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Online Course

Wastewater Treatment and Recycling

Indian Institute of Technology, Kharagpur and NPTEL via Swayam

Overview

This course has emphasises on Integrated Solid Waste Management aspects within the broad subject area of Integrated Waste Management for a Smart City. The issues of Municipal Solid Waste (MSW) management, Construction and Demolition (C&D) Waste and Electronic Waste Management will be covered in this course. The topics will include: generation rates and waste composition; Integrated waste management issues, collection, recovery, reuse, recycling, energy-from-waste, and landfilling; Biological treatment of the organic waste fraction - direct land application, composting, and anaerobic digestion. The environmental impact of waste management and its relationship on the big picture sustainable development and smart city development will be discussed. A major focus of this course will be the role of MSW management within the various initiatives of the Govt. of India including: Swachh Bharat Mission, Smart Cities as well as Make in India. The challenges of waste management for smart cities will also be discussed taking case studies from the first list of 20 smart cities identified in the first phase for this program. This will be followed by overview of the Construction and Demolition (C&D) Waste and Electronic Waste (E-Waste) management issues in India in general and for the smart cities in particular. The new rules with respect of C&D Waste and E-Waste Management will be covered. The challenges of managing these waste streams effectively will be discussed.


INTENDED AUDIENCEThe course will be beneficial for B.Tech/M.Tech/B.Sc/M.Sc/Research Scholars/Faculty members from different institutions. In addition, we will strongly encourage engineers/professionals working in any area related to waste management should consider taking advantage from this unique application orientated course. Regulators (SPCB, CPCB and MOEF professionals) and policy makers will also benefit from this course.PRE-REQUISITES Environmental Sciences, Introduction to Environmental EngineeringINDUSTRY SUPPORT Larsen and Tourbo, Tata Group of Industries, Ramky Group of Industries, IF&LS Environment

Syllabus

COURSE LAYOUT

Week 1 : Introduction:
General outline; Introduction to wastewater; Various sources and types ofwastewater; Need of wastewater management; Concept of wastewatertreatment and recyclingWeek 2 : Wastewater Generation and Characteristics:Wastewater generation and quantity estimation; Water quality parametersand standards (COD, BOD, DO, Solids, Nutrients, metals and emergingcontaminants); Sources specific wastewater physical and chemicalcharacteristicsWeek 3 : Natural Attenuation of Pollutants in Wastewater:Concept of natural attenuation; Wastewater discharge in rivers;Attenuation of pollutants on land application.Week 4 : Treatment Philosophy:Objectives of wastewater treatment; Concept of mass balance; kineticsand equilibrium processes; Reactors tanks; Continuously mixed tankreactors; Plug-flow reactors Introduction to primary, secondary andtertiary treatment;Week 5 : Preliminary and Primary Treatment Processes:Screening; Grit removal; Equalization tank; Sedimentation theory;Rectangular and circular sedimentation tanksWeek 6 : Secondary Treatment Processes:Biological treatment of wastewater; Microbial ecology and growth kinetics; Types of microorganisms; Aerobic and anaerobic processes;Suspended and attached growth systems; Activated sludge process;Tricking filters and Rotating biological contactorsWeek 7 : Secondary Treatment Processes - Anaerobic:Anaerobic treatment; Anaerobic decomposition of organic matter;Fluidized bed systems; Upflow anaerobic sludge blanket systems; Biogasproduction and collection; other reactor configurationsWeek 8 : Sludge Management:The quantity and characteristics of sewage sludge; Sludge dewatering,drying, and thickening; Sludge digestion; Aerobic and anaerobic sludgestabilization; CompostingWeek 9 : Tertiary (Advanced) Treatment Processes:Need and Objectives of advanced treatment; Nutrient (N and P) removal;Chemical treatment processes; Advanced oxidation processes; Adsorptionand Ion-exchange; Membrane processesWeek 10 : Current Treatment Approaches:Conventional systems; Integrated treatment systems; Advanced reactorconfigurations; SBR, MBR and MBBR; Application and case studiesWeek 11 : Wastewater Recycling:Scope and demands; Types and stages of recycling; Recyclingrequirements; Designated reuse criteria; centralized vs decentralizedrecycling systems.Week 12 : Technology Selection and Decision Making:Research trends in wastewater treatment and recycling; Choice modellingand decision making; Risks and challenges; Socio-economic perspectives;Case studies

Taught by

Dr. Manoj Kumar Tiwari

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