Downstream Processing

An ion exchange resin is composed of

A:

polymeric network

B:

ionic functional groups

C:

counter ions

D:

all of these

Answer: D

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A common filter medium is the cloth filter generally made of

A:

canvas

B:

synthetic fabrics

C:

metal or glass fiber

D:

all of these

Answer: D

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The efficiency of cell disruption in a bead mill depends on the

A:

concentration of the cells

B:

amount and size of beads

C:

type and rotational speed of agitation

D:

all of these

Answer: D

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A system which require less solvent and produces a more concentrated extract phase, is desired with a

A:

large distribution coefficients

B:

small distribution coefficients

C:

very small distribution coefficients

D:

constant distribution coefficients

Answer: A

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Concentration polarization can be reduced further by

A:

pre filtering the solution

B:

reducing the flow rate per unit membrane surface area

C:

back washing periodically

D:

all of the above

Answer: D

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Questions for: Downstream Processing