From April through October (in-season), effluent from the Billerica (Mass.) Wastewater Treatment Plant averaged 0.80 mg/L total phosphorus. From November through March (off-season), it averaged 1.55 mg/L. In 2008, the U.S. EPA lowered the plant’s total phosphorus limit to 0.20...
A Settling Process Using Magnetite Ballast Helps A Massachusetts Plant Meet Strict Phosphorus Limits
A phosphorous reduction process using magnetite ballast helps a Massachusetts treatment plant consistently meet strict effluent permit limits.
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