Environmental Solutions for Nutrient Reduction of Phosphorus

“The states and federal agencies that comprise the Mississippi River/Gulf of Mexico Watershed Nutrient Task Force, or the Hypoxia Task Force (HTF), continue to work collaboratively to implement the Gulf Hypoxia Action Plan 2008 (2008 Action Plan). Since the release of the plan, each HTF state has developed a nutrient reduction strategy through stakeholder participation that serves as a road map for implementing nutrient reductions in its state; these strategies serve as the cornerstone for reaching the HTF goals.”

Excerpt from “Looking Forward, The Strategy of the Federal Members of the Hypoxia Task Force”
Published by the Mississippi River/Gulf of Mexico Watershed Nutrient Task Force; December 2, 2016
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Learn more about the Mississippi River/Gulf of Mexico Watershed Nutrient Task Force

Since the Gulf Hypoxia Action Plan was implemented in 2008, timelines for compliance have since changed, but states are slowly starting to implement their Nutrient Loss Reduction Strategies. Some municipalities have already started presenting industry timelines on when their phosphorus/nitrogen discharge limitation change will go into effect. Many of these discharge limitations have still yet to be determined.

With that said, chemical and physical removal of phosphorus in waste water is currently one of the dominating removal strategies.

Task Force MapArea Affected by the Gulf Hypoxia Action Plan

Coral Environmental Solution: CORCAT W84L/CORCAT W85L

Coral Chemical Company offers a waste water treatment product combination for the treatment of phosphorus and heavy metals.

  • CORCAT W84L is a blended (organic/inorganic) coagulant containing cationic polymer and ferric chloride. It was also designed with calcium to aid in the removal/reduction of phosphorus.
  • CORCAT W85L is a magnesium/calcium conditioner for polishing water and removing phosphorus.

CORCAT W84L and CORCAT W85L were specifically designed to reduce phosphorus while removing and reducing heavy metals. The dosage of the products is specifically based on the incoming phosphorus load. Reducing phosphorus from >100 ppm to 10 ppm is relatively easy. The lower you go from 10 ppm, the more challenging the removal efficiency becomes. Going from 10 ppm to 5 ppm requires more chemistry, while going

MilbankInstallation of Waste Water Treatment System
Jar TestJar Test for Measuring Phosphorus Levels

Case Study for CORCAT W84L/CORCAT W85L

A Coral customer that utilizes two zinc-phosphate pretreatment spray systems uses Coral’s product combination of CORCAT W84L and CORCAT W85L in their waste water treatment system. The customer currently has a limit of 10 ppm of phosphorus, but consistently gets internal results of

Contact Coral’s Environmental Solutions department to learn more about our CORCAT W84L/CORCAT W85L water treatment solutions.

To order Coral’s CORCAT W84L/CORCAT W85L water treatment solutions, use our easy online order form.

CORCAT W84L and CORCAT W85L Literature

CORCAT W84L Operating BulletinCORCAT W85L Operating Bulletin

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