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BIOLOGICAL OXYGEN DEMAND

BIOLOGICAL OXYGEN DEMAND

Sewage Water Analysis BOD The presence of free oxygen is necessary for the livelihood of organisms present in the sewage water The aerobic action continuous till the free oxygen is present. As the oxygen...
Secondary Facultative Ponds

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 removal on the basis of a relatively low...
ADVANTAGES AND DISADVANTAGES OF WSP SYSTEMS

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 most waste water treatment methods. They are simple to operate...
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