+1 vote
in Food Processing Unit Operations by (110k points)
What is the pore size in ultra-filtration?

(a) Around 0.1 micron

(b) Around 0.01 micron

(c) Around 0.001 micron

(d) Around 0.0001 micron

The question was asked during a job interview.

Origin of the question is Filtering Medium Resistance in chapter Filtration of Food Processing Unit Operations

1 Answer

+1 vote
by (736k points)
selected by
 
Best answer
Right choice is (b) Around 0.01 micron

Explanation: An ultrafiltration filter has a pore size around 0.01 microns. Ultrafiltration would remove larger particles and also remove some viruses. It is a membrane filtration process where hydrostatic pressure forces a liquid against a semi permeable membrane.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community
...