Importance

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Abstract

A method of treating dairy wastewater includes receiving a dairy wastewater stream at a first pH from a dairy processing facility at an equalization tank, receiving the dairy wastewater stream from the equalization tank at a pump, and, based on at least one of the first pH or a second pH of the dairy wastewater stream upon exiting the equalization tank, receiving an acid to the dairy wastewater stream prior to the pump. A pump outlet stream includes a mixture of the dairy wastewater stream and the acid at a third pH that is lower than the first pH. The method also includes receiving the pump outlet stream at a pipe reactor in fluidic communication with the pump, then receiving the pipe reactor outlet stream at a dissolved air flotation (DAF) unit, and then outputting a liquid stream at a final pH from the DAF unit.

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First Claim