TY - JOUR
T1 - Prediction of breakthrough curves from fixed-bed adsorbers with freundlinch-type multisolute isotherm
AU - Sheindorf, C.
AU - Rebhun, M.
AU - Sheintuch, M.
PY - 1983
Y1 - 1983
N2 - A novel Freundlich-type multisolute adsorption isotherm, recently proposed by the authors, is incorporated into a model of fixed-bed adsorber to adequately describe the breakthrough curves of two and three competing organic micropollutants. The curves are approximated by the constant pattern asymptotic solution. Batch kinetic studies, employed to determine apparent diffusivities, revealed that although surface diffusion is not negligible a pore diffusion model is satisfactory for describing the adsorption in most of the concentration range. Several surprising features, like an oscillatory output or an undershoot below the feed concentration were observed in bi- and trisolute systems and their reflection on the model is discussed.
AB - A novel Freundlich-type multisolute adsorption isotherm, recently proposed by the authors, is incorporated into a model of fixed-bed adsorber to adequately describe the breakthrough curves of two and three competing organic micropollutants. The curves are approximated by the constant pattern asymptotic solution. Batch kinetic studies, employed to determine apparent diffusivities, revealed that although surface diffusion is not negligible a pore diffusion model is satisfactory for describing the adsorption in most of the concentration range. Several surprising features, like an oscillatory output or an undershoot below the feed concentration were observed in bi- and trisolute systems and their reflection on the model is discussed.
UR - http://www.scopus.com/inward/record.url?scp=0020591441&partnerID=8YFLogxK
U2 - 10.1016/0009-2509(83)85017-9
DO - 10.1016/0009-2509(83)85017-9
M3 - 文章
AN - SCOPUS:0020591441
SN - 0009-2509
VL - 38
SP - 335
EP - 342
JO - Chemical Engineering Science
JF - Chemical Engineering Science
IS - 2
ER -