News | December 16, 2013

Kruger Presents ANITA™ Mox MBBR In Chicago: The First Of Its Kind

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Kruger Inc., a subsidiary of Veolia Water Solutions & Technologies, has been awarded a contract by the Metropolitan Water Reclamation District of Greater Chicago (MWRD) to install the first ANITA™ Mox Moving Bed Biofilm Reactor (MBBR) system in Illinois. The MWRD’s Egan Water Reclamation Plant (WRP) currently dewaters the biosolids from both the Egan and Kirie WRPs which produces a centrate stream with high ammonia concentrations. The centrate is then pumped to a gravity sewer, comingled with combined sewage, and then treated at the O’Brien WRP in Skokie, IL, 20 miles away.  The transport of the centrate stream creates problems such as potent odors and heavy corrosion in the MWRD’s collection system and is a significant ammonia load to the O’Brien WRP. The ANITA™ Mox system will allow this centrate stream to be treated at the Egan WRP and greatly reduce costs.

After a thorough evaluation, Kruger’s ANITA™ Mox process was selected because it is robust, stable and has a simple flow-through operation. As a MBBR process, it eliminates the need for additional solids management and is a more forgiving process when it comes to pH control. With a large percentage of the nitrogen removed, the ANITA™ Mox effluent also can be returned to the mainstream treatment process at Egan. This system provides the MWRD an ideal solution to efficiently treat their waste streams while simultaneously lowering their operating costs.

The ANITA™ Mox system is guaranteed to remove 75% of the ammonia and 65% of the total nitrogen in this side stream flow and will use 60% less oxygen than the current conventional treatment for nitrogen removal.  In addition, it produces 80% to 90% less sludge than conventional treatment methods.  Significant cost savings in these two areas, in addition to the savings generated by eliminating the need to pump the centrate stream off-site, will provide the MWRD great overall value that will significantly reduce secondary costs. 

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About Kruger Inc.
Kruger Inc., supplies solutions and technologies for wastewater and drinking water treatment. Through years of extensive research and development, Kruger provides integrated solutions that optimize energy and operating costs. Kruger is a Veolia Water Solutions & Technologies company.

About Veolia Water Solutions & Technologies
Veolia Water Solutions & Technologies is the Veolia Water subsidiary specialized in technological solutions and design and build projects for water and wastewater treatment, serving industrial and municipal clients. Veolia Water Solutions & Technologies recorded revenue of $3.1B in 2012. For more information, visit and

About Veolia Water
Veolia Water, the water division of Veolia Environnement, is the world leader in water and wastewater services. Specialized in outsourcing services for municipal authorities, as well as industrial and service companies, it is also one of the world’s major designers of technological solutions and constructor of facilities needed in water and wastewater services. With 89,094 employees, Veolia Water provides water service to 100 million people and wastewater service to 71 million. Its 2012 revenue amounted to $15.9B. For more information, visit and

SOURCE: Veolia Water Solutions & Technologies

Veolia Water Solutions & Technologies