Waste Water Engineering for SPPU 19 Course (TE - VI - Civil - 301012) (Decode) (END SEM)

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Syllabus Waste Water Engineering - (301012) Credit Examination Scheme 03 End semester exam : 70 Marks Unit III : Secondary Treatment : Aerobic Suspended Growth Aerobic secondary treatment : unit operations and processes for secondary treatment, principle of biological treatment, role of microorganism in wastewater treatment, types of microorganisms, microbial metabolism, microbial growth pattern in batch and continuous system, requirements of microbial growth. Activated sludge process (ASP) : Conventional plug flow ASP, biochemical reactions, hydraulic and organic loading, F/M ratio, mean cell residence time, aeration method, oxygen requirement, assumptions, design of ASP, sludge volume index, sludge recycle and rate of return sludge, operational problems and maintenance in ASP, modifications in ASP. (Chapter - 3) Unit IV : Secondary Treatment : Aerobic Suspended and Attach Growth Suspended growth system: oxidation pond : bacteria - algae symbiosis, design of oxidation pond, advantages & disadvantages of oxidation ponds. Aerated lagoons : Principle, advantages & disadvantages of aerated lagoons, design of aerated lagoon. Constructed wetlands, phytoremediation and root zone technology : principle, advantages, disadvantages, applications/attached growth system : trickling filter : principle, different TF media & their characteristics, standard rate and high-rate filters, single stage & two stage filters, design using NRC formula, recirculation, ventilation, under drain system, operational problems, control measures. Rotating biological contactors: Principle, advantages, disadvantages, applications. (Chapter - 4) Unit V : Anaerobic Tertiary and Emerging Treatment Anaerobic treatment : septic tank : suitable conditions and situations, biological principle, method of treatment and disposal of septic tank effluent and design of septic tank. Anaerobic lagoon : principle, advantages & disadvantage, applications. Up-flow anaerobic sludge blanket (UASB) reactor : principle, advantages & disadvantage, applications. Tertiary (advanced) treatment : objectives, introduction to nutrients removal processes, adsorption, ion exchange, membrane processes, advanced oxidation processes, disinfection. Emerging wastewater treatment systems : sequencing batch reactor (SBR), membrane bio reactors (MBR), moving bed bio reactor (MBBR), fluidized membrane bio reactor (FMBR), packed bed reactor (PBR), advantages, limitations and applications. (Chapter - 5) Unit VI : Sludge Management System and Reuse of Water Sludge management system: primary and secondary sludge, quantity and characteristics, sludge thickening by gravity thickener, sludge centrifugation, introduction to aerobic digestion, principle of anaerobic digestion, stages of digestion, bio - gas production, characteristics & applications, factors governing anaerobic digestion, design of sludge digestor, sludge dewatering, sludge drying beds, sludge incineration, sludge disposal / reuse, challenges in sludge management. Wastewater recycle and reuse : driving factors for recycle and reuse, recycling of grey water, municipal sewage, storm water and industrial effluent, reuse opportunities in municipal, industrial, agricultural sector, regulatory guidelines: WHO, US EPA. (Chapter - 6)

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Pages: 112 Edition: 2024 Vendors: Technical Publications