Press Release: Wastewater Leader Nexom Acquires Entex BioPortz MBBR Technology

WINNIPEG, Manitoba – Nexom CEO Tom Pokorsky today announced the successful acquisition of BioPortz™ Moving Bed Biofilm Reactor (MBBR) system from Entex Technologies, Inc. The acquisition will allow Nexom, a leading provider of wastewater processing technologies, to broaden its biological treatment portfolio in support of its diverse, growing customer base.

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Lagoon Upgrade Meets Ammonia Limits

The City of Walker is located in Linn County, Iowa. The  City’s wastewater treatment facility consisted of a two-cell, non-aerated, controlled discharge lagoon. The lagoons were permitted to discharge every 180 days during the spring and fall. However, the plant had reached maximum hydraulic capacity, and was required to discharge more frequently than allowed by their permit, due to lack of available storage. Read more...

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Lagoon Based Wastewater Treatment Process Provides Nitrification in Glencoe, Ontario

The Southwest Middlesex wastewater treatment facility in Glencoe, Ontario, was constructed in 1974-1975, with a rated capacity of 946 m3/day. This system comprised two facultative lagoons operating in parallel, with discharge into the nearby Newbiggen Creek in early spring and late fall. As of 2005, data showed that the facility was operating at maximum hydraulic capacity. Read more...

 

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Nutrient removal: Are lagoons still a viable wastewater treatment option?

Lagoons have been a viable wastewater treatment option for many decades. Many lagoon facilities were constructed in the 1960s and early 1970s with a 20 to 30 year capacity for future growth. Facultative lagoons (stabilization ponds) were the treatment system of choice for most small to medium sized towns and cities. In many cases, mechanical treatment plants were not a viable option considering the high capital and operational costs in addition to minimal regulated treatment requirements. Read more...

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