Bioreactor engineering

At time 8.3 the air is cut off, at time 33 the air supply is activated. Determine kLa, qO₂x and C_AL.

0 2.7 5.5 8.3 11..1 13.8 16.6 19.4 22.2 25 27.7 30.5 33.3 36.1 38.8 41.6 44.4 Tiempo (h) x 103 CAL ppm 5.2 5.2 5.2 5.2 4.7 4.2 3.7 3.1 2.6 2.0 1.5 0.9 2.8 3.8 4.2 4.4 4.5