong GM, Meunier F, Huberson S, Chalfen JB, Chem. Eng. Sci., 47, 543 (1992)
Doong SJ, Yang RT, AIChE Symp. Ser., 264(84), 145 (1988)
Hart J, Battram MJ Thomas WJ, Gas Sep. Purif., 4, 97 (1990)
Han S, Lee H, HWAHAK KONGHAK, 33(6), 720 (1995)
Han S, Yang J, Lee CH, Lee H, HWAHAK KONGHAK, 34(3), 277 (1996)
Kikkinides ES, Yang RT, Chem. Eng. Sci., 48, 1545 (1993)
Kim WG, Yang J, Han S, Cho C, Lee CH, Lee H, Korean J. Chem. Eng., 12(5), 503 (1995)
Lu ZP, Loureiro J, Levan D, Rodriguez A, Chem. Eng. Sci., 48, 1699 (1992)
Lu ZP, Loureiro J, LeVan D, Rodrigues A, Gas Sep. Purif., 6, 15 (1992)
Rodrigues AE, Loureiro JM, LeVan MD, Gas Sep. Purif., 5, 115 (1991)
Ruthven DM, Farooq S, Knaebel KS, "Pressure Swing Adsorption," VCH, New York (1994)
Sereno C, Rodrigues A, Gas Sep. Purif., 7, 167 (1993)
Sundaram N, Wankat PC, Chem. Eng. Sci., 43, 123 (1988)
Yang RT, "Gas Separation by Adsorption Process," Butterworths, Boston (1987)
Yang J, Cho C, Baek KH, Lee CH, HWAHAK KONGHAK, 35(4), 545 (1997)
Yang JY, Lee CH, Chang JW, Ind. Eng. Chem. Res., 36(7), 2789 (1997)
Yang J, Han S, Cho C, Lee CH, Lee H, Sep. Technol., 5(4), 239 (1995)
Zhong GM, Meunier F, Huberson S, Chalfen JB, Chem. Eng. Sci., 47, 543 (1992)
