ATN Engineering B.V.

- Gas Treatment Plant Stage 3



No more expensive condensing of collected gas from refrigerant equipment stage one and two. With the ATN gas treatment plant you will be able to transform harmful gas into harmless salt and a little bit of CO2. That means a CO2 reduction of 50%, because there is no energy needed for a condensing unit and no CO2 is being produced during transport. Regardless whether the gas is flammable or not, the ATN gas treatment plant can handle it.

Also Nitrogen is not needed to inert the second stage shredder. This plant produces its own fire-extinguishing system.
ATN Gas Treatment Plant, creates the following benefits:

  • Reduce of operational costs
  • Reduce of maintenance costs
  • No more bills to pay for the external treatment of your collected gasses
  • More reliable refrigerator recycling plant

A simple calculation could show you the benefits of this system. The average cost in Europe for the external gas-treatment is € 4.00, an estimate of US $ 5.84 = per kg.

This means that a plant that has to recycle 150,000 fridges per year has to pay € 210,000, an estimate of US $306,600 = per year. Investing in ATN’s Gas Treatment Plant system can save your company the above amount of money each year.

The present situation is that the gas is going through the condensing system in order to be liquefied so you can transport it, and take it to an external gas treatment plant. This is not necessary when you have your own plant because the system can deal with the gas coming from the stage one and two in gas phase. This saves about € 900,000, an estimate of US $ 1,314,000 = on your total investment. A cooling system needs about 80% more energy for the condensation then the ATN Gas Treatment Plant needs for the reduction of the gas.

Just to give you an impression of what is happening inside the plant here are some formulas:

  • C4H10+7O2-> 4CO2+5H2O+ energy
  • C3H8+5O2 -> 3CO2+4H2O+ energy
  • 2NH3+4O2 -> 2NO +6H2O+ energy
  • HCFC+energy -> F- + CL- + H20+CO2

The Fluor and the Chlorine will be captured and treated in the gas scrubber and formed into harmless gasses and salt.

The total space needed for this plant is about 150 m² depending on the total layout. The input of gas will be monitored as well as the output. This means that you will always have the data of the amount of gas that is collected from stage 1 and 2, and the exact data on what the plant has released into the atmosphere and what is collected as salt.

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