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Easily achieve tough phosphorus limits—as low as 0.07 mg/L —with Neo RE300 rare earth coagulant

Neo RE300 coagulant, based on rare earth elements, makes it possible for wastewater treatment plants to achieve ultra-low phosphorus targets—as low as 0.07 mg/L—without adding or upgrading tertiary filtration equipment.

Forms denser precipitate that settles faster

This non-hazardous, concentrated chemical can replace conventional iron- or aluminum- based coagulants and dramatically improves chemical precipitation of phosphorus. The rare earth elements in RE300, Cerium and Lanthanum, enable the coagulant to form a strong, crystalline bond with phosphorus that produces a denser, more stable precipitate that settles about two times faster than alternatives.

NEO RE300 binds tightly to phosphorus at a 1:1 molar ratio so much less is needed to achieve excellent phosphorus removal. Ferric or aluminum-based coagulants adsorb to the surface of phosphorus at about 5:2 molar ratio so much larger amounts are needed to reduce phosphorus levels in treated effluent.

Proven performance and savings at plants of all sizes

More than 50 wastewater plants in the US are using Neo RE300 to meet stringent phosphorus discharge requirements, improve clarifier performance and gain significant operational efficiencies and cost savings, including:

  • Consistent compliance with tough phosphorus removal targets, as low as 0.07 mg/L;
  • Up to 70% less sludge production and major savings in disposal costs;
  • Up to 30% improvement in sludge dewatering with reduced operation of dewatering equipment and associated energy costs;
  • Low freezing  point (-40C) enables consistent dosing and performance without heat tracing cables;
  • Reduced chemical usage—1:1 molar ratio for RE300 vs. 5:2 for Fe/Al
  • Prevents formation of struvite and won’t discolour equipment;
  • Enhanced environmental protection – treated effluent consistently passes Whole Effluent Toxicity testing;
  • Non-hazardous rating helps keep operators safe and simplifies handling;
  • Concentrated formula reduces storage space requirements.

Case Studies

Achieving consistent compliance for phosphorus and aluminum limits

A 777,000 GPD wastewater plant was having difficulty meeting discharge limits for phosphorus and aluminum. Increasing the dose of ferric chloride was unsuccessful and caused serious corrosion to buried chemicial feed lines. Read how Neo rare earth coagulant helped the plant achieve compliance, improve clarifier performance and protect costly equipment.

Read more about the Albion WWTP upgrade here.

Meeting tougher phosphorus discharge limits without adding costly nutrient removal equipment

When a plant was unable to meet new phosphorus limits with ferrous chloride, it seemed that a costly upgrade was the only option. The potential cost of new nutrient removal equipment was estimated at $2.8 million, plus higher ongoing maintenance and operating costs. Read how Neo rare earth coagulant enabled the plant to achieve 0.075 mg/L phosphorus target and avoid a costly infrastructure upgrade.

Read more on the Hartford case study here.

Download the Neo RE300 brochure to
learn more about how the product works
and the potential benefits to your wastewater
treatment plant.


Bishop Water Technologies
220 Carswell St., Renfrew, Ontario, Canada K7V 2G4

Phone: 343-361-0463
Fax: 1-844-272-6102

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