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IV B.Tech. II Semester Supplementary Examinations, November/December 2011

INDUSTRIAL POLLUTION CONTROL ENGINEERING

(Chemical Engineering)

Time: 3 Hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

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1. a) What is pollution? Explain the classification of pollution. [8]

b) Write a short note on effluent guidelines and standards [8]

2. What are the sources of pollutants from the fertilizer and Paper and pulp industries?

Explain the characteristics of the pollutants from these industries. [16]

3. Discuss the removal of sulfur from gases using [2x8]

a) Alkalized alumina process

b) Manganese oxide process

4. a) Explain in detail the global emissions of major air pollutants [8]

b) Explain briefly [2x4]i) Incineration. ii) Land filling.

5. Explain photo-chemical smog with chemical reactions and explain how it pollutes

the air? [16]

6. Draw a flow sheet of activated sludge treatment plant for water purification and

explain. [16]

7. Discuss the removal of dissolved solids present in water by adsorption process

using activated carbon as adsorbent. [16]

8. Discuss various methods for collection & disposal of nuclear wastes. [16]

Code No: K0801Set No.1R05

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1. What is environment? What are the different types of pollution? Explain causes and

effects due to pollution [16]

2. a) What is self purification of stream and rivers? How does self purification takes

place and what are the limitations of natural self purification [8]

b) Mention the sources and characteristics of pollutants in pulp and paper industry [8]

3. Explain in brief about the treatment methods for liquid and gaseous effluents

containing nitrogenous or phosphates’ wastes. [16]

4. Explain briefly: [4x4]a) Stack sampling b) Sampling system

c) Particulate sampling d) Gaseous sampling

5. Explain in details about the role of hydro-carbons in air pollution. [16]

6. a) Explain the removal of suspended solids from waste water. [10]

b) Discuss briefly the Rotary Drum Filters. [6]

7. Explain two commonly used methods in primary treatment of waste water. [16]

8. Discuss briefly recovery and recycling of glass. [16]

Code No: K0801Set No.2

R05

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1. a) What are the factors that led to enactment of legislation on pollution? Discuss. [8]

b) Elucidate the need for the ‘Environmental legislation’. [8]

2. Explain the process of determination of BOD, COD and TOC in effluent water?

How these can influence the quality of water. [16]

3. What are the major sources of oxides of nitrogen and sulfur? Explain the effects

caused by SOx and describe their removal from gases. [16]

4. a) What are the types of pollutants present in ambient air? [6]

b) Explain the sampling and measurement of air pollutants. [10]

5. Explain in detail about packed beds and plate column for controlling air pollution.

[16]

6. a) Explain bacterial growth curve. [6]

b) Discuss the process control in sludge recycle system. [10]

7. Explain briefly about settling profile for flocculent particles. [16]

8. a) What are the biomedical wastes? Explain. [8]

b) What are the sources for the biomedical wastes? [8]

Code No: K0801Set No.3

R05

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1. Explain the approaches generally followed in environmental legislation and write

a brief note on water act of 1974. [16]

2. Write a short notes on [2x8]

a) Oxygen demanding wastes.

b) Self purification of running streams

3. Write about the control measures that need to be followed to reduce NOx pollution [16]

4. Describe different analytical procedures to collect and characterize particulate matter

from effluent streams [16]

5. Explain different methods of gaseous emission control. [16]

6. Explain in detail about wet-oxidation process with neat flow sheet [16]

7. Explain how the waste water is treated by the ion exchange method and also explain

in detail of resin regeneration with the help of chemical reactions. [16]

8. Explain how bio medical wastes affect the human health and environment. [16]

Code No: K0801Set No.4R05

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K0801Nov-11