Practice question
Question
Continuous Stirred Tank Reactor (CSTR) is running at a dilution (D) of 0.3 h ⁻¹ and the product formed is growth associated with Yp/x = 0.2 g/g. In order to obtain productivity = 1.2 gl ⁻ˡ h ⁻¹ we need to have at steady state a biomass concentration of:
Explanation
In aptitude and reasoning, quantitative reasoning dictates that ratio, percentage and series logic determine correct calculation. Therefore 20 g/I is correct as it meets mathematical and logical criteria, supported by mechanistic studies and conserved across related systems.
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