Download GTU BE/B.Tech 2019 Summer 6th Sem New 2160507 Advance Separation Techniques Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2160507 Advance Separation Techniques Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code: 2160507 Date: 18/05/2019
Subject Name: Advance Separation Techniques
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) List the chemicals commonly used as supercritical solvent. 03
(b) Explain the commercial applications of short path distillation process 04
(c) Explain the concept of Reactive Distillation with a neat flowsheet and its
application.
07

Q.2 (a) Compare short path distillation with molecular distillation. 03
(b) What are the essential properties of a good supercritical solvent? 04
(c) Discuss the Advance separation techniques applied in chemical industry
and their benefits with example.
07
OR
(c) Describe the manufacturing of ETBE by Reactive Distillation process.
And compare with the conventional process.
07
Q.3 (a) List all the membrane based separation processes. 03
(b) Draw flow sheet of batch super critical extraction. 04
(c) Explain in detail the purification of hydrogen using six bed Pressure
Swing Adsorption (PSA) technique.
07
OR
Q.3 (a) List the advantages of PSA over cryogenic distillation. 03
(b) Explain the concept of Melt Crystallization. 04
(c) Discuss principal of pressure swing Adsorption with one industrial
application in details.
07
Q.4 (a) Draw a neat sketch of a cross-flow membrane process. 03
(b) Define Nanofiltration and Explain factors affecting Nanofiltration. 04
(c) Explain the concept of Reverse Osmosis (RO) and discuss in detail the use
of RO in desalination process.
07
OR
Q.4 (a) Discuss working principle of Reverse Osmosis. 03
(b) Write short note on Membrane cleaning. 04
(c) Discuss working principle of Ultra Filtration and its industrial
applications.
07
Q.5 (a) Write short note on membrane distillation. 03
(b) Explain the working of a membrane reactor. 04
(c) Write with neat sketch about different Modules used in membrane
separation.
07
OR
Q.5 (a) Write commercial applications of Pervaporation. 03
(b) Write short note on Nanofiltration. 04
(c) Explain the concept of Pervaporation and describe in detail the
manufacturing of MTBE by using pervaporation with neat sketch.
07

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