Department of Environmental Science & Engg, ISM, Dhanbad
B.Tech (Environmental Engg) - VII Semester:: Dated 20-07-2015
Lecture plan: ESC 171 02: Municipal Wastewater Engineering
[3-1-0]
Part-II (Biological treatment): S K Maiti [2-0-0]
Sl.No
1.
2.
3.
4.
5.
6.
7.
Con.
Hrs
Topics
Sewage treatment process, Introduction, reactor type, hydraulic characteristics, C-diagram,
calculation of dispersion number, types of biological reactor; Aeration system, oxygen
transfer, factors affecting oxygen transfer, types of aerators, removal of VOCs by aeration.
Introduction, role of wastewater engineer; Sewage characteristics: Quantity & Quality:
Physical, chemical & biological; flow rate, treatment flow -sheets.
Biological treatment: Principle of biological treatment-derivation of bacterial growth
kinetics used in designing of wastewater treatment plant;
Operation and design aspects of ASP and its modifications;
Operational problems of ASP- bulking and raising sludge; Nocardia growth
Design of secondary settling tank;
Wastewater treatment for Small communities - Oxidation ditch, Extended aeration system;
Design & operation of SBRs;
Process design and operation of mechanically Aerated lagoon and problems
Design & operation of Waste Stabilization Ponds - types, oxygen production and algal
washout, design based on organic loading rate and BOD kinetics, anaerobic activity,
microbial activity in pond, N and Phosphorus removal.
Aerobic attached growth process: Process design and operation of Trickling filter, RBC
and Biofilter.
2
2
6
2
2
2
2
Midterm test
8.
9.
10.
11.
Anaerobic treatment: process microbiology and biochemistry; application for treatment of
sewage, advantage and disadvantages.
Design & operation of UASB and hybrid bioreactors.
Advance wastewater treatment system: biological removal of nitrogen and phosphorous.
Design and operation of biological nitrification - denitrification system; luxurious
phosphorus uptake.
Sludge handling and disposal, design of sludge drying bed.
Aquatic plant system, constructed Wetlands; Disposal, reuse and dilution of treated
sewage; self-purification of streams.
TOTAL
4
2
1
1
26
Books and References
1. Wastewater Engineering: Treatment, disposal, Reuse - Metcalf & Eddy Inc.4th ed. TMGHl, New Delhi, 2003.
2. Environmental Engineering - Peavy, H.S. Donald R.Rowe & G. Tchobanoglosus, MGH Int. Ed. NY, 1985.
3. Wastewater treatment for pollution Control & reuse- SJ Arceivala & SR Asolekar, TMH, 3rd, 2006
4. Wastewater treatment Plants: Planning, Design and Operation--SR.Qasim, Holt, Rinehart & Winston,NY,1985
5. Biological Wastewater Treatment: Theory and Application - CPL. Grady & HC. Lim, Marcel Decker, NY 1980.
6. Environmental Biotechnology - Bruce E. Rittman & Perry L McCarty, McGraw-Hill Int. Editions, 2001.
CC: ESE- Notice Board/ ESE office copy
Date: 20-07-2015
(Prof S K Maiti)
Department of Environmental Sc. & Engg ESE), ISM, Dhanbad
M.Tech (Env. Sc. and Engg.): I-Semester. 2015
LECTURE PLAN (14 WEEKS) dt 20.7.2015
Sub: Environmental Ecology & Microbiology (ESE 51101)
Section A: Environmental Ecology (Dr. SK Maiti): [2-0-0]
Lec. Hr.
Topics
1. Fundamentals of Ecology and Ecosystem – Components of Ecosystem (Structural and
Functional), Producer and Consumers; Decomposers, Detrivores. Food chain & Food webs its
significance. Ecological pyramids; Abiotic factors.
Ecosystem Stability - Inertia & Resilience.
3
2. Ecosystems and Millennium Development Goals (MDG); Millennium Ecosystem Assessment
(MEA); Landscape Ecology; Ecosystem services; Ecosystem management & Auditing;
2
3. Fragile/ sensitive ecosystem - (ecosystem with unique properties), parameters of fragile
ecosystem; Environmentally fragile ecosystem in India; Hot spots
1
4. System ecology - System diagram, System diagram of Aquatic and Terrestrial ecosystem.
1
5. Concepts of Energy flow in ecosystem- Primary and Secondary productivity; Ecological
efficiency; Different energy recycled pathway.
2
6. Bio-geo-chemical cycles - C, N, P and S cycle; Nutrient cycling in tropics.
2
7. Limiting factors - Leibg’s law, Shelford laws of tolerance, Steno and Eu-species.
Bio-monitoring, pollution tolerant & sensitive species; Biotic indices, Indicator species.
2
8. Aquatic ecology – Lentic and lotic habitat, light and temperature stratification, productivity,
freshwater community & life form; impacts of thermal discharge and reservoir de-watering.
Marine and Estuarine Ecosystem;Wet-land ecosystem;
4
9. Population ecology - Characteristics and Structure; Population interaction; Population
growth in limited and unlimited environment. R and K selection.
2
10. Community ecology- Qualitative & quantitative characters. Method of study of community
structure. Habitat and types of ecological niche and Ecotone.
2
11. Ecological successions (Ecosytem development)– Types of succession, process; Climax
concept (Monoclimax & Polyclimax theory), Trends of ecosystem development (structural
and functional). Succession in land & water.
2
12. Biological diversity - Importance, Simpson & Shannon Index; Factors causing and limiting
species diversity.
2
13. Ecotoxicology- Background, importances, Toxicity measurement - acute & chronic toxicity 4
test, toxicity testing system; test organisms selection, LC50, EC50, NOEC, LOEC. Toxic units.
Ecosystem response to de-oxygenation.
Eutrofications kinetics, indicators, control, phosphorous model.
Pesticides & bio-accumulation
Total 29 hr
Environmental Ecology Books and References
1.
2.
3.
4.
Fundamentals of Ecology (3rd ed). Eugene P. Odum. WB Sunders Company, Philadelphia (1971).
Ecology (2nd Ed)- Eugene P Odum, Oxford and IBH, Calcutta (1975). (Available in ISM, Dhanbad Lib).
Fundamentals of Ecology- MC Dash. Tata-McGraw Hill, New Delhi (1996).
Introduction to Environmental Engg. – G.M.Masters. Prentice Hall of India (1991).
July 20, 2015
(S.K.MAITI)
Professor
CC:M.Tech (ESE) – I Sem Students/ESE Notice Board/ESE Departmental records.