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Rare-earth coagulant provides game-changing phosphorus reductions. Hit levels as low as 0.07 mg/L.

DATE POSTED: February 27, 2019



phosphorusHitting an ultra-low phosphorus limit for treated wastewater effluent can be difficult using ferric- or aluminum-based coagulants alone. Often, large amounts of these conventional coagulants must be used, yet treatment plants may still be unable to meet low phosphorus targets without adding costly filtration equipment.

But a new type of coagulant, based on rare earth elements, is enabling treatment plants to achieve phosphorus levels as low as 0.07 mg/L without filtration and without the need to use large amounts of coagulant. The rare earth elements in Neo RE300, Cerium and Lanthanum, bind tightly to phosphorus and form a dense precipitate that readily settles out of solution within minutes.

Easily switch to RE300 by simply replacing current coagulant

In most cases, plant operators can simply replace conventional coagulant with Neo rare earth coagulant to easily and cost-effectively improve the chemical precipitation and settling of phosphorus. RE300 requires no special chemical feed equipment and will often work with existing feed pumps. This simple switch can not only enable a plant achieve regulatory compliance for phosphorus discharge, it can also help communities avoid spending millions on capital costs for filtration equipment and ongoing operating costs.

phosphorusDozens of treatment plants are already using RE300 rare earth coagulant to meet stringent phosphorus targets and lower operating costs from reduced sludge production, improved sludge dewatering and decreased sludge hauling and disposal costs.

 

Case Study:

In just one example, a 3.4 MGD municipal wastewater treatment plant tested Neo rare earth coagulant for its ability to meet a new final water quality effluent limit on phosphorus of 0.075 mg/L. The trial showed that the coagulant alone could consistently reduce phosphorus in the treated effluent to 0.036 mg/L. This result was far superior to what the plant was able to achieve with its conventional coagulant, ferrous chloride, which could only reduce phosphorus to an average of 0.5 mg/L. After switching to Neo rare earth coagulant, the plant was also able to avoid installing new nutrient removal equipment, at an estimated cost of $2.8 million, and reduce solids production by about 35%.

Click to read the full case study.

Watch for more information about FE300 in our upcoming newsletters and learn more about the operational benefits, cost savings and environmental advantages that rare earth coagulant offers.

Contact us today to RE300 rare earth coagulant and how simple it is to switch your phosphorus reduction chemicals.

Learn more about RE300 rare earth coagulants for phosphorus reduction.

 

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