About Environmetal Engineering : Environmental engineers devise feasible solutions for waste water management, air pollution control, recycling, waste disposal, radiation protection, industrial hygiene, animal agriculture, environmental sustainability, and public health. They design municipal water supply and industrial wastewater treatment systems, and design plans to prevent waterborne diseases and improve sanitation in urban, rural and recreational areas. They evaluate hazardous-waste managementsystems to evaluate the severity of such hazards, advise on treatment and containment, and develop regulations to prevent mishaps. They implement environmental engineering law, as in assessing the environmental impact of proposed construction projects.
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More About Environmental Engineering :
Environmental engineering is the branch of engineering which applies scientific and engineering principles to:
- protect human health and infrastructure from environmental dangers;
- protect environments, both local and global, from natural and human threats, including control of waste;
- improve environmental quality.
Environmental engineers study the effect of technological advances on the environment, addressing local and worldwide environmental issues such as acid rain, global warming, ozone depletion, water pollution and air pollution from automobile exhausts and industrial sources.
Many universities offer environmental engineering programs at either the department of civil engineering or chemical engineering. Environmental “civil” engineers focus on hydrology, water resources management, bioremediation, and water treatment plant design. Environmental “chemical” engineers, on the other hand, focus on environmental chemistry, advanced air and water treatment technologies and separation processes. Some subdivision of environmental engineering include natural resources engineering and agricultural engineering.
Engineers increasingly acquire specialized training in law (J.D.) and help to formulate and implement environmental engineering law.
Most jurisdictions impose licensing and registration requirements for qualified environmental engineers.
Unit- I: Wastewater Collection Systems
Definitions, General considerations, Combined and separate sewers, Computation of
sewage/wastewater; Design of Storm and Sanitary sewer systems, Sewer materials, Sewer
Appurtenances, Sewage pumping, Sewer Construction and maintenance. (4)
Unit- II: Characteristics of Waste water
Sampling, Physical, Chemical and Biological characteristics, Microbiology of Sewage,
Interpretation of results, Environmental significance of the test results, Effluent standards for
disposal of wastewater on land, into Surface water, and for Irrigation. (6)
Unit-III: Wastewater Treatment Systems
Unit operations and Unit Processes, Classification of Treatment Systems, Objectives, working
principles, Design Criteria and Detail design aspects of Preliminary Treatment and Primary
Treatment units. (10)
Unit-IV: Biological Treatment Systems
a) Purpose of Secondary treatment, Fundamentals of biological treatment systems, Design of
Suspended growth biological treatment processes, like ASP, various modified ASPs; Design of
Attached growth processes like Trickling Filters, RBCs, Fluidized bed systems .and combined
treatment processes; Design of Anaerobic suspended and attached growth biological treatment
processes like, Sludge digesters, UASBR. Design of Stabilization ponds, Aerated Lagoons
b) Advanced Wastewater Treatment Systems
Purpose of Advanced Wastewater Treatment, Suspended Solids Removal, Nitrogen Removal,
Phosphorous removal, Dissolved Solids Removal, Wastewater Reclamation. (10)
Unit-V: Financial Considerations
Cost Estimates, Cost Comparisons, Selection of Mechanical Equipments, Optimization of
Process Selection, Financing of wastewater systems. Performance Evaluation of Treatment
Plants, Energy Conservation. (2)
Unit-VI: Solid Waste Management Systems
The evolution of solid waste management; legislative trends and impacts; sources, types,
composition and properties of municipal solid wastes; sources, types and properties of
hazardous wastes found in municipal solid waste; engineering principles of solid waste
generation, collection, separation, storage, transport, processing and transformation both at the
source and off-site; disposal of solid wastes and residual matter (landfills, landfill leachates and
landfill gases); separation, transformation and recycling of waste materials, including biological
conversion technologies; closure, restoration and rehabilitation of landfills; and solid waste
management and planning issues. (8)
1. Wastewater engineering: treatment, disposal, and Reuse: Metcalf, L.,Eddy, H.P.,
2. McGraw-Hill, Inc, New Delhi
3. Environmental Engineering: Peavy, Rowe- McGraw Hill, Inc. New Delhi
4. Water and Wastewater Technology: Mark J Hammer, Mark J Hammer Jr., PHI Pvt. Ltd.
5. Water Supply and Sewerage: Terence J McGhee, McGraw-Hill, Inc. New Delhi Integrated
solid waste management: engineering principles and management issues:
Tchobanoglous, Theisen, H.;Vigil, S.
1. Sewage Disposal and Air Pollution Engineering: S.K.Garg, Khanna Publications
2. Waste Water Engineering: B.C.Punmia and Jain – Arihant Publications.
3. Water Supply and Sanitary Engineering: G.S.Birdie and J.S.Birdie, Dhanpat Rai and Sons
4. Environmental Engineering: Davis – Mc Graw Hill Publications
5. Solid waste Management: P.Aarne, Vesilind, William, A. Worrell
6. Elements of Environmental Engineering, K.N.Duggal, S. Chand and Co. Ltd.
Pattern of Question Paper:
The units in the syllabus shall be divided in two equal sections. Question paper shall be set
having two sections A and B. Section A questions shall be set on first three units (1,2,3) and
Section B questions on remaining three units (4,5,6) . Question paper should cover the
For 80 marks Paper:
1. Minimum ten questions
2. Five questions in each section
3. Three questions from each section are asked to solve.
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