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Note for Waste Water Engineering - WWE By Md_Shahjada_ Alam

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B.E 8th Semester Civil Engineering Notes ( RTMNU University) Performance of charity is the key of attaining the estate of a philanthropist Bachlor of Engineering (B.E) In ( Civil Engineering ) 8th SEM C.B.S HELPFUL NOTES Subject- Elective:3 Water and Waste Water Treatment BY Md Shahjada Alam (Shah) ( B.E Civil Engineering, M.Tech In Environmental Engineering Pursuing ) Page | 1 Water and Waste Water Treatment By SHAH

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B.E 8th Semester Civil Engineering Notes ( RTMNU University) Dedicated To My Respected Grandfather Late Haji Mohammad Abbas Page | 2 Water and Waste Water Treatment By SHAH

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B.E 8th Semester Civil Engineering Notes ( RTMNU University) Water and Waste Water Treatment (80/20 Marks) Theories:- 80 or 24 Marks Numericals:- 0 or 56 Marks Syllabus:Unit 1 Introduction to WTP & Aeration: 1. Objective of water treatment, unit operation and unit processes, treatment flow sheet, site selection for water treatment plant. 2. Aeration: objective of aeration, types or aerators, design of cascade aerator, gas transfer, two film theory. Unit 2 Coagulation, Flocculation & Sedimentation: 3. Coagulation- Flocculation: Theory of coagulation objectives, types& Design of rapid and slow mixing devices(hydraulic and mechanical), factors affecting coagulation and flocculation, nature and types of chemical coagulants used in water treatment, coagulant and flocculent aids 4. Sedimentation: Theory of sedimentation, factors affecting, types of settling, analysis of discrete and flocculent settling, design of sedimentation tank and clariflocculators. Unit 3 Filtration, Disinfection &Minor methods: 5. Filtration: mechanism of filtration, types of filters, design of rapid sand filters, filter media specifications, preparation of filter sand from stock sand, problems in filtration. 6. Disinfection: Method of disinfection, kinetics of disinfection, types of disinfectants, chlorination, method of chlorination (breakpoint chlorination), factors affecting efficiency of chlorination. 7. Iron and manganese removal, deflourination. 8. Recent development in water treatment. Unit 4 Characteristics & Disposal of Waste water: 9. physical and chemical characteristics of waste water, DO, BOD, COD, determination of BOD rate constant 10. Disposal of sewage by dilution and by land disposal, Streater-Phelps’s equation. Numerical Unit 5 Preliminary & Primary Treatment: 11. Treatment Methods: Waste water treatment flow sheet, preliminary & primary and secondary methods of treatment, design of screen. Girt chamber and primary settling tank. Unit 6 Secondary Treatments: 12. Biological unit processes: principle of biological treatment processes, design parameters of activated sludge process, aerated lagoons and stabilization ponds. Design of ASP 13. Sludge treatment, aerobic and anaerobic digestion, reactor types (such as UASB, AFFB, Hybrid reactor) & factors affecting anaerobic digestion and sludge drying beds (excluding design) 14. Recent development in waste water treatment. Page | 3 Water and Waste Water Treatment By SHAH

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B.E 8th Semester Civil Engineering Notes ( RTMNU University) Text / Reference Books:- 1 Sali J. Arcelvala, Tata Mcgraw “Waste Water Treatment for Pollution Control and Reuse”. 2 Dr. P.N. ModiVol I – Environmental Engineering I – Standard Publication. 3 Dr. P.N. ModiVol I – Environmental Engineering II – Standard Publication. 4 Dr. A.G. Bhole – Design of Water Treatment Plant, IWWA, Nagpur centre. 5 Dr. B.C. PunmiaVol I &Vol II – Laxmi Publication. 6 CPHEEO Manual. 7 V.N.S. Raju“ Water and Waste Water Treatment”- Tata McGraw Hill. 8 Matcalf and Eddy - Water and Waste Water Treatment, Disposal And reuse - Tata McGraw Hill. . Instructions:- 1. For Topper Read All Questions. 2. For On paper Read All Compulsory & Semi-Compulsory Questions. 3. For Passing Read Only Compulsory Questions. 4. 6 Units × 5 Questions Each Unit = 30 Questions. If u Love Theory Portion ,Then Remember All Theory 30 Questions . Theory Questions Wattage:- 80 Marks If u Love Numericals Portion, Then Practice All Numericals Topics. Numericals Questions Wattage :- 56 Marks All Numericals Topics Available in Other Notes ( Hand Written) Summer 2019 Examination Date: 10th May 19 Page | 4 Water and Waste Water Treatment By SHAH

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