Arthrospira platensis was cultivated photoautotrophically at 6.0 klux light intensity in 5.0-L open tanks, using a mineral medium containing urea as nitrogen source. Fed-batch experiments were performed at constant flowrate. A central composite factorial design combined to response surface methodology (RSM) was utilized to determine the relationship between the selected response variables (cell concentration after 10 days, Xm, cell productivity, PX, and nitrogen-to-cell conversion factor, YX/N) and codified values of the independent variables (pH, temperature, T, and urea flowrate, K).
Influence of pH, temperature, and urea molar flowrate on Arthrospira platensis fed-batch cultivation: a kinetic and thermodynamic approach
CONVERTI, ATTILIO;
2007-01-01
Abstract
Arthrospira platensis was cultivated photoautotrophically at 6.0 klux light intensity in 5.0-L open tanks, using a mineral medium containing urea as nitrogen source. Fed-batch experiments were performed at constant flowrate. A central composite factorial design combined to response surface methodology (RSM) was utilized to determine the relationship between the selected response variables (cell concentration after 10 days, Xm, cell productivity, PX, and nitrogen-to-cell conversion factor, YX/N) and codified values of the independent variables (pH, temperature, T, and urea flowrate, K).
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