Nutrient Removal

Helping industrial and municpal wastewater treatment plants remove nutrients and protect the environment

Veolia is committed to the protection of natural streams and reservoirs. By tailoring our technology to your unique treatment needs, Veolia can help ensure compliance with environmental guidelines for wastewater nutrients.

Nutrient removal requirements are continually becoming more strict. As a result, municipal and industrial organizations are implementing technologies in order to meet discharge requirements for nitrogen and phosphorus.


The Importance of Nutrient Removal

  • Environmental: When untreated wastewater is returned to the environment, catastrophic damage can be done through the introduction of excess nutrients. Nitrogen and phosphorus are especially hazardous as they encourage algal bloom, a severe overgrowth of algae that can threaten to deoxygenate aquatic environments, block vital sunlight,  and kill off fish in massive quantities. Additionally, there is a risk of having a negative impact on aquatic life (i.e. Ammonia levels).
  • Human Health: It is widely believed by experts that excessive nutrients in the environment can cause health risks to humans, as well.

Sources of Nutrients in Wastewater Streams

  • Residual nutrients from industrial production (product / supplemental ingredients) 
  • Cleaning Chemicals and/or Detergents using Phosphate
  • Nutrients Inherent to All Other Organics
  • Run-off from agriculture

There are a variety of available technologies to remove nutrients from wastewater streams

  • Biologically:
    Various biological wastewater treatment systems are used to remove nutrients. Specific strains of bacteria/micro-organisms can target specific nutrient compounds and safely neutralize them. 

  • Physically - Chemically:
    Clarification, flotation, and filtration technologies paired with chemical additives can effectively remove nutrients prior to discharge. These compounds are then settled, floated, or filtered out of the wastewater stream. Additionally, there are technologies that can transform nutrients into a by-product, such as struvite. 
     
  • Ion Exchange: 
    Media/resins can recover and precipitate nutrients.
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Biological nutrient removal technology to treat for high concentrations of ammonia.
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