Environmental Engineering By B.c Punmia.pdf
Environmental Engineering By B.c Punmia.pdf
Environmental engineering is a branch of engineering that deals with the design, construction, operation and maintenance of systems and processes that protect human health and the environment from harmful effects of pollution. Environmental engineering also aims to improve the quality of life and well-being of people and communities by providing solutions for environmental problems such as water scarcity, waste management, air quality, climate change, renewable energy, etc.
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One of the books that covers the fundamentals and applications of environmental engineering is Environmental Engineering by B.C. Punmia, Ashok Kumar Jain and Arun Kumar Jain. This book is divided into two volumes: Water Supply Engineering and Waste Water Engineering. The book is written in S.I. units and follows the syllabus of various universities and institutions in India and abroad.
Water Supply Engineering
The first volume of the book, Water Supply Engineering, deals with the topics related to the planning, design, construction and operation of water supply systems. The book covers the following chapters:
Introduction: This chapter gives an overview of the importance, scope and objectives of water supply engineering. It also discusses the sources, quality and quantity of water, and the factors affecting water demand.
Water Treatment: This chapter explains the various methods and processes of water treatment, such as screening, sedimentation, coagulation, filtration, disinfection, softening, etc. It also describes the design criteria and principles of various water treatment units.
Water Distribution: This chapter covers the topics related to the distribution of water to consumers, such as distribution system layout, pipe network analysis, design of pipes and fittings, valves and appurtenances, pumps and pumping stations, water meters and billing, etc.
Rural Water Supply: This chapter focuses on the issues and challenges of providing water supply to rural areas. It discusses the sources, quality standards, treatment methods, distribution systems and maintenance aspects of rural water supply.
Miscellaneous Topics: This chapter covers some additional topics related to water supply engineering, such as water supply for fire fighting, water supply for buildings, water hammer phenomenon, leak detection and control, etc.
The book also contains appendices that provide useful data and tables for reference. The book is enriched with numerous examples, illustrations, diagrams and solved problems that help in understanding the concepts and applications of water supply engineering.
Waste Water Engineering
The second volume of the book, Waste Water Engineering, deals with the topics related to the collection, treatment and disposal of waste water. The book covers the following chapters:
Introduction: This chapter gives an overview of the importance, scope and objectives of waste water engineering. It also discusses the sources, characteristics and classification of waste water, and the effects of waste water pollution on human health and the environment.
Sewerage System: This chapter explains the various components and functions of a sewerage system. It also describes the design criteria and principles of sewers and sewer appurtenances, such as manholes, inlets, outlets, traps, etc.
Sewage Treatment: This chapter covers the various methods and processes of sewage treatment, such as preliminary treatment (screening, grit removal), primary treatment (sedimentation), secondary treatment (biological processes), tertiary treatment (advanced processes), sludge treatment (thickening, digestion), etc. It also discusses the design criteria and principles of various sewage treatment units.
Sewage Disposal: This chapter covers the topics related to the disposal of treated sewage into natural water bodies or land. It also discusses the standards and criteria for sewage disposal, such as dilution, self-purification capacity, oxygen demand and oxygen sag curve.
Rural Sanitation: This chapter focuses on the issues and challenges of providing sanitation facilities to rural areas. It discusses the types, designs and maintenance aspects of rural sanitation systems, such as latrines (pit latrines, septic tanks), soak pits, drainage channels, etc.
Miscellaneous Topics: This chapter covers some additional topics related to waste water engineering, such as industrial waste water treatment and disposal, sewage farming, sewage reclamation and reuse, etc.
The book also contains appendices that provide useful data and tables for reference. The book is enriched with numerous examples, illustrations, diagrams and solved problems that help in understanding the concepts and applications of waste water engineering.
Conclusion
Environmental Engineering by B.C. Punmia, Ashok Kumar Jain and Arun Kumar Jain is a comprehensive and authoritative book that covers the fundamentals and applications of environmental engineering. The book is suitable for students, teachers, researchers and practitioners of environmental engineering and related fields. The book is available in PDF format online from various sources .