M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Industrial Chemistry
POLLUTION MONITORING AND CONTROL
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt in all five questions. Section I is compulsory. Attempt any two questions from Section II and any two from Section III Answer to all questions (Section II and III) should be written in the one answer book. All questions carry equal marks. Figures to the right indicate full marks.
SECTION I
Q.1.
Answer the following
14
Which of the following air pollution control device has maximum efficiency?
Why Alum is preferred over other coagulants?
Which of the following are likely to be present in photochemical smog?
Define the term phenosalvan.
Which are the pure cultures used for removal of phenol by biological method?
In which sludge treatment process, the organic solids are converted into more stable form?
Which method is used for the analysis and separation of organomercurical compounds?
Give three different methods of incineration?
Which organometallic compound causes minamata disease?
Name the common physical techniques used for removal of toxic heavy metals from liquid effluents.
What are the sources of hexavalent chromium in the environment?
What is MINAS?
What is biggest cause of ground water pollution?
What is it called when you collect organic waste and store it so it breaks down into fertilizer?
SECTION II
Q.2
Discuss briefly the salient features of the Water (prevention and control of pollution) Act 1974.
07
Describe briefly the analysis of free acids and bases, dissolved oxygen from waste water.
07
Q.3
Discuss the soil pollution and its sources and types of pollutants.
07
Describe the melt processing method used for the recycling of polymer.
07
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SLR-VF-144
Q.4
Explain reduction precipitation and ion exchange methods used for the removal and recovery of chromium from industrial effluents.
07
Discuss briefly the primary treatment
07
Sedimentation and
Flocculation method used for waste water treatment
SECTION III
Q.5
Describe in short Stream gas stripping for the removal of phenolic residue.
05
Describe in brief the measurement of moisture, pH, total nitrogen and phosphorous during the analysis of soil.
05
Explain in short reverse osmosis process.
04
Q.6
Give the MINAS for oil refineries unit in India.
05
Discuss the end use of recycled polymer.
05
Describe inn brief the removal of mercury from the liquid streams.
04
Q.7
Write notes on any three:-
14
Electrostatic precipitors
Water quality management in India
Analysis of SOx and NOx in waste water
Analysis of manganese and sulfur