Biological treatment is probably the most effective for removal of multiple contaminants cost effectively (typically very low OPEX) and is an environmentally friendly approach for ammonia removal. Breakpoint consumes large amounts of chlorine mainly due to additional reduced compounds present in the water that consume chlorine (organics, or Fe, for example). Ion exchange is simple but requires pre-treatment and becomes costly in the presence of other contaminants (hardness, Fe, Mn, BOD). If this is a drinking water application there is a risk of DBP generation and challenge controlling chlorine residual. Any conventional WWTP treats ammonia by nitrification. For polishing purposes of treated effluent (Permit requirements?) or for treating groundwater,  our biological solution, NoMonia, reduces ammonia and other contaminants  to non-detected levels without use of chemicals.  https://www.linkedin.com/in/ronit-erlitzki-phd-b906535/

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Biological treatment is probably the most effective for removal of multiple contaminants cost effectively (typically very low OPEX) and is an environmentally friendly approach for ammonia removal. Breakpoint consumes large amounts of chlorine mainly due to additional reduced compounds present in the water that consume chlorine (organics, or Fe, for example). Ion exchange is simple but requires pre-treatment and becomes costly in the presence of other contaminants (hardness, Fe, Mn, BOD). If this is a drinking water application there is a risk of DBP generation and challenge controlling chlorine residual. Any conventional WWTP treats ammonia by nitrification. For polishing purposes of treated effluent (Permit requirements?) or for treating groundwater,  our biological solution, NoMonia, reduces ammonia and other contaminants  to non-detected levels without use of chemicals. 

https://www.linkedin.com/in/ronit-erlitzki-phd-b906535/