The best way to control High COD/BOD, removal of heavy Metals in waste water is to use Eco reagent.

  

The Industrial effluents contains high toxicity & heavy metals.

 The best way to control High COD/BOD,  removal of heavy Metals in waste water  is to use  Eco reagent in STP/ETP. It is economical & Biodegradable.

COD or Chemical Oxygen Demand is the total measurement of all chemicals (organics & in-organics) in the water / waste water; BOD is a measure of, the amount of oxygen that require for the bacteria to degrade the organic components present in water / waste water. The ratio of BOD/COD is about; COD is higher than that of BOD; maximum of up to 4 times in medium scale industries; but it varies based on the industrial process and nature of the raw materials used. COD is a measure of total organic molecules dissolved in waste water, 

 Where as The concept of BOD came after cities started dumping their waste water into the water bodies and this led to depletion of oxygen and then death of water bodies. BOD/COD ratio is a measure of food value. If the ratio is higher, it has higher food and less toxicity. Most important point is a fact that biochemical oxygen demand(BOD) is not due to food organics, it is due to nitrates. 

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