visit a water treatment plant and find out how many methods are used to treat the water before it is let into the tap for use. write a report on the entire process involved in the cleaning of water
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Explanation: the waste water is treated by physical,biological and chemical methods .first, water's big waste organic and inorganic like polyethene tissue orange peel are seprated then it is passed through bar screens for smaller wastes. the organic waste is sludge which is converted into biogas after bar screen, the water speed is slowed to make other wastes settle down. after clear water is collected some bacteria anaerobic as active sludge are released into water so they eat up wastes and clean water . many times ozone is also added for additional treatment
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