Publication:

Water and Environmental Engineering

Author(s)/Editor(s): Abdullah Al-Muyeed, Habibur Rahman

Category: Books

This book is focused on water pollution, water supply & demand management, distribution mechanics of water network, leakage, risk management, physical integrity of distribution main, plumbing and water safety plan issues of engineering curricula of Bangladesh.

The book has been developed for both undergraduate and graduate students studying environmental engineering focused on water supply, water treatment and distribution & management in engineering aspects and their teachers at technical institutions in Bangladesh. It is also meant for professionals already working in this water sector, who can use the textbook for reference. The development of this textbook was a challenging process. All concerned authorities wanted to make sure that the textbook would be useful for the students studying in this field, teachers, technicians and professionals working in drinking water sector.

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This book comprises of 15 chapters where the first chapter covers general description of environmental engineering and historical background of civil and sanitary engineering. It also describes the general description of public health, ecology, biodiversity, aerobic-anaerobic degradation and ethics in environmental engineering profession. Special emphasis is given to this issues perspective to Bangladesh. The second chapter includes water pollution and its effects on streams, lakes, groundwater and oceans. Chapter three comprises of water demand, consumption, and frequency of water demand and estimation of demand in water supply system. The next chapter describes different sources of water, aquifer and its types, safe yield and source contamination of water. Chapter five describes about pumps, classification of pumps, pump curves, flow meter and pump hydraulics. Chapter six describes different mechanisms to treat drinking water and how to treat water from a water source following standards. Here, Bangladesh WHO and EPA standards are reported to treat water for clinking purpose. Chapter seven discusses the specific arsenic treatment technologies as it is treated as the most toxic substance present in ground water of Bangladesh. Chapter eight discusses briefly about tubewell technologies and mechanism of well construction

Distribution hydraulics and mechanism of water are explained in details in chapter nine. The following chapter discusses the plumbing system that present in Bangladesh. Chapter eleven discusses water demand management and loss control where cost, auditing and economical values of water are discussed. Chapter twelve depicts physical integrity of water where structural failure of different components of pipeline is described. Chapter thirteen describes water safety plan and components of it. The next chapter describes different options of alternative water supplies, especially water scarcity if present in the rural Bangladesh. Finally, chapter fifteen describes briefly the sustainable water management (SuWM) of developing countries, especially for Bangladesh. In this chapter, the elements, principles, technological options, operations and maintenance of SuWM are briefly discussed. However, in first edition of this text book, combination of SI and British unit is used in calculations and examples as both the units are widely used in the engineering curricula of Bangladesh. But, it is expected that the next edition will be separately either SI or British unit.

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