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Modeling and operation of a simulated moving bed for the separation of optical ...
Rodrigues, A.E.; Lu, Z.P.; Loureiro, José M.; Pais, L.S.A model for predicting the steady state behavior of the simulated moving bed (SMB) is developed. SMB performance is characterized by purity, recovery, solvent consumption and productivity. The effect of switching time (rotation period), extract flowrate and section length on the SMB performance is discussed. A pilot plant for the separation of optical isomers is operated and tested with two systems: “Sandoz epo...
Separation of enantiomers of 1a,2,7,7a-tetrahydro-3-methoxynaphtha-(2,3b)-oxira...
Rodrigues, A.E.; Lu, Z.P.; Loureiro, José M.; Pais, L.S.The separation of enantiomers of la,2,7,7a-tetrahydro-3-methoxynaphtha-(2,3b)-oxirane (Sandoz epoxide) on cellulose triacetate HPLC columns was investigated on the laboratory scale. The performance of the columns was calculated by HEPT measurements and the slopes of the adsorption equilibrium isotherms and effective diffusivities were calculated from elution chromatographic experiments. Multi-component adsorpti...
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