JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre Requisites

Environmental Engineering

Course Objectives

The subject provides the knowledge of various effects of Air pollution

on human beings and Vegetation and Materials. The topics of control methods, details of control equipment, and the methods of controlling gaseous are also included. The objective of the course is to study the moment, occurrence of ground water and its development and management.

Course Outcomes

At the end of the course, the student will be able to:

• Identify sampling and analysis techniques for air quality assessment
• Describe the plume behavior for atmospheric stability conditions
• Able to control air pollution by properties various techniques to control

UNIT - I

Air Pollution – Definitions, Scope, Significance and Episodes, Air Pollutants – Classifications – Natural and Artificial – Primary and Secondary, point and Non-Point, Line and Areal Sources of air pollution- stationary and mobile sources.

UNIT - II

Effects of Air pollutants on man, material and vegetation; Global effects of air pollution – Green House effect, Heat Islands, Acid Rains, Ozone Holes etc.

UNIT - III

Thermodynamics and Kinetics of Air-pollution – Applications in the removal of gases like SOx; NOx; CO; HC etc., air-fuel ratio. Computation and Control of products of combustion. Meteorology and plume Dispersion; properties of atmosphere; Heat, Pressure, Wind forces, Moisture and relative Humidity; Influence of Meteorological phenomena on Air Quality- wind rose diagrams.

UNIT - IV

Lapse Rates, Pressure Systems, Winds and moisture plume behavior and plume Rise Models; Gaussian Model for Plume Dispersion. Control of particulates – Control at Sources, Process Changes, Equipment modifications, Design and operation of control. Equipment’s – Settling Chambers, Centrifugal separators, filters Dry and Wet scrubbers, Electrostatic precipitators.

Page 22 of 33

UNIT - V

General Methods of Control of NOx and SOx emissions – In-plant Control Measures, process changes, dry and wet methods of removal and recycling. Air Quality Management – Monitoring of SPM, SOx; NOx and CO Emission Standards.

TEXT BOOKS:

• 1. Air pollution By M. N. Rao and H. V. N. Rao – Tata McGraw Hill Company.
• 2. Air pollution by Wark and Warner. - Harper & Row, New York.

REFERENCE:

• 1. Air pollution and control By K.V.S.G. Murali Krishna, Kaushal Publishers. Kakinada. Page 23 of 33