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Chemical precipitation to form magnesium ammonium phosphate (MAP) is an effective technology for recovering ammonium nitrogen (NH 4+ -N). In the present research, we investigated the thermodynamic modeling of the PHREEQC program for NH 4+ -N recovery to evaluate the effect of reaction factors on MAP precipitation. The case study of NH 4+ -N recovery from coking...
Ammonium nitrogen removal from wastewater has been of considerable concern for several decades. In the present research, we examined chemical precipitation recycle technology (CPRT) for ammonium nitrogen removal from coking wastewater. The pyrolysate resulting from magnesium ammonium phosphate (MAP) pyrogenation in sodium hydroxide (NaOH) solution was recycled for ammonium nitrogen removal from coking...
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