JNTUK R19 3-1 Environmental Engineering-2 Material PDF Download

JNTUK R19 3-1 Environmental Engineering-2 Material PDF Download

Students those who are studying JNTUK R19 Civil Branch, Can Download Unit wise R19 3-1 Environmental Engineering – II Material/Notes PDFs below.

JNTUK R19 3-1 Environmental Engineering-2 Material PDF Download

OBJECTIVES:

• Outline planning and the design of wastewater collection, conveyance and treatment systems for a community/town/city
• Provide knowledge of characterisation of wastewater generated in a community
• Impart understanding of treatment of sewage and the need for its treatment.
• Summarize the appurtenance in sewerage systems and their necessity
• Teach planning, and design of septic tank and imhoff tank and the disposal of the effluent from these low cost treatment systems
• Effluent disposal method and realise the importance of regulations in the disposal of effluents in rivers

UNIT-1

Introduction to Sanitation – Systems of sanitation – relative merits & demerits – collection and conveyance of wastewater – sewerage – classification of sewerage systems- Estimation of sewage flow and storm water drainage – fluctuations – types of sewers – Hydraulics of sewers and storm drains– design of sewers.

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UNIT-2:

Sewer appurtenances – cleaning and ventilation of sewers. Pumping of wastewater: Pumping stations – location – components– types of pumps and their suitability with regard to wastewaters.

House Plumbing: Systems of plumbing-sanitary fittings and other accessories– one pipe and two pipe systems – Design of drainage in Gate communities, Apartments and Hotels.

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UNIT-3:

Sewage characteristics – Sampling and analysis of wastewater – Physical, Chemical and Biological Examination-Measurement of BOD and COD – BOD equations. ThOD and Nirogen Oxygen Demand.

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Ultimate Disposal of sewage: Methods of disposal – disposal into water bodies-Oxygen Sag Curve- Disposal into sea, disposal on land, Crown corrosion, Sewage sickness. Effluent standards.

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UNIT-4:

Treatment of Sewage: Primary treatment- Screens- Grit chambersGrease traps– floatation– Sedimentation – Design of preliminary and primary treatment units.

Secondary treatment: Aerobic and anaerobic treatment processcomparison.

Suspended growth process: Activated Sludge Process, principles, designs, and operational problems, modifications of Activated Sludge Processes, Oxidation ponds, Aerated Lagoons.

Attached Growth Process: Trickling Filters – mechanism of impurities removal – classification – design, operation and maintenance problems. RBCs, Fluidized bed reactors.

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UNIT-5:

Miscellaneous Treatment Methods: Nitrification and DenitrificationRemoval of Phosphates – UASB–Membrane reactors- Integrated fixed film reactors. Anaerobic Processes: Septic Tanks and Imhoff tanks- working Principles and Design– Reuse and disposal of septic tank effluent, FAB Reactors.

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Bio-solids (Sludge) management: Characteristics-SVI, handling and treatment of sludge-thickening – anaerobic digestion of sludge, Sludge Drying Beds. Centrifuge. Case studies.

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TEXT BOOKS:

1. Wastewater Engineering Treatment and Reuse, Metcalf & Eddy, Tata McGraw-Hill edition.
2. Industrial Water and Wastewater Management, K.V.S.G. Murali Krishna.
3. Elements of Environmental Engineering, K. N. Duggal, S. Chand & Company Ltd. New Delhi, 2012

REFERENCE BOOKS:

1. Environmental Engineering, Howard S. Peavy, Donald R. Rowe, Teorge George Tchobanoglus – Mc-Graw-Hill Book Company, New Delhi, 1985
2. Wastewater Treatment for Pollution Control and Reuse, Soli. J Arceivala, Sham R Asolekar, Mc-GrawHill, NewDelhi; 3rd Edition
3. Environmental Engineering –II: Sewage disposal and Air Pollution Engineering, Garg, S. K., Khanna Publishers
4. Sewage treatment and disposal, P. N. Modi & Sethi.
5. Environmental Engineering, Ruth F. Weiner and Robin Matthews – 4th Edition Elsevier, 2003
6. Environmental Engineering, D. Srinivasan, PHI Learning Private Limited, New Delhi, 2011.

OUTCOMES:

• Plan and design the sewerage systems
• Select the appropriate appurtenances in the sewerage systems
• Analyze sewage and suggest and design suitable treatment system for sewage treatment
• Identify the critical point of pollution in a river for a specific amount of pollutant disposal into the river
• Suggest a suitable disposal method with respect to effluent standards.