Semester II

CE705 BIOLOGICAL PROCESS DESIGN FOR WASTEWATER TREATMENT


  • Wastewaters-Sources-characteristics-Analysis of waste water-determination of BOD, COD, Solids and volatile solids and their significance. Fundamentals of Process Kinetics, Zero order, First order, Second order Reactions, Enzyme reactions - Reactor Analysis, Completely mixed batch reactor, Continuous flow stirred tank reactor, Plug flow reactor, Arbitrary flow reactor.


  • Design of wastewater treatment systems-Primary, secondary and tertiary treatments- Activated Sludge and its process modifications- Process design considerations- Evaluation of Biokinetic Parameters- Biological Nitrification and denitrification.


  • Aeration- Fundamentals of gas transfer- Treatment Ponds and aerated Lagoons- aerobic pond, facultative pond- anaerobic ponds- polishing ponds.


  • Attached Growth Biological Treatment Systems-Trickling Filters- Rotating Biological Contactors- Activated Biofilters etc.


  • Anaerobic processes-Process fundamentals-Standard, high rate and hybrid reactors, Anaerobic filters-Expanded /fluidized bed reactors-Upflow anaerobic sludge blanket reactors, - Expanded granular bed reactors- Two stage/phase anaerobic reactors- Sludge Digestion: anaerobic digestion-and aerobic digestion, Wastewater reclamation and reuse- Effluent disposal

 

    Books :

  1. Benefield, L.D. and Randall C.W. Biological Processes Design for wastewaters, Prentice-Hall, Inc. Eaglewood Cliffs, 1982.

  2. Grady Jr. C.P.L and Lin H.C. Biological wastewater treatment: Theory and Applications, Marcel Dekker, Inc New York, 1980.

  3. Metcalf & Eddy, Inc. Wastewater Engineering, Treatment and Reuse. 3rd Edition, Tata McGraw-Hill, New Delhi, 2003.


CE706 TRANSPORT OF WATER AND WASTEWATER

 

  • Water storage – Impounding reservoirs – Intakes – pressure conduits – pumps – Economic design of pumps and pumping mains – Pipes – Pipe appurtenances – Water hammer.


  • Water Distribution systems – Hardy cross, Equivalent pipe and Newton Rapson methods, Distribution network analysis- methods of control and prevention of corrosion.


  • Sanitary sewage flow estimation – Sewer materials – Hydraulics of flow in sanitary sewers – Partial flow – Sewer designs – Sewer layouts – Storm drainage –


  • Storm runoff estimation – Hydraulics of flow in storm water drains – hydraulics of flow in storm water drains-storm water drain materials and section-design of strom water drains.


  • Maintenance of sanitary sewerage and storm drainage – equipments – corrosion in sewers – prevention and control – Waste water pumping networks.

    Books:

  1. Manual on water supply and Treatment, CPHEEO, Ministry of Urban Development, GOI, New Delhi, 2000.

  2. Manual on Sewerage and Sewage Treatment, CPHEEO, Ministry of Urban Development, GOI, New Delhi, 2000.


CE707 AIR QUALITY MANAGEMENT


  • Air pollutants – Sources and classification of pollutants and their effect on human health vegetation and property- Effects - Reactions of pollutants and their effects-Smoke, smog and ozone layer disturbance - Greenhouse effect


  • Atmospheric diffusion of pollutants - Transport, transformation and deposition of air contaminants - Air sampling & pollution measurement methods - Ambient air quality and emission standards - Air pollution indices - Air Act


  • Control principles – Removal of gaseous pollutants by adsorption, absorption, reaction and other methods.


  • Particulate emission control- settling chambers, cyclone separation, Wet collectors, fabric filters, electrostatic precipitators and other removal methods like absorption, adsorption, precipitation.


  • Biological air pollution control technologies - bioscrubers, biofilters, Indoor air quality.

    Books:

  1. Wark Kenneth and Warner C.F, Air pollution its origin and control. Harper and Row Publishers, New York, 1981.

  2. Rao C.S., Environmental pollution control Engineering, New age international Ltd, New Delhi, 1995.

  3. Peavy, H.S., Rowe, D.R., Tchobanoglous, G. Environmental Engineering, McGraw Hills, New York 1985.



CE708 ENVIRONMENTAL MICROBIOLOGY AND ENGINEERING LABORATORY


  • Microscopic Examination of Microorganisms: Preparation of bacterial smear - staining - Hanging drop technique - plate count test, MPN tests and MFT Tests. Determination of MLSS and MLVSS in ASP - Coagulation and flocculation of water – Optimization of dose / pH / time of flocculation. Color removal from wastewater by adsorption - Estimation of suspended particulate matter / SPM, NOx, SOx.