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P Removal
- Thread starter QApollo
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The molar ratio of aluminum to phosphorus in the precipitation reaction is 1:1 which is equivalent to a weight ratio of 0.87:1.0 . Since alum contains 9% Al 9.7 kg of coagulant is theoretically required to precipitate 1 kg of P.
The reaction is complex because of secondary reactions with colloidal solids and alkalinity. Therefore, the theoretical quantity should be confirmed in the field.
The reaction is complex because of secondary reactions with colloidal solids and alkalinity. Therefore, the theoretical quantity should be confirmed in the field.
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