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BioCord™ pilot system proves mettle for cold-weather nitrification

DATE POSTED: March 26, 2019




biocord pilot, biocord, cold weather nitrification

 

A BioCord pilot system has successfully demonstrated its ability to easily and affordably achieve high ammonia removal for an industrial wastewater lagoon during the cold winter months. Winter and early spring typically pose significant challenges for treatment lagoons to remove ammonia and meet regulatory limits in treated effluent.

This site, a petrochemical manufacturing plant in western Canada, operates a three-lagoon treatment plant, designed to reduce high ammonia and organic loads in the wastewater.

For the pilot project, a containerized, plug-and-play BioCord system was set up to treat raw wastewater from the second pond in the lagoon system—the point where nitrogen is highest.

After 14 weeks of operation, the BioCord system demonstrated significantly better performance than the lagoon for reducing ammonia concentrations and other key treatment parameters such as BOD, cBOD, TSS and COD. Even when the temperature of the wastewater fell as low as 2.8C, BioCord was able to achieve 97% reduction of ammonia.

On average, the BioCord Reactor pilot system was able to reduce ammonia concentration in treated effluent to about 13 mg/L, vs. influent concentration of about 38 mg/L. By comparison, treatment pond 2 was only able to achieve an average of 2% ammonia reduction during cold conditions, reducing the concentration from an average of 38 mg/L to 37 mg/L, well above the site’s regulated discharge limit of 30 mg/L.

biocord pilot, biocord, cold weather nitrification

 

Data from the study can also be used to design a full-scale, modular BioCord system for the site. Unlike alternative approaches that require additional tanks and energy-intensive blowers, a BioCord system is installed directly into the treatment lagoon, helping to minimize capital costs and eliminating the need to expand plant footprint. This design, along with low-energy compressors, rather than costly blowers enables a BioCord system to consume about 50% less energy than an MBBR system designed to achieve the same level of nutrient removal. The compressors, combined with an integrated aeration diffuser, provide an optimized level of oxygen and mixing to develop a robust, highly efficient biofilm.  

 

Learn more about BioCord Reactors for cold-weather ammonia removal in treatment lagoons.

Contact us to discuss a BioCord Pilot System for your treatment plant.

 

In western Canada, contact DWG Process Supply: biocord pilot, biocord, cold weather nitrification

Bay 110, 44 Riel Drive
Riel Business Park
St.Albert, AB, T8N-3Z8
Phone: 780-460-8433

don.burgess@dwg-process-supply.com

 

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