Loulo Ammonia Scrubber Project

Barrick

  • Client:
    BARRICK
  • Location:
    Mali
  • Classification:
    Design & Supply
  • Key Project Data:
    Ammonia Wet Scrubber
    Scrubbing Liquor: Sulfuric Acid H2SO4
    Pollutant: Ammonia Gas
    Reaction: Ammonium Sulfate (Fertilizer)
  • Date:
    2020


Loulo Ammonia Scrubber Project

Plant Upgrade, Mali

The ammonia scrubber is sized to extract 26 400 AmĀ³/hr from the plant. The ammonia gas is collected in an acidic sulfuric acid solution, where the ammonia reacts to form ammonium sulfate with a very low vapour pressure, reducing the ammonia gas concentration in the off gas to below environmental emissions limits. The ammonium sulfate solution can be sold or used as a fertilizer.

Services


AZMET was appointed for the design and supply of the Ammonia Wet Scrubber system. The scope of work included the following:

    Wet packed scrubber
    Scrubbing liquid distributor
    Demister pad
    Packing
    Extraction system (Fully automated)
    Recirculation system
    H2SO4 dosing system (Fully automated)
    Spent acid transfer
    Ducting from EW Cells to Scrubber
    Exhaust stack
    Valves
    Instrumentation
    MCC