What is the major advantage of a dual-media coal-sand filter

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Reference no: EM13541244

1.In excess lime softening,what multiple things are accomplished by recarbonation?

Explain in words, AND write relevantchemical equations to support your answer.

2.What is the major advantage of a dual-media coal-sand filter compared with aconventional sand filter?

3.Why must granular-mediafiltration in water treatment be preceded by chemical coagulation?

Reference no: EM13541244

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