POLLUTION CONTROL IN PROCESS INDUSTRIES

C.E.T. : 4.102 Periods per week : 4 Sessions : 30 Duration of Exam. : 3 Hrs.

Examination : 70 Nature of Exam. : Theory. UNIT - I Introduction to Industrial pollution and types of pollution from chemical industries. Effects of pollution as environment and ecosystems - global warning - green house effect. Environmental legislatures - standards and guide lines. UNIT II Air pollution - Meteorological aspects of pollution dispersion - adiabatio lapse Rate - Environmental lapse rate - Turbulence and stability of atmosphere Richardson Number - Plume raise - plume behaviour and characteristics effective stack height. Major Air pollutants and their sources and measurement of air pollutants. Indoor air pollution - smoke and hydrocarbons. UNIT - III General methods of control of air pollutants removal of sulphur dioxide - oxides of nitrogen and organic vapors from gaseous effluents. Removal of particulate matter - principle and working of settling chambers cyclone separators solid traps, fabric and fibre filters - electro static precipitators. Treatment of gases. UNIT - IV Introduction to water pollution - water pollutants classification - characteristics of liquid effluents from fertilizer, pulp & paper and petroleum Industries Estimation of oxygen demands - DO, BOD, COD, TOD - BOD curves oxygen sag curve - modeling of BOD curves. Biological treatment of waste waters - aerobic and anaerobic methods - suspended and attached growth processes - bacteria - Reproduction in bacterial - Bacterial growth crushes conventional activated sludge process - Trickling filters Aerated lagoons - stabilization ponds - fluidized bed contractors. UNIT - V Physical Treatment methods principle and working of screening - sedimentation - flotation - filtration - flocculation. Tertrary Treatment methods - carbon adsorption - Ion Exchange - Reverse Osmosis Boralin chlorinating - ultrafiltration. Sludge treatment and disposal- removal of chromium and phenol from liquid effluents. Examination : One question from each unit with internal choice. BOOKS RECOMMENDED:

1. Pollution control in process industries, by S.P.Mahajan. Mc.Graw Hill Publishing 2. Waste Water Treatment by M.Narayanna Rao & A.K.Datta, Oxford and IBH. Publishing

Co. Pvt.Ltd., New Delhi. 3. Air pollution control by P.Pratap Mouli & N.Venkata subbayya Divya Jyothi Prakasham,

Jodhpur. 4. Introduction to Waste Water Treatment by R.S.Ramaiho, Academic Press, new york. 5. Fundamentals of Air Pollution Control by Stem, Academic press.