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Water is one of the utmost important natural resources and also one of the basic needs for living things to stay alive in the world. Water is mainly used for drinking, irrigation and various processes in industries. In the current scenario, industrial sectors are consuming huge volume of water for processes and discharging the same as wastewater either into the land or water stream. This causes environmental pollution and water scarcity. Wastewater contains many contaminants which are harmful to the living things. Therefore, the contaminated water has to be treated and may be reused reuse for many purposes.
