Methods for designing an efficient preparative chromatographic separation process

An algorithm for obtaining a set of optimized parameters for an efficient chromatographic separation process comprising the steps of:

• a. collecting column radius, particle size, column capacity, bed void, particle porosity, displacer concentration, diffusivity coefficients, feed concentration and composition, selectivity, target yield, pressure limit, and purity cut;
• b. calculating an overall mass transfer coefficient;
• c. determining a nonideal factor from an empirical correlation;
• d. calculating a loading fraction from said nonideal factor;
• e. calculating a flow rate for a plurality of column lengths based on said mass transfer coefficient;
• f. verifying that said flow rate is permissible under a specified pressure limit;
• g. determining a plurality of productivities and selecting the highest productivity system;
• and
• h. outputting a set of optimized parameters for said efficient chromatographic separation process.

An algorithm for obtaining a set of optimized parameters for a production separation process based a production goal comprising the steps of:

• a. collecting particle size, column capacity, bed void, particle porosity, displacer concentration, diffusivity coefficients, feed concentration and composition, selectivity, target yield, pressure limit, and purity cut;
• b. calculating an overall mass transfer coefficient;
• c. determining a nonideal factor from an empirical correlation;
• d. calculating a loading fraction from said nonideal factor;
• e. calculating a flow rate for a plurality of column lengths based on said mass transfer coefficient;
• f. verifying said flow rate is permissible under a specified pressure limit;
• g. determining a productivity for each column length and selecting a highest productivity system;
• and
• h. determining an inner diameter for a column required for said production goal;
• i. outputting a set of optimized parameters for said production chromatographic separation process.

An algorithm for obtaining optimized parameters for a production separation process based on a column comprising the steps of:

• a. collecting particle size, column capacity, bed void, particle porosity, displacer concentration, diffusivity coefficients, feed concentration and composition, selectivity, target yield, pressure limit, and purity cut;
• b. calculating an overall mass transfer coefficient;
• c. determining a nonideal factor from an empirical correlation;
• d. calculating a loading fraction from said nonideal factor;
• e. calculating a flow rate for column length of said column based on said mass transfer coefficient;
• f. verifying said flow rate is permissible under specified pressure limit for said column;
• otherwise, setting a flow rate at the pressure limit;
• g. outputting a set of optimized parameters for the preparative chromatographic separation process.