Can H2O2 remove ammonia from wastewater?


Date Created: 10/21/2009

Last Updated: 08/21/2013

Generally no. The ammonium ion is extremely resistant to any common oxidant except active halogens (chlorine, bromine, iodine). While free radical oxidation of undissociated NH3 is possible (using catalytic H2O2), the high pH required is such that the primary removal mechanism is volatilization. Methods typically used for ammonia removal include: biological nitrification/denitrification, air stripping (at high pH), adsorption onto selective ion exchange resins or clinolite (a natural mineral), or super-chlorination.

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