What is the exam pattern and passing mark for GTU Advanced Separation Processes (3160507)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

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Gujarat Technological UniversitySummer 2025 examination

GTU 3160507 Advanced Separation Processes Summer 2025 Question Paper & PDF

B.E. · Chemical Engineering · Semester 6 · Subject code 3160507

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Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 10:30 AM – 1:00 PM
Questions: 5 with internal choice

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Q.1

14 Marks

(a)

3 marks

Define the term “separation factor”. Also describe the feasibility of separation based on the different values of separation factor.

(b)

4 marks

Describe the working of membrane bioreactor in brief.

(c)

7 marks

Explain working of gas chromatography with neat a figure in detail.

Q.2

14 Marks

(a)

3 marks

Differentiate between equilibrium separation processes and rate-governed separation processes with appropriate examples.

(b)

4 marks

Describe the principle of thin-layer chromatography in brief.

(c)

7 marks

List the essential properties of a super critical solvent. Also describe their advantages and disadvantages over conventional liquid solvents.

(c)

7 marks

Describe RO process with a schematic diagram and also explain its application in desalination.

Q.3

14 Marks

(a)

3 marks

Explain the merits of reactive distillation over conventional technology (Reactor followed by distillation column).

(b)

4 marks

List at least four industrial applications of short path distillation.

(c)

7 marks

Explain the manufacturing of ETBE using reactive distillation. Also explain the effect of various parameters on the performance of reactive distillation unit.

(a)

3 marks

Discuss about different materials used for membranes synthesis.

(b)

4 marks

List at least four industrial applications of reactive distillation technology.

(c)

7 marks

Explain design and working of shorth path distillation unit. Also explain sepearation of Vitamin-E from crude Vitamin-E acetate with the help of neat process flow diagram using short path distillation.

Q.4

14 Marks

(a)

3 marks

Explain concept and working of nanofiltration.

(b)

4 marks

Classify different types of membrane process based on the driving force.

(c)

7 marks

With a flow sheet, explain the working of Kraft process for decaffeination of coffee.

(a)

3 marks

Compare short-path distillation with molecular distillation.

(b)

4 marks

Explain the different problems associated with membranes and its possible solutions.

(c)

7 marks

Explain ROSE process with a neat flow diagram.

Q.5

14 Marks

(a)

3 marks

Describe the factors affecting the efficiency of electrophoresis in brief.

(b)

4 marks

Compare ion exchange chromatography with gel filtration chromatography.

(c)

7 marks

Explain working principle of pervaporation and enlist its various industrial applications.

(a)

3 marks

Discuss with a neat sketch: BALE and KATMAX packing for reactive and catalytic distillation.

(b)

4 marks

Compare gel electrophoresis with paper electrophoresis

(c)

7 marks

Enlist various membrane modules used for membrane separation processes and describe any two of them in detail.

More Advanced Separation Processes papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions

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About this paper

Official Gujarat Technological University (GTU) examination paper for Advanced Separation Processes (Summer 2025, B.E. · Chemical Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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