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Estimate the value of “rX”,which is the volumetric rate of biomass production.(a) kg m^-1 s^-1(b) kg ms^-1(c) kg m^-3s^-1(d) kg m^-3s^-3The question was posed to me by my school teacher while I was bunking the class.The question is from Cell Growth Kinetics in section Homogenous Reactions of Bioprocess Engineering

Answer»

Right OPTION is (c) kg m^-3s^-1

Easy explanation: Rate of cell GROWTH is described by the equation:

rX = μx

where rX is the VOLUMETRIC rate of BIOMASS production with units of, for example, kg m^-3 s^-I, x is viable cell CONCENTRATION with units of, for example, kg m^-3, and μ is the specific growth rate. Specific growth rate has dimensions T^-1.



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