Download GTU BE/B.Tech 2018 Winter 6th Sem New 2160507 Advance Separation Techniques Question Paper

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Subject Code: 2160507

GUJARAT TECHNOLOGICAL UNIVERSITY

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Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

1. List commercial application of melt crystallization (03 MARKS)
2. List the advantages of membrane separation techniques. (04 MARKS)

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3. Explain in detail concept and working of short path distillation unit process. (07 MARKS)

Q.2

1. List all applications of membrane distillation process. (03 MARKS)
2. Explain four steps of pressure swing adsorption with an example. (04 MARKS)
3. Explain the principal of supercritical extraction using ROSE process. (07 MARKS)

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OR

1. List out all commercial applications of supercritical extraction. (07 MARKS)

Q.3

1. Define with an example a membrane separation technique. (03 MARKS)
2. Discuss the phase equilibrium diagram of melt crystallization. (04 MARKS)

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3. Explain the various aspect of reactive and catalytic distillation over the conventional distillation (07 MARKS)

OR

1. List commercial application of pressure swing adsorption. (03 MARKS)
2. Explain BALE packing and KATMAX packing. (04 MARKS)
3. Explain in detail the different method of melt crystallization. (07 MARKS)

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Q.4

1. Give the disadvantages of supercritical extraction over liquid-liquid extraction. (03 MARKS)
2. List out all commercial applications of reverse osmosis. (04 MARKS)
3. Clarify the advantages & disadvantages of pressure swing distillation over azeotropic and extractive distillation. (07 MARKS)

OR

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1. Explain the reverse osmosis process. (03 MARKS)
2. Discuss in detail the de-caffination process. (04 MARKS)
3. Explain working of pressure swing distillation and list its applications. (07 MARKS)

Q.5

1. Explain concept and working of nanofiltration. (03 MARKS)

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2. Explain membranes modules used in membrane reactor. (04 MARKS)
3. List all commercial application of pervaporiation and ultra filtration. (07 MARKS)

OR

1. Explain concept and working of ultrafiltration. (03 MARKS)
2. Discuss with an example the working principal of osmotic distillation. (04 MARKS)

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3. Explain the pervaporization method for the production of absolute alcohol. (07 MARKS)

Date: 30/11/2018
Total Marks: 70

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