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Evaluate the physical and chemical methods of waste treatment? How efficient are they in and what...

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Chemistry

Evaluate the physical and chemical methods of waste treatment?How efficient are they in and what is their effect on theenvironment (positive and/or negative)?

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Firstly coming to the physical methods of waste treatmentThey are as follows sedimentation screening aeration filtrationflotationskimmingdegasificationequalization and ultraviolet treatment secondly the chemical methods include chlorinationozonationneutralizationcoagulationadsorption and ion exchange method In real life water treatment the method used depends on the quality of the water required the cost of the treatment time available in doing so and many other factors Many times both physical and chemical methods are carried out hand in hand for efficient water treatment Physical methods include processes where no gross chemical or biological changes are carried out and strictly physical phenomena are used to improve or treat the wastewater Examples would be coarse screening to remove larger entrained objects and    See Answer
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