Download SGBAU B-Tech 7th Sem FPOPC Petro Industrial Waste Treatment Question Paper

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B.Tech. Seventh Semester (Food, Pulp & Paper, Oil & Paint & Petro. Tech.) (CGS)

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11061 : Elective - I : Industrial Waste Treatment

7CT 04

Pages: 2 AW - 3395

Time : Three Hours Max. Marks : 80

Notes:

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1. Answer three questions from Section A and three questions from Section B.
2. Due credit will be given to neatness and adequate dimensions.
3. Assume suitable data wherever necessary.
4. Diagrams and chemical equations should be given wherever necessary.
5. Illustrate your answer with the help of neat sketches.

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6. Discuss the reaction, mechanism wherever necessary.
7. Use of pen Blue/Black ink/refill only for writing the answer book.

SECTION - A

1. a) What are the characteristics of lakes? Discuss the common environmental problems in lakes. 7
   b) What are agencies working in India for prevention and control of pollution? Discuss in details. 7

   OR

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2. a) Discuss the role of chlorofluorocarbons in the depletion of the ozone layer. 7
   b) Discuss by-products and salvageable waste in details. 7
3. a) Describe the Air (Prevention and Control of Pollution) Act 1981. 7
   b) Describe the “MINAS” and plan of action for sugar industries. 6

   OR

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4. a) Draw neat sketches of different types of micro-organisms present in water. 5
   b) How will you determine dissolved oxygen? 8
5. What is osmosis and reverse osmosis? How can we remove pollutants from wastewater by using reverse osmosis? 13

   OR

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6. a) What is neutralization? Discuss chemical coagulation in details. 7
   b) What is the difference between aerobic and anaerobic lagoons? Discuss anaerobic Lagoons in details. 6

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SECTION - B

1. a) Explain hazardous waste with suitable examples. Give their types. 7
   b) What are the reusable wastes? Discuss them in details. 7

   OR

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2. a) How can we recycle waste in the chemical industry? Give suitable examples. 7
   b) Describe a dissolved air flotation system for sludge treatment. 7
3. a) Explain the terms. 6
   1. Floating bed scrubber.
   2. Venturi bed scrubber.
   b) Describe fabric filters with a neat sketch. 7

   OR

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4. a) Discuss catalytic reduction of NOx using methane. 7
   b) Explain the following terms. 6
   1. Critical field.
   2. Particle charging.

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5. Draw the manufacturing process of the cement industry. What are the sources of waste from the cement industry? Describe the treatment given to gaseous and liquid waste. 13

   OR

6. Give sources, characteristics of waste from the sugar industry. With a neat flow diagram, explain the pollution control measures in the sugar industry. 13

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