Biological Treatment

Veolia offers biological solutions to help systems comply with nitrogen and phosphorus limits that are compact, robust, resource efficient, and easy-to-operate. From basic nitrification to enhanced nutrient removal, Veolia has the most comprehensive line of innovative biological treatment solutions, including fixed film, activated sludge, and membrane treatment processes. 

MBBR and IFAS Offerings

Field's Point WWTF IFAS Nitrification

AnoxKaldnes is the global leader in Moving Bed Bioreactor ( MBBR ) and Integrated Fixed Film Activated Sludge ( IFAS ) technologies with more than 1000 references worldwide. K5 media is used to collect biofilm, reducing required footprint and allowing for future facility expansion without additional construction.

Deammonification MBBR and IFAS Process

K5 Media for Ammonia Removal

ANITA™ Mox is a robust, single-stage nitrogen and ammonia removal process with low carbon footprint. This activated sludge process is based on the MBBR or IFAS platform utilizing K5 media to cultivate anammox enriched biomass for mainstream and sidestream deammonification applications. The ANITA™ Mox process is specially developed for treatment of streams highly loaded in ammonia, such as effluents from anaerobic treatment, drying condensates, centrates, industrial wastewaters, and landfill leachates.

Biologically Active Filter ( BAF ) Technologies

Syracuse, NY Tertiary Nitrification System

BIOSTYR® is a biological aerated filter ( BAF ) that combines biological treatment and tertiary filtration into one compact biological filter system. BIOSTYR DUO adds a second media layer for increased carbon, solids and nitrogen loading capabilities. With over 160 installations throughout the world, BIOSTYR is proven to be an exceptional technology for BOD removal, nitrification, denitrification and solids removal, with improved energy efficiency and 20% of the footprint of conventional activated sludge technologies.

Immersed Membrane Bioreactor System

West End Development, Bermuda MBR System

NEOSEP® is a Membrane Bioreactor ( MBR ) system that offers the smallest footprint and lowest energy use on the market today with the incorporation of the FibrePlate™ membrane. FibrePlate™ is a hybrid of hollow fiber and flat plate technologies that retains the strengths while eliminating the weaknesses of conventional MBR membrane technologies. The NEOSEP membrane bioreactor can provide BOD removal, nitrification, denitrification, and enhanced phosphorus removal in many applications including industrial and municipal water reuse.

Activated Sludge Technologies

Oxidation Ditch

We offer a wide range of solutions for activated sludge treatment providing our clients guaranteed total process performance with a single point of responsibility. The core offerings in our Activated Sludge Systems are based on Phased Isolation Ditch technology, or Phased Isolation Technology. Phased Isolation Technology is a type of continuous flow activated sludge process, used in our Bio-Denitro Oxidation Ditch system, wherein one or more reactors alternate between oxic and anoxic phases. Alternating phases are controlled by a timed sequence or online nutrient monitoring. These systems offer very efficient enhanced nutrient removal without multiple reactor zones or MLSS recycle loops. 

High Purity Oxygen System

OASES® is an oxygen-activated sludge process for secondary treatment of wastewater. It is an automated, safe, and efficient oxygen-activated sludge treatment system for upgrading or retrofitting treatment facilities existing pure oxygen systems. 

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