19CE53C-Waste water treatment and management (PKR)

19CE53C WASTEWATER TREATMENT AND MANAGEMENT L T P C 3 1 0 4 COURSE OUTCOMES 

Upon completion of this course, the students will be able to, 

CO1: Interpret composition of sewage, estimate the wastewater generation & design of sewer system (K2) 

CO2: Attribute the type of treatment system and to perform basic design of sewage treatment (K2) 

CO3: Select the suitable sewage treatment process (K2) 

CO4: Perceive the advance sewage treatment technologies (K2) 

CO5: Describe the concepts of self-purification of streams and sludge disposal methods (K2) 


UNIT I PLANNING AND DESIGN OF SEWERAGE SYSTEM 12 Sources, Characteristics of sewage and its composition - population equivalent - Estimating quantity of sewage - Storm runoff estimation - Sewerage - separate, combined and partially seperate system - Hydraulic design of flow in sanitary sewers - sewer materials -Laying and testing - sewer appurtenances – sewage pumping - Discharge standards for Effluents 


UNIT II PRIMARY TREATMENT OF SEWAGE 11 Objectives – Unit Operations and Processes - Collection system - Selection of treatment processes - Primary treatment – Principles, functions and design of sewage treatment units - screens - grit chamber - primary sedimentation tanks - Onsite sanitation - Septic tank - Operation and Maintenanceaspects. 


UNIT III SECONDARY TREATMENT OF SEWAGE 12 Objectives – Selection of Treatment Methods – Principles, Functions and design - Activated Sludge Process - Natural systems - Ponds and Lagoons - Trickling filters - Rotating biological contactors - Operation and Maintenance aspects. 


UNIT IV ADVANCED SEWAGE TREATMENT 12 Hybrid system - SBR - MBR - MBBR - FBR (Basics)- Anaerobic systems - Anaerobic filters - UASB - Biogas recovery- Reclamation and Reuse of sewage - Constructed Wetland - Nutrient removal systems - DEWATS (Basics). 


UNIT V SEWAGE DISPOSAL AND SLUDGE MANAGEMENT 13 Dilution – Self purification of surface water bodies - Oxygen sag curve – Streeter Phelps equation - Eutrophication - Land Disposal – Sewage farming – Sewage sickness - Sludge Digestion- characterization - Thickening – Dewatering – Drying - Disposal - Septage Management.