Curioustab

Home » Biochemical Engineering » Downstream Processing

The solvent flux across the membrane can be expressed as (where A is the area, Lp is the membrane permeability, σ is the reflection point, Δp is applied pressure and Δπ is the osmotic pressure)

J = Lp(Δp - σΔπ)
J/A = Lp(Δp - σΔπ)
J = Lp/σΔπ
J/A = Lp/Δp

Correct Answer: J = Lp(Δp - σΔπ)

← Previous Question Next Question→

More Questions from Downstream Processing

A typical tubular centrifuge has a bowl of 2 to 5 inch in diameter and 9 to 30 inch in height with a maximum rotating speed of
The disk centrifuge is the type of centrifuge used most often for bio separations due to its
Which of the following is not the physical method for the cells rupturing?
The optimum wet solid content for the cell suspension for a bead mill is typically somewhere between
The effectiveness of a solvent can be measured by the
A system which require less solvent and produces a more concentrated extract phase, is desired with a
If the membrane rejects all solute, the rejection coefficient (s) is
Assuming the laminar flow across the filter, the rate of filtration (dVf/dt) can be expressed as a function of pressure drop Dp by the modified D'Arcy's equation as (where A is the area of filtering surface, K is the D'Arcy's filter cake permeability and L is the thickness of the filter cake)
Filtration leaf test results indicate that the filtration rate of a protein product is 100 dry lbs/(ft2 hr). What size production filter would be required to obtain 100 dry lbs of filter cake/hr?
Which of the operation does not come under upstream processing?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion