Predictive Model for Design of Fixed-Bed Adsorbers: Single-Component Model Verification

by John C. Crittenden, (A.M.ASCE), Asst. Prof. of Civ. and Environmental Engrg.; Washington State Univ., Pullman, Wash.,
Walter J. Weber, Jr., (M.ASCE), Prof. of Environmental and Water Resources Engrg. and Chmn.; Water Resources Program, Univ. of Michigan, Ann Arbor, Mich.,


Serial Information: Journal of the Environmental Engineering Division, 1978, Vol. 104, Issue 3, Pg. 433-443


Document Type: Journal Paper

Abstract: A predictive mathematical model for fixed-bed adsorber design that incorporates both liquid and solid phase resistances to mass transfer is verified for four different single-component systems under normal operating conditions. The adsorbates chosen for model verification were selected on the basis of representing a broad range of diffusive and adsorptive properties. Mass transfer limitations for the adsorbates vary from primarily intraparticle mass transfer resistance to primarily liquid-phase mass transfer resistance, and adsorption capacities vary over an order of magnitude. The general agreement between model predictions and fixed-bed performance under a wide variety of conditions confirms the model validity for predicting single-component adsorber behavior. Related papers by the writers describe model development, parameter estimation, and multicomponent model verifications.

Subject Headings: Load and resistance factor design | Mass transfer | Verification | Mathematical models | Adsorption | Mathematics | Solid mechanics | Agreements and treaties

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