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Posted Date: 02 Jul 2008 Posted By: Sunil Reddy Member Level: Platinum
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2008 Jawaharlal Nehru Technological University Chemical engineering IV B.Tech II Semester Regular Examinations, Apr/May 2008 MEMBRANE TECHNOLOGY Question paper
Code No: RR420802
Set No. 2
IV B.Tech II Semester Regular Examinations, Apr/May 2008
MEMBRANE TECHNOLOGY
(Chemical Engineering)
Time: 3 hours
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
Max Marks: 80
1. Write a brief note on the signi?cance of separation process in chemical process
industries.
2. Write the applications of Ultra ?ltration in food Industry.
[16]
[16]
3. Write on the preparation techniques for immersion precipitation for the preparation
of membranes.
4. What are the characteristics of liquid membranes?
5. Write a note on industrial dialyzers.
6. (a) What is the di?erence between brackish water and sea water?
[16]
[16]
[16]
(b) What is pretreatment required for sea water to be treated by electro dialysis?
(c) Explain the conventional methods that could be employed for the treatment
of sea water.
[4+6+6]
7. Write a note on the feed pretreatment for Reverse Osmosis. Why the pretreatment
is necessary.
8. What is plasticization? Explain its signi?cance in gas permeation
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