Introduction
As New Zealand’s wastewater regulations change and nutrient discharge limits become more stringent, the NZ industry has adapted to this change by implementing newer technologies and intensification processes such as Membrane Aerated Biofilm Reactor (MABR), densification via inDENSE®, mobile carriers, etc. However, noticeably absent from the New Zealand wastewater industry are anammox based nitrogen removal processes which “shortcut” the nitrogen removal process. Despite the discovery of anammox bacteria in 1995, and the first full scale anammox processes being constructed and commissioned in 2002 (Driessen et al, 2012)., this technology is yet to be adopted in New Zealand.
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