Download GTU BE/B.Tech 2019 Winter 7th Sem New 2173513 Newer Waste Water Treatment Systems Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VII (New) EXAMINATION — WINTER 2019

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Subject Code: 2173513 Date: 30/11/2019
Subject Name: Newer waste water treatment systems
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Define sewer, invert and putrescible decay. 03
(b) Explain mechanism of Disinfection. 04

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(c) Explain Ozone/UV process for generation of Hydroxyl Radical. 07

Q.2 (a) Explain primary treatment with a flow diagram. 03
(b) What are the characteristics of ideal disinfectant? 04
(c) What are the typical applications of membrane technologies in wastewater treatment? 07

OR

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(c) Explain in detail Membrane Filtration. 07

Q.3 (a) Give Difference between unit operation and unit process. 03
(b) Explain Manhole. 04
(c) Explain in detail adsorption process for wastewater treatment. 07

OR

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Q.3 (a) Describe working principle of Fenton Process. 03
(b) Explain application of Ion exchange for Heavy Metals Removal. 04
(c) Explain four steps of Anaerobic Process-with a neat sketch. 07

Q.4 (a) Enlist phosphorous removal techniques from wastewater. 03
(b) Explain Lamphole. 04

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(c) Explain in detail Rapid Sand Filter. 07

OR

Q.4 (a) Explain Application of Ion Exchange for Nitrogen Control. 03
(b) Describe Aerated Grit Chamber. 04
(c) Explain sources of water in detail. 07

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Q.5 (a) What is the difference between Advanced Wastewater Treatment and Tertiary Treatment? 03
(b) Describe Residual Management. 04
(c) Explain in detail Slow Sand Filter. 07

OR

Q.5 (a) Describe Mechanical Agitation Method of Equalization. 03

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(b) Describe two types of flocculation. 04
(c) Explain Dissolved Air Floatation. 07

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