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Abstract
A simulated moving-bed adsorber (SMBA) consisting of only three or four columns packed with gel chromatographic materials was applied for the continuous desalting of bovine serum albumin (BSA) from ammonium sulfate. It was shown experimentally that the solutes could be continuously recovered in different streams at concentrations of over 50% of their feed concentrations. The recovery of BSA was in the range of 70 ∼ 80%, while that of ammonium sulfate was over 95%. Calculation showed that BSA could be recovered at the concentration of over 90% of its concentration in the feed with a recovery of over 98%. The criteria for the flow rates in the SMBA were also shown for good separation.