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WASTEWATER TREATMENT TECHNOLOGIES

SWAB TECHNOLOGY ( Scientific Wetland with Activated Bio-Digestor )

Salient Features

• Cost-effective
• Negligible operation and maintenance
expenses
• Minimum electricity requirement
• Smaller footprint
• Facilitates recycle and reuse of water
• No foul odor and No mosquito nuisance

Understanding in-situ treatment systems is essential to maintaining and controlling hydraulic conditions in open streams.

Aeration, as a physical treatment approach, is used either as a standalone system or as a support for other systems (e.g., wetlands).

Other examples of physical treatment approaches are water diversion and sediment dredging.

Water diversion, however, can be a large-scale, high-cost option while sediment dredging can cause the re-suspension of contaminated sediments.

Aeration removes odour and tastes due to volatile gases like hydrogen sulphide and due to algae and related organisms. Aeration also oxidise iron and manganese, increases dissolved oxygen content in water, removes CO2 and reduces corrosion and removes methane and other flammable gases.

The barrier is developed using recycled materials to stop floating debris on floating surface of drains. Debris is then frequently collected to clean up the drain.