WWW Anammox Nitrogen Removal

Anammox treatment provides for cost effective total nitrogen removal via deammonification. The system utilizes granular anaerobic ammonium oxidizing bacteria (anammox) for reduction of high strength ammonia using a fraction of the energy required by conventional means and zero carbon source. Waste streams generated from dewatered anaerobically digested municipal sludge or waste to energy facilities and leachate from landfills are perfect applications for the World Water Works’ DEMON® technology and solves the problem of returning high concentrations (> 250 mg/L) of ammonia to the plant influent.  The true key to the success of the technology is the patented advanced biological process controls and the physical separation used to facilitate the growth and retention of the anammox bacteria.  Unlike the traditional nitrification-denitrification method for removing nitrogen, which requires large amounts of energy (1.8-2.7 KW-hr/lb. nitrogen removed), alkalinity and external carbon addition, the WWW Anammox process uses ammonia oxidizing bacteria (AOB) and annamox to efficiently and reliably remove ammonia from wastewater. The system operates under intermittent aeration with typical operational dissolved oxygen levels range from 0.3-0.5 mg/L. The system is completely automated which provides great system resilience and minimizes operator oversight.  Partial nitritation/deammonification represents a shortcut of the traditional process of nitrogen removal. The two-step process includes the partial nitritation of ammonia and the subsequent anaerobic oxidation of the residual ammonia and nitrite to nitrogen gas by annamox bacteria. Deammonification represents the most cost effective upgrade a facility can take when looking at reducing the recycled nitrogen loads from their anaerobic digestors.