A fermentation broth with viscosity 10-2 Pa s and density 1000 kg m-3 is agitated in a 3.00 m3 baffled tank using a Rushton turbine with diameter 0.5 m and stirrer speed 1 s-1. Estimate the mixing time.

A fermentation broth with viscosity 10-2 Pa s and density 1000 kg m-3

1.	A fermentation broth with viscosity 10-2 Pa s and density 1000 kg m-3 is agitated in a 3.00 m3 baffled tank using a Rushton turbine with diameter 0.5 m and stirrer speed 1 s-1. Estimate the mixing time.
A.	37 s
B.	33 s
C.	35 s
D.	39 s
Answer» B. 33 s