Environmental Engineering-II

About the course

In Environmental Engineering-II, we move forward from Environmental Engineering-I and introduce Basic Sanitation Concepts and Design of Sewer Systems. After design, we cover Components and Characteristics of Sewer Systems. We learn techniques for Sewage Disposal, Filtering and Treatment. Then we learn about Sludge and its Disposal Mechanism and different Tanks for Disposal-Oxidation and Septic. Later at the end, we discuss Hydraulic Design and Plumbing Design for Households.

What will you learn?

The complete online syllabus of this course comprises 11 Learning Modules | 166 Topics of Learning | 8.3 Hours of Learning | 51 Assessments

Module

• Introduction to Sanitation
• Design of sewer System
• Components of Sewer Systems
• Characteristics of Sewage
• Sewage Disposal Methods
• Treatment of Sewage
• Sewage Filtering
• Disposal of Sludge
• Oxidation Tanks and Septic Tanks
• Hydraulic Design
• Types of Plumbing and Sewage Design for Buildings

Topics of Learning

• Sanitation terms and Definitions
• Types of Sewage and types of sewerage systems
• components of a sewerage system
• design and planning of a a severage system
• Estimating the sewage discharge
• Design periods of different components of a sewearge systems
• Future Forecasts and Estimating Design Sewer Discharge
• variations in sewage flow and their effrtcs on design
• The Runoff Process and Peak Runoff Rate
• Coefficient of Runoff
• Intensity of Rainfall
• The time of Concentration
• The Aerial Distribution Factor
• Burkli-Ziegler Formula
• Dicken’s Formula
• Ryve’s Formula
• Inglis Formula
• Nawab Jung Bahadur Formula
• Dredge or Burge’s Formula
• Differences in the design of water supply pipes and sewer pipes
• Free Board in Sewers and S.W Drains
• Chezy’s Formula
• Kutter’s Formula
• Bazin’s Formula
• Manning’s Formula
• Crimp and Burge’s Formula
• William-Hazen Formula
• Minimum Velocities
• Maximum Velocities
• Effect of Flow Variation on Velocity n a Sewer
• Hydraulic characterstics of circular sewer systems
• Use of tables for design of hydraulic computations
• Different shapes of sewer pipes
• Internal Pressure of Sewage
• Pressure due to external loads
• Example of external loads on pipe
• Temperature Stresses
• Flexural Stresses
• sewer Materials
• Asbestos Cement Servers
• Plain Cement Concrete and Reinforced Cement Concrete Sewers
• Human Steel Pipes
• Vitrified clay or Stoneware or salt glazed Sewers
• Brick/Cast Iron/ Lead and Plastic Sewers
• Layering of the Sewer Pipes
• Excavating Trenches
• Timbering or Sheeting Trenches
• Dewatering of trenches
• Shaping the trench bottom to correct levels
• Laying the sewer pipes
• Testing of the sewer pipes
• Types of Holes
• Clean out, pits and street inlets
• Flushing tanks
• Grease and oil tank
• Maintenance of Sewers
• Cleaning of Sewers
• Ventilation of Sewers
• Type of pumps
• Centrifugal pumps
• Reciprocating Pumps
• Pneumatic Ejectors
• Pumping Stations
• Importance of Study
• Aerobic Decomposition
• Anaerobic Decomposition
• Physical Characteristics of Sewage and their Testing
• Threshold Odour Number
• Chemical Characteristics of Sewage and their testing
• Total Solids, Suspected Solids and Settleable Solids
• Different characteristics of chemical
• Biochemical oxygen demand
• Population Equivalent
• Relative Stability
• Conditions favoring disposals by dilution
• Standards of Dilution for discharge of wastewaters into rivers
• Disposal by dilution and standards
• Zones of pollution in a river stream
• Oxygen Deficit of a polluted river stream
• Oxygen Deficit of curve
• Disposal of wasterwaters in Lakes and Management of Lake Waters
• Disposal of wastewaters in Sea
• Disposal of sewage effluents on land for irrigation
• Quality standards for waste water effluetns to be discharged
• Effluent irrigation and Sewage farming
• Sewage Sickness
• Crops grown in sewage farms and their hygienic issues
• Dilution Method vs land disposal
• Classification of treatment Process
• Introduction to screening
• Types of Screen
• Comminutors
• Disposal of Screenings
• Grift Removal Basins
• Settling of discrete particles in waste waters
• Theory of Type 1 setting
• Deviation of Stoke’s Law
• Grit Chambers
• Constant velocity horizontal flow grit channels
• Design of a Rectangular Grit Chamber Provided with proportioning flow weir
• Design of Parbolic or V shaped Grit Chamber with Parshall Flume
• Parbolic Grit Channel
• Aerated Grit Channels
• Detritus Tanks
• Skimming Tanks
• Vacuators
• Disposal of Skimmings
• Necessity of sedimentation in treatment of waste water
• Sedimentation tanks
• Types of Sedimentation Tanks
• Design of Continuous Flow type of sedimentation
• Short Circuiting in the sedimentation tanks
• Constructional Details of the Sedimentation Tanks
• Chemical percipitation and coagulation
• Merits and demerits of coagulation process
• Introduction to sewage filteration
• conact beds for biological filtration of sewage
• Constructional Details
• intermittent sand filters for biological filteration
• trickling filters for biological filteration of sewage
• Construction and operation of trickling filters
• Types of Trickling Filters
• Design of trickling filters
• Performance of conventional filters and their efficiencies
• Recirculation of Treated Sewage and its use in high rate of trickling filters
• Types of High Rate Filters
• UASB Theory
• Design of UASB reactors
• Secondary settling tanks or humus tanks
• Sludge and its moisture content
• sludge digestion process
• stages in the sludge digestion process
• factors affecting sludge digestion and their control
• sludge digestion tanks and designs
• Disposal of Digested sludge
• Mechanical methods of Dewatering Sludge
• Use of lagoons for disposal of raw sludge
• Oxidation Ponds and Stabilization Ponds
• Constructional Details
• Oxidation Ditches (Pasveer Type) ir Extended
• Mechanically aerated lagoons
• Anaerobic and facultative Ponds
• Septic Tanks
• Constructional Details
• Biological Filters
• Imhoff Tanks
• Design of Gas vent and neutral zone
• Clariegesters
• High Rate Anerobic systems
• Hydraulic Design and Detale of a complete sewage treatment plant
• Methods of treating industrial water waste
• Removable Receptacle Privy
• Bore Hole Privy
• Aqua Privy
• Sulabh Shauchalaya
• Principles governing the design
• Function and types of traps used in sanitary plumbing systems
• Two Pipe System
• One Pipe System
• Single Track System
• Partially Ventilated Single track system
• Quantity of Flow
• Sewage Plans of Building
• testing of house sewers
• Water Closets
• Urinals
• Flushing cisterns of water closets
• Wash Basins
• Baths and bath Tubs
• Kitchen and Kitchen Sinks
• Antisphonge Pipes
• Minimum Sanitary Fixtures Required for different buildings
• Waste Water Recycling in Buildings

For a quick review, please watch our videos here  Online Engineering Videos For Environmental Engineering