Pune University BE Civil Industrial Waste Water Management Question Papers

Pune University BE Civil Industrial Waste Water Management

Question Papers


(Open Elective) (Sem. – II)

Time :3 Hours]                                                                           [Max. Marks :100

Instructions to the candidates:

1)           Answer any three questions from each section.

2)           Answers to the two sections should be written in separate books.

3)           Neat diagrams must be drawn wherever necessary.

4)           Your answers will be valued as a whole.

5)           Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed.

6)           Assume suitable data, if necessary.


QI) Explain the following processes for the removal of colloidal 8 dissolved solids in waste water:                                                                                                                                     [18]

a)        Ultra filtration

b)        Reverse -osmosis

c)        Electro- Dialysis


Q2) a) Discuss in detail about the Physical unit processes commonly used in waste water treatment.                                                                                        [10]

b) Explain the process for removal of color 8 odour from waste water by activated carbon filtration.                                                                                                     [8]

Q3) a) State 8 draw the single stage 8 two stage lime treatment process flow diagram for phosphorus removal.                                                                    [10]

b)          Discuss in detail about the chemical oxidation with ozone for the reduction in COD 8 colour in waste water?                                                                                      [T]



Q4) a) Explain briefly how wetland could be used for waste water treatment system?      [9]

b) Explain chemical process for removal of heavy metals from waste water.


Q5) a) Explain briefly about the biological process for removal of phenol from industrial waste water?                                                                                                                   [9]

b) Discuss the recycling of treated sewage after tertiary treatment? [7]


Q6) Write in brief about:                                                                                 [IT]

a)        Membrane reactor with submerged membrane

b)        Cyclic reactor

c)        Nitrification process

d)        Denitrification process


Q7) a) Draw 8 describe the schematic diagram of a waste water treatment plant to reuse the sewage in residential complex.                                                                                       [9]

b) Describe the methods of three R principles to convert waste in to wealth?



Q8) a) Explain how waste water could be used for irrigation? Also discuss about preventive measures 8 health aspects?                                                                                [9]

b) Explain the mechanism of Soda recovery in pulp 8 paper mills? [9]

Q9) a) Explain the concept of Zero Discharge of effluent?                                            [8]

b) Discussed the application of zero discharge technology based on three R principle for pulp 8 paper industries.                                                                              [8]



QI 0) a) Draw 8 discuss the flow sheet for the zero discharge of waste water produced in Sugar cane industries?                                                                                                   [8]

b) Explain about the zero discharge of solid waste from residential complex?


QII) a) Discuss the pollution hazards due to radioactive materials?                             [8]

b) Explain the sorption mechanism 8 BDST model?                                          [8]


Q12) a) Explain in brief the standards related to solid waste from residential complex?   [6]

b) Discuss about the green processes adopted in the industries? [10]

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