Speedy Settling

Magnetite addition is part of a clarification system that helps a New Hampshire plant deal with wet-weather flows and achieve complete nitrification.
Speedy Settling
Testing documents the settleability of the mixed liquor suspended solids. The beaker on the left demonstrates the rapid settleability with the BioMag System.

Anew ballasted biological treatment process has helped the Allenstown (N.H.) Wastewater Treatment Plant expand capacity in response to orders from state regulators who had placed a moratorium on new sewer hookups.

The lower cost of the new process enabled the plant to make the...

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