Abstract
Cost effective mechanism is the treatment of waste water to use treated water further for irrigation purpose and also to increase ground water level. That means, to reduce the concentration of TDS, BOD, COD, DO of waste water. Waste water includes plastic, sludge, and solid waste which directly and indirectly affect human health, underground water, and agriculture. In primary treatment, Screens are used for separating the solid waste and sludge flowing with waste water. We can use this separated sludge as a fertilizer for agriculture purpose. Purification of the waste water is done by aeration and sedimentation processes by providing porous bandhara, solid bandhara, & porous gravel filter. In further process a horizontal constructed wetlands are used. Constructed wetlands are shallow extensively vegetated water bodies that use enhanced sedimentation; fine filtration and pollutant absorb process to remove pollutants from waste water. This technology is using a natural way to effectively treating the waste water where no external energy is required as well as having low maintenance cost. This method is beneficial in draught areas to increase ground water level.
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