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REFERENCES:
1. Dryden, C.E., ―Outlines of Chemical Technology‖, Edited and Revised by Gopala Rao. M. and
M.Sitting, Second edition, Affiliated East-West press, 52, 1993.

OCH1703 UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING L T P C
3 0 0 3
OBJECTIVE:
To make the students understand environmental problems, various techniques, equipment available in
treatment of environmental issues.

UNIT I PRIMARY UNIT OPERATIONS 9
Selection of unit operations involved in primary treatment -Screening – Mixing - Neutralization -
Coagulation and Flocculation – Flow equalization.
UNIT II SEDIMENATION AND FLOATION 9
Sedimentation - Type of settling – Construction and working – Clarifier-thickener- Column flotation-
air flotation.

UNIT III FILTRATION 9
Filtration – classification of filters-Head loss through filters– Construction and Working.

UNIT IV ADSORPTION 9
Precipitation techniques - Adsorption - Activated carbon - Isotherms – Disinfection – Dechlorination.

UNIT V BIOLOGICAL UNIT OERATIONS 9
Kinetics of Biological growth - Suspended and attached growth processes - Aerobic and Anaerobic
Treatment process.
TOTAL : 45 PERIODS

OUTCOME:
On completing this course, the students will be able to understand the concepts of various physical
processes involved in waste treatment, construction and working of equipment and techniques.

REFERENCES
1. Metcalf & Eddy, "Wastewater Engineering - Treatment, Disposal, and Reuse ", Fourth Edition,
Tata McGraw-Hill, 1995.
2. Casey. T.J. "Unit Treatment Processes in Water and Wastewater Engineering ", John
Wiley & Sons, 2006.

3. Peavy H.S., Rowe D.R. and Tchobanoglous G. ―Environmental Engineering‖, Tata Mc. Graw
Hill, 1985.

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