Storm Water Management
There is increasing recognition that stormwater management needs to be undertaken in a safer and more ecologically sustainable manner. Stormwater should be regarded as…
Category: Sewage Treatment
Recommended Pipe for Sewers
Comparison of pipe materials suitable for sewers are furnished in below Table. The pipe materials recommended for gravity sewers are indicated in below Table.
Flocculation Basin
Flocculation is the operation in which the coagulated water must be gently mixed at a propeller speed of 15 to 20 rpm to promote…
Activated Sludge Process
Waste Water Treatment Activated sludge process The Activated Sludge Process is the one of the main in ( sewage treatment ) waste water treatment…
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Type of Activated Sludge Process
Description of different types of Activated Sludge Process Type of ASP Description Complete mix Activated Sludge Process Settled waste water and recycled activated sludge…
Construction of Waste Stablization Ponds
1.Site Selection for Waste Stabilization Ponds. The site selection for locating Waste Stabilization Ponds system should consider the following factors: The area where the…
Secondary Facultative Ponds
Secondary facultative ponds, which receive settled wastewater (usually the effluent from anaerobic ponds) are 1.20 – 1.50 meters deep. They are designed for BOD…
Waste Stablinzation Ponds
Multi-cell WSP system comprises of three types of ponds Anaerobic ponds Facultative ponds and Maturation ponds. Usually a WSP system comprises a single series…
DESIGN CRITERIA OF AERATED LAGOON
Detention Time The basis of design Of aerated lagoon can be hydraulic retention time (HRT) as well as the mean cell residence time or…
ADVANTAGES AND DISADVANTAGES OF WSP SYSTEMS
Advantages of WSPs are Lagoon systems can be cost-effective to design and construct in areas where land is inexpensive. They use less energy than…