Various Methods of Treatment of Water
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Abstract
Wastewater treatment is a process used to remove contaminants from wastewater or sewage and convert it into an effluent that can be returned to the water cycle with acceptable impact on the environment, or reused for various purposes (called water reclamation). Pollutants in wastewater are removed, converted or broken down during the treatment process. In this paper various available method for the treatment of water, their working principle, advantages and disadvantages are discussed in detail. The various methods discussed are precipitation method, Flocculation-Coagulation, Electro-flocullation, Electro-flotation, Electrochemical Coagulation, Biological Degradation, Chemical Oxidation (Ozonation, Hydrogen Peroxide), Reverse Osmosis and adsorption. Out of all the methods discussed adsorption is found to be best because of its low cost and effectiveness but it also has certain disadvantages which are discussed.
