The primary purpose of dams is for storage and safe retention of water in large quantity which is subsequently released to achieve various purposes such as irrigation, hydropower, recreation, water supply, flood prevention etc. 8 Main Purposes of Dams 1. ...
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Soak Pit – Need and Functions
A soak pit or a soakaway is a closed porous chamber that is directly connected to a primary treatment unit of residential or commercial building. It serves the function of letting the wastewater coming from the septic tank to slowly ...
Grit Chamber- Composition, Types, Working Principle, and Advantages
Grit chamber is a long narrow or circular tank in the primary sewage treatment plant that is designed to reduce the velocity of the flow of sewage to eliminate the girt materials such as sand, ash and clinkers, eggshells, bone ...
Difference between Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD)
Chemical Oxygen Demand (COD) and Biological Oxygen demand (BOD) are the two main characteristic properties that indicate the strength of sewage. Both the parameters test the oxygen-demanding strength of the wastewaters. The basic features of COD, BOD and their basic ...
Water Demand in Water Supply System
Determination of water demand is indispensable when it comes to the design of a proper water work project. An accurate estimation of water demand helps to determine the quantities of water and moments when the water will be used therefore ...
Bioswale – Design, Applications and Advantages
A Bioswale or biofiltration swale is a narrow strip of a vegetated area that redirects and filters stormwater. A typical bioswale is long, linear and shallow and is used to collect runoff water from non-porous surfaces such as roads, parking ...
4 Types of Septic Tank Materials
Septic tank collects sewage and treats it by bacterial decomposition and is generally located underground. For a better septic system, a good septic tank is important which depends on the type of material used for its construction. To select a ...
What is Gabion? Its Types, Applications, and Advantages
What is gabion? Gabion is a welded wire cage or box filled with materials such as stone, concrete, sand, or soil. So, gabion is a partially flexible block construction used for slope stability and erosion protection in construction. Various types of ...