15CV71 Municipal and Industrial Waste Water Engineering syllabus for CV

Introduction, need for sanitation, methods of sewage disposal, types of sewerage systems, dry weather flow, wet weather flow, factors effecting dry and wet weather flow on design of sewerage system, estimation of storm flow, time of concentration flow, material of sewers, shape of sewers, laying and testing of sewers, ventilation of sewers. low-cost waste treatment; oxidation pond, septic tank, Sewer appurtenances, manholes, catch basins, basic principles of house drainage, typical layout plan showing house drainage connections,

Design of sewers, hydraulic formula for velocity, effects of variation on velocity, regime velocity, design of hydraulic elements for circular sewers for full flow and partial flow conditions, disposal of effluents by dilution, self purification phenomenon, oxygen sag curve, zones of purification, sewage farming, sewage sickness, numerical problems on disposal of effluents, Streeter-Phelps equation

Waste water characteristics, sampling, significance and techniques, physical, chemical and biological characteristics, flow diagram for municipal waste water treatment, unit operations; screens, grit chambers, skimming tanks, equalization tanks

Suspended growth and fixed film bio process, design of trickling filters, activated sludge process, sequential batch reactors, moving bed bio reactors, sludge digesters

Difference between domestic and industrial waste water, effect of effluent discharge on streams, methods of industrial waste water treatment; volume reduction, strength reduction, neutralization, equalisation and proportioning. Removal of organic, inorganic and colloidal solids, combined treatment methods; merits, demerits and feasibility, principles of discharge of raw, partially treated and completely treated wastes in to streams

Process flow chart, sources and characteristics of industrial waste water, treatment methods, reuse and recovery and disposal; cotton and textile industry, tanning industry, cane sugar and distilleries, dairy industry, steel and cement industry, paper and pulp industry, pharmaceutical and food processing industry.

Course outcomes:

After studying this course, students will be able to:

1. Acquires capability to design sewer and Sewerage treatment plant.

2. Evaluate degree of treatment and type of treatment for disposal, reuse and recycle.

3. Identify waste streams and design the industrial waste water treatment plant.

4. Manage sewage and industrial effluent issues.

Program Objectives:

Engineering knowledge

• Problem analysis

Interpretation of data

Question paper pattern: •

• The question paper will have 5 modules comprising of ten questions.
• Each full question carrying 16 marks •
• There will be two full questions (with a maximum of three subdivisions, if necessary) from each module. •
• Each full question shall cover the topics as a module •
• The students shall answer five full questions, selecting one full question from each module.
• If more than one question is answered in modules, best answer will be considered for the award of marks limiting one full question answer in each module.

Text Books:

1. Metcalf and Eddy, “Wastewater Engineering - Collection, Treatment, Disposal and Reuse”, McGraw Hill Pub.Co., 2009.

2. Nelson Leonard Nemerow, “Industrial Waste Treatment”, Butterworth-Heinemann, 2007.

3. Patwardhan A.D, “Industrial Waste Water Treatment”, PHI Learning Private Limited-New Delhi

4. Hammer, M.J. and Hammer, M.J., “Water and Wastewater Technology”, 7th Ed., Prentice Hall of India

Reference Books:

1. Manual on Waste Water Treatment : CPHEEO, Ministry of Urban Development, New Delhi.

2. Fair, Geyer and Okun , “Water and Wastewater Engineering” Vol-II, John Willey Publishers, New York.