Book description
The book is aimed at covering the syllabi requirements of Environmental Engineering-I offered to the undergraduate students of civil engineering. Designed with a student friendly approach, envisioning the benchmark status of the text, the treatise provides collective and definitive information on various aspects of Environmental Engineering including quantity and quality of water, house drainage, environmental microbiology, air pollution and solid waste management.
Table of contents
- Preface
- About the Author
-
1 Environment and Its Components
- 1.1 Introduction: Background and Definitions
- 1.1.1 Definitions
- 1.2 The Human Environment
- 1.2.1 Man, Environment and Religion
- 1.2.2 Man and Environment: The Interactions
- 1.2.3 The Anthropocene
- 1.3 Elements of Environment
- 1.4 Components of Environment
- 1.4.1 Components of Environment as per British Scientists
- 1.4.2 Components of Environment as per the American Scientists
- 1.4.3 Components of Environment: American Approach
- 1.4.4 Socio-sphere
- Review Questions
-
2 Environmental Microbiology
- 2.1 Introduction
- 2.1.1 Microbiology
- 2.1.2 The Cell
- 2.1.3 What are Microorganisms?
- 2.2 The Biological Kingdoms
- 2.2.1 Groups of Microorganisms
- 2.3 Types of Microorganisms
- 2.3.1 Bacteria
- 2.3.2 The Bacterial Growth Pattern
- 2.3.3 Mathematics of Growth
- 2.3.4 Algae
- 2.3.5 Rotifers
- 2.3.6 Lower Crustaceans
- 2.3.7 Worms (Vermes)
- 2.3.8 Fungi
- 2.3.9 Viruses
- 2.4 Waterborne Enteric Diseases
- 2.4.1 Indicators of Fecal Pollution
- 2.4.2 Bacterial Indicators of Excretal/Fecal Pollution
- 2.4.3 Coliform Test
- 2.4.4 Characteristics of Indicator Organisms
- 2.4.5 Tests
- 2.5 Role of Microorganisms
- Review Questions
-
3 Quantity of Water
- 3.1 Introduction
- 3.2 Water as a Resource
- 3.2.1 The Water Uses
- 3.3 Sources of Water
- 3.4 Water Resources of India: Availabilty and Distribution
- 3.4.1 Availability
- 3.4.2 Surface Water Resources
- 3.4.3 Ground Water Resources
- 3.4.4 Distribution of Water Resources
- 3.4.5 Water Scarcity
- 3.4.6 Important Terms Related to Ground Water and Surface Water
- 3.5 Assessment of Water Requirements
- 3.5.1 The Water Demand
- 3.5.2 Water Quantity Estimation for City or Town
- 3.5.3 Design Period
- 3.5.4 Population Forecast for Water Estimation
- 3.5.5 Industrial Water Use and Economy
- Review Questions
-
4 Quality of Water
- 4.1 Introduction
- 4.1.1 Water Quality Parameters
- 4.2 Raw Water Characteristics
- 4.3 Impurities in Water
- 4.3.1 Sources and Impacts of Water Impurities
- 4.4 What is Pure Water?
- 4.5 The Drinking Water
- 4.6 Water Use in Industry
- 4.6.1 Water Quantity
- 4.6.2 Water Quality for Industrial Use
- 4.6.3 Water Quality for Boilers and Cooling Towers
- 4.6.4 Industrial Process Water Quality
- Review Questions
-
5 Wastewaters: Types, Effects and Characteristics
- 5.1 Introduction
- 5.2 The Wastewater
- 5.3 Types of Wastewater
- 5.3.1 Domestic Wastewater
- 5.3.2 Industrial Wastewater
- 5.3.3 Municipal Wastewater
- 5.4 Types of Industrial Wastewaters
- 5.5 The Difference Between Industrial and Domestic Wastewaters
- 5.6 Why is it Necessary to Treat Wastewater?
- 5.7 Effects of Industrial Wastewater Discharges
- 5.7.1 Effects on Receiving Waters
- 5.7.2 Effects on Operation and Performance of Public Owned Treatment Works (POTW) and Industrial Wastewater Treatment System (IWTS)
- 5.7.3 Effects on the Collection System
- 5.8 Wastewater Characteristics
- 5.8.1 Classification of Wastewater Characteristics
- 5.9 Measurement of Organic Content of Wastewater
- 5.9.1 Estimating the Organic Content of Wastewater
- 5.9.2 Biochemical Oxygen Demand
- 5.9.3 Chemical Oxygen Demand
- 5.9.4 Total Organic Carbon (TOC) Test
- 5.10 Relationship among Bod, Cod and TOC
- 5.11 Total Oxygen Demand (TOD)
- 5.12 Theoretical Oxygen Demand (Th.O.D)
- 5.13 Biological vs Physico–Chemical Analysis
- 5.14 Microbiological Characteristics
- Review Questions
-
6 Industrial Wastes: Origin, Characteristics and Treatment
- 6.1 General Classification of Industries
- 6.2 Classification of Industrial Wastewaters
- 6.2.1 Major Types of Wastewaters
- 6.2.2 Continuous and Intermittent Wastewater Discharges
- 6.2.3 Industrial Effluent Treatment
- 6.3 Discharge of Effluents into Various Environmental Sinks
- 6.3.1 Discharge Limits
- 6.3.2 The Environmental Sinks
- 6.3.3 Alternative Routes of Industrial Waste Treatment and Disposal
- 6.4 Tannery Industry
- 6.4.1 Introduction
- 6.4.2 Process Description
- 6.4.3 The Production Process
- 6.4.4 Wastewater Sources, Quantity and Characteristics
- 6.4.5 Treatment of Tannery Effluents
- 6.5 Dairy Industry
- 6.5.1 Introduction
- 6.5.2 The Indian Scenario
- 6.5.3 The Manufacturing Process
- 6.5.4 Sources and Characteristics of Wastewaters
- 6.5.5 Volume of Wastewaters
- 6.5.6 Treatment of Dairy Wastewaters
- 6.6 Textile Industry
- 6.6.1 Introduction
- 6.6.2 The Textile Process
- 6.6.3 Origin and Characteristics of the Textile Wastes
- 6.6.4 Treatment of Textile Wastewaters
- 6.7 Dyes Industry
- 6.7.1 The Dye
- 6.7.2 Manufacturing Process of Dyes
- 6.7.3 Sources and Characteristics of Wastewater
- 6.7.4 Other Wastes
- 6.7.5 Wastewater Treatment Methods
- 6.8 Dyeing and Printing Industry
- 6.8.1 Introduction
- 6.8.2 Textile Dyeing and Printing Process
- 6.8.3 Textile Dying Wastewater Treatment Processes
- 6.9 Recycling and Reuse of Industrial Wastewaters: The Need
- Review Questions
-
7 Air Pollution: Sources and Effects
- 7.1 Introduction
- 7.2 The Atmosphere
- 7.2.1 Atmospheric Structure
- 7.3 Air Pollution: Definition
- 7.4 Sources of Air Pollution
- 7.4.1 Sources of Air Pollution
- 7.4.2 Classification of Air Pollutants
- 7.5 Criteria Pollutants
- 7.5.1 Particulate Matter (PM)
- 7.5.2 Carbon Monoxide
- 7.5.3 Sulfur Oxides
- 7.5.4 Nitrogen Oxides (NOX)
- 7.5.5 Ground Level Ozone (O3)
- 7.5.6 Lead (Pb)
- 7.6 Pollutants which are Carcinogenic
- 7.7 General Health Effects of Air Pollution
- 7.8 Units of Measurement for Air Pollutants
- 7.9 Air Pollution Episodes
- 7.9.1 What Leads to an Episodes?
- 7.10 Factors Affecting Air Pollution
- 7.11 National Ambient Air Quality Standards: (NAAQS)
- Review Questions
-
8 Air Pollution: Pollutant Control System
- 8.1 Particulate Emission Control
- 8.1.1 Classification of Particulate Control Equipments
- 8.1.2 Types of Particulate Collectors
- 8.1.3 Gravitational Settling Chamber
- 8.1.4 Mechanical Separators
- 8.1.5 Electrostatic Precipitator (ESP)
- 8.1.6 Fabric Filters
- 8.1.7 Wet Scrubbers
- 8.2 Control of Gaseous Pollutants from Stationary Sources
- 8.2.1 Methods of Controlling the Gaseous Pollutants
- 8.3 Summary of Control Techniques
- Review Questions
-
9 Solid Waste Management: Generation, Collection and Transportation
- 9.1 Introduction
- 9.2 Solid Waste: Terminology
- 9.3 Municipal Solid Waste
- 9.4 Solid Waste Management
- 9.4.1 Solid Waste Management Options
- 9.4.2 Functional Elements of Municipal Solid Waste Management
- 9.4.3 Integrated Solid Waste Management (ISWM)
- 9.5 Quantity, Composition and Characteristics of Municipal Solid Waste
- 9.5.1 Source and Classification of Solid Waste
- 9.5.2 Generation of Solid Waste
- 9.5.3 Composition and Characteristics
- 9.6 Collection and Transportation of Solid Waste
- 9.6.1 Collection of MSW
- 9.6.2 Street Sweeping
- 9.6.3 Secondary Storage
- 9.6.4 Transfer Station
- 9.6.5 Transportation of Solid Wastes
- Review Questions
-
10 Solid Waste Management: Processing, Treatment and Landfilling
- 10.1 Introduction: Processing and Treatment of Solid Waste
- 10.1.1 Material Recovery Facility (MRF)
- 10.1.2 Purposes of Processing
- 10.2 Disposal of Solid Waste: The Landfills
- 10.2.1 Landfilling Methods
- 10.2.2 Landfill Implementation
- 10.3 Leachate Control: The Liner Systems
- 10.3.1 Types of Liner Systems
- 10.3.2 Recommended Liner System for MSW in India
- 10.3.3 Leachate Collection System
- 10.4 Landfill Gas: Quality and Quantity
- 10.4.1 Estimating the Quantity of Landfill Gas
- 10.4.2 Landfills as a Source of Global Warming
- 10.5 Landfill Closure
- 10.5.1 Composition of Final Cover or Cap
- 10.5.2 Landfill Capacity
- 10.5.3 Use of Completed Landfills
- Review Questions
-
11 Noise: Sources and Control
- 11.1 Introduction: Sound and Noise
- 11.1.1 Sound: How Sound is Produced?
- 11.1.2 Noise
- 11.2 Definition of Noise
- 11.2.1 Noise Pollution
- 11.3 Characteristics of Sound
- 11.4 Noise Measurement Scale—Levels and the Decibels
- 11.4.1 The Decibel
- 11.4.2 The Levels
- 11.4.3 Loudness and SPL
- 11.4.4 Equivalent Noise Level (Leq)
- 11.5 The Weighting Networks
- 11.5.1 The A-weighted decibel, (dBA)
- 11.6 Combining Sound Pressure Levels
- 11.6.1 Addition of Two Noise Levels
- 11.6.2 Addition of Several Noise Levels
- 11.7 Sources of Noise
- 11.8 Effects of Noise on People
- 11.9 Control of Noise (Pollution)
- 11.9.1 Basic Concepts of Noise Control
- 11.9.2 Noise Management Strategy
- 11.9.3 The Computation of Noise
- 11.9.4 Types of Sound Sources: Effect of Doubling Distances
- 11.9.5 Statistical Distribution of Noise Levels—The LN Concept
- Review Questions
-
12 House Drainage
- 12.1 Introduction
- 12.2 Aims of the House Drainage System
- 12.3 The Requirements of a Well Designed System
- 12.4 House or Building Drainage System
- 12.4.1 The Characteristics of Good Drainage System
- 12.5 Terms and Definitions
- 12.6 Water and Air in Building Drainage
- 12.6.1 Water in Building Drainage
- 12.6.2 Air in Building Drainage
- 12.6.3 Pressure Measurement in the System
- 12.6.4 Pressure Transients
- 12.7 Pipes in House Drainage System
- 12.7.1 The Pipe Materials
- 12.8 The Drains
- 12.8.1 Additional Requirements of the Drains
- 12.9 Inspection Chambers (Ic) and Manholes (Mh)
- 12.9.1 Inspection Chamber
- 12.9.2 Manhole
- 12.10 Traps—The Siphons
- 12.10.1 Requirements of Siphons (Traps)
- 12.10.2 Placement of Siphons
- 12.10.3 Self-Siphonage and Induced Siphonage
- 12.10.4 Causes of Water Seal Loss
- 12.10.5 Classification of Traps
- 12.11 The Plumbing System for House Drainage
- 12.12 Ventilation
- 12.13 Principles of Planning and Design of House Drainage
- 12.13.1 The General Layout of the House Drainage System
- Review Questions
-
13 Environmental Impact Assessment and Audit
- 13.1 Introduction
- 13.2 Eia : The Component Terms
- 13.2.1 EIA Definitions
- 13.3 Relationship Between Man’s Action, Environmental Effects and Impact
- 13.4 The Players in Eia Process
- 13.5 Attributes of EIA
- 13.5.1 The Roles of (why) EIA
- 13.5.2 The Purposes of EIA
- 13.5.3 Functions of EIA
- 13.5.4 Benefits of EIA
- 13.5.5 The Aims and Objectives of EIA
- 13.5.6 Limitations of EIA
- 13.6 Eia —As a Four Step Activity
- 13.7 Types of EIA
- 13.7.1 Criteria for Rapid or Comprehensive EIA
- 13.8 Eight Steps for Carrying Out the Eia Study
- 13.9 Environmental Audit
- 13.9.1 Background
- 13.9.2 Environmental Audit: The Private and Public Sector
- 13.9.3 Environmental Auditing (EA) and Environmental Management System (EMS)
- 13.9.4 Purposes of Environmental Audit
- 13.9.5 Limitations and Benefits of Environmental Audits
- 13.9.6 Planning an Environmental Audit
- 13.9.7 How to Conduct an Environmental Audit?
- 13.9.8 Following UP Environmental Audit
- 13.9.9 Problems Encountered During the Environmental Audit
- 13.9.10 The Environmental Audit Programmes in India: The Background
- 13.9.11 Environmental Audit Scheme—As Implemented in Gujarat
- 13.10 Environmental Impact Assessment and Environmental Auditing
- Review Questions
-
14 Water Treatment Systems
- 14.1 Introduction
- 14.2 Water Quality and Treatment
- 14.2.1 Sources of Water: The Quality Difference
- 14.2.2 The Water Quality Standards
- 14.2.3 The Objectives of Water Treatment
- 14.3 The Water Treatment Options and Selection Thereof
- 14.4 Sedimentation
- 14.4.1 Type of Suspended Solids
- 14.4.2 Types of Settling
- 14.4.3 Theory of Sedimentation
- 14.4.4 The Stocks’ Law
- 14.4.5 The Ideal Sedimentation Tank
- 14.4.6 Types of Sedimentation Tanks
- 14.4.7 Design of Sedimentation Tanks
- 14.4.8 Design Equations
- 14.5 Coagulation and Rapid Mixing
- 14.5.1 What are Colloids?
- 14.5.2 Types of Colloids
- 14.5.3 Destabilisation of Colloids
- 14.5.4 Mechanisms of Coagulation
- 14.5.5 Reactions Involved
- 14.5.6 Common Coagulants
- 14.5.7 Mixing of Coagulants
- 14.6 Flocculation
- 14.6.1 Definition of Flocculation
- 14.6.2 Mechanisms of Flocculation
- 14.6.3 Factors Affecting Flocculation
- 14.6.4 Velocity Gradient
- 14.6.5 Dimensionless Product G.t
- 14.6.6 Design Criteria
- 14.7 Filtration
- 14.7.1 The Filtration Process
- 14.7.2 Hydraulics of Filtration
- 14.7.3 Classification and Types of Rapid Sand Filter
- 14.7.4 The Rapid Sand Filter Box and Operation
- 14.7.5 Filter Appurtenances
- 14.7.6 Important Terms and Definitions
- 14.7.7 Design Criteria for RSF
- 14.8 Disinfection
- 14.8.1 Objectives of Disinfection
- 14.8.2 Theory of Disinfection
- 14.8.3 The Chemical Disinfectants
- 14.8.4 Chlorination
- 14.9 Design of 20 MLD Water Treatment Plant
- 14.10 Solved Numerical Problems
- Review Questions
- Bibliography
- Index
Product information
- Title: Environmental Engineering
- Author(s):
- Release date: March 2017
- Publisher(s): Pearson India
- ISBN: 9789352861811
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