EN3205 ENVIRONMENTAL CHEMISTRY AND MICROBIOLOGY SYLLABUS | ANNA UNIVERSITY BE ENVIRONMENTAL ENGINEERING 3RD SEMESTER SYLLABUS REGULATION 2008 2011-2012 BELOW IS THE ANNA UNIVERSITY THIRD SEMESTER BE ENVIRONMENTAL ENGINEERING DEPARTMENT SYLLABUS IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011-2012 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
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3 0 0 3
OBJECTIVES
The objectives of the course are to study the basics of environmental chemistry,
chemical reactions involved in water and electrokinetic properties. Also the students are
able to understand the basic microbiological concepts related to Environmental
Engineering.
UNIT I ENVIRONMENTAL CHEMISTRY: INTRODUCTION 9
Oxidation state, redox potential – chemical equilibrium, Le-Chatlier Principle -
heterogeneous equilibria - solubility product - common ion effect, diversion effect -
application in water treatment.
Chemical kinetics - factors influencing the rate – order and molecularity (examples) –
derivation of rate constant for first order reaction - time for half - change - nature of BOD
reactions – consecutive reactions in water treatment – Enzyme reactions, temperature
dependence, catalyst.
UNIT II CHEMICAL REACTIONS OF WATER 9
Colloids, Classification – solids in liquids - hydrophilic and hydrophobic colloids –
electrokinetic properties - chemical coagulation of water - Schulz Hardy rule -
mechanism of coagulation electrodialysis - water purification – electro-osmosis -
dewatering of sludges – electrophoresis – adsorption, Freundlich and Langmuir
isotherms – Applications in pollution control.
UNIT III ORGANIC COMPOUNDS AND STRUCTURES 9
Functional groups in organic compounds and their structures (Preparation & Properties
not required) - carbohydrates - classification – monosaccharides, pentoses (Xylose and
arabinose) Hexoses (Glucose, galactose, mannose and fructose) – disaccharides
(Sucrose, maltose and lactose) – Polysaccharides (Starch, cellulose and hemicellulose)
- Structural formulae - ring structure and hydrolysis reaction only.
UNIT IV MICROBIOLOGY: GENERAL 9
Classification of living organisms with special emphasis on micro-organisms -
characteristics - application in environmental engineering - DNA & RNA.
METHODS OF STUDY
Culture of micro-organisms - media preparation - sterilization, pure culture -
maintenance of cultures – stains and staining - estimation of bacterial numbers.
UNIT V GROWTH AND METABOLISM OF MICRO-ORGANISMS 9
Growth curves - factors affecting growth - nutritional requirements of micro-organisms -
metabolism of micro-organisms - carbohydrates, proteins, fat metabolisms and the role
of enzymes.
RESPIRATIONS
Aerobic and anaerobic - role of enzymes - bacterial respiration - fermentation and
saprogenic action - basic concepts of molecular biology.
TOTAL: 45 PERIODS
29
TEXT BOOKS :
1. Stanley E.Manohar, Environmental Chemistry, Williard Grant, 1975.
2. McKinney R.E. and Gall M. Microbiology for Sanitary Engineers, Mc Graw Hil
Book Co.Inc. New York (Latest Edition).
3. Gainey and Lord, Microbiology of Water and Sewage, Printice Hall Inc., New York,
(Latest Edition).
4. De.A.K. “Environmental Chemistry ", New Age International Ltd., New Delhi, 1996.
REFERENCES :
1. Sawyer, C.N. and McCarty, P.L., and Parkin, G.F. “Chemistry for Environmental
Engineers ",3rd Edn. Tata McGraw Hill, New Delhi, 1985.
2. Glasstone and Ceuris.D, Elements of Physical Chemistry , 1997.
3. Albaigo J., Analytical Techniques in Enviromental Chemistry, Pergamon Press,
New York, 1980.
4. " Standard Methods for the Examination of Water and Wastewater ", 20th Edn.,
WPCF, APHA and AWWA, USA, 1993
5. Frobisher M. Hinsdill R.D. Goodheart.C.R., Fundamentals of Microbiology, W.B.
Saundars company, USA, 1974.
6. Mitchell R., Water Pollution Microbiology, Wiley Eastern (Latest Edition), 1978.
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