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Content (a) Water Supply Engineering: (Environmental Engineering Hand Written Notes)  Sources of supply, yields, design of intakes and conductors; Estimation of demand; Water quality standards; Control of water-borne diseases; Primary and secondary treatment, detailing and...

Filtration is most often a policing step to remove flocks or smaller un-sedimented particles. Filtration also removes dissolved organic matter ,dissolved minerals and micro organism . source :pamirtimes.net Filters are classified as -  Gravity filter  Pressure filter  In...

Sluice Valves /Gate valves  Sluice valves are also known as gate valves or shut -off valves . These valves are provided to regulate the flow of water through the pipe by dividing the mainline into several sections. These valves usually placed at the summits of the pressure conducts...

Cast iron pipes These pipes are resistant against corrosion ,have long life  credit IndiaMART (100 years) ,strong and durable moderate in cost ,easy to join . They can not withstand pressure above 700 KN/㎡ ,are likely to break during joining  or transportation...

Primary pollutants:  Primary pollutants are chemicals or pollutants emitted directly from the source. Example: SO2, nitrogen oxides (NOx), carbon dioxide (CO2), volatile organic compounds (VOCs) and other hazardous air pollutants (HAPs). Particulate matter emitted from combustion...

A Septic tank may be defined as as a primary sedimentation tanks with a longer detention period (12 to 36 hours). Raw sewage is directly fed into these tanks and kept for approximately 12 to 36 hours in which solid settle down in the tank resulting in the formation of...

In this method ,disposal of refuse is carried out by burning it at high temperature either in the presence or absence of oxygen . Source :google If the burning is done in the presence of oxygen ,it is termed as incineration and if it is done in limited or no supply of oxygen...

Composting is a biological method of disposal of refuse in which decomposition can be carried out either aerobically or anaerobically .The end product of the composting is termed as compost,manure or humus.  source google If composting is carried out aerobically ,mixing of...

The parameters which can be felt or sensed by any of four sensed are referred  as physical water quality parameters Credit HiAdvance Philippines SUSPENDED SOLIDS  TURBIDITY  COLOUR  TASTE AND ODOUR TEMPERATURE SUSPENDED SOLIDS  SOURCE Suspended solids...