Ammonia stripping (2)

  • Fertilizer production:
    • Sulphuric acid ammonium sulphate
    • Phosphoric acid mono-ammonium phosphate (MAP) or di-ammonium phosphate (DAP)
    • Hydrochloric acid Ammonium chloride
    • Nitric acid Ammonium nitrate
  • Simple operation, unaffected by toxic compounds
  • Energy cost, chemical cost, no removal of nitrite or organic nitrogen
ammonia21 image
Source: Palakodeti et al., 2021, https://www.sciencedirect.com/science/article/abs/pii/S1364032121001969

Different stripping column designs: a) Packed bed column, b) Bubble aeration column, c) Wet-walled column and d) Thermal stripping.