Reduced carbon footprint
How does Cryotech work?
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The refrigerant chosen for the CryoTech system, liquid carbon dioxide (CO2 or R-744), is sourced from recycled waste gas captured during the production of fertiliser, bio-ethanol and other chemical compounds. It is commonly used for carbonating soft drinks, food processing and water treatment.
Because this refrigerant is a by-product that would otherwise be released into the atmosphere, there is no cumulative global warming effect caused by its use in a CryoTech system. Small amounts of greenhouse gases are created due to the consumption of electricity during the liquefaction of carbon dioxide, but this is significantly less than for similar systems running on nitrogen or indeed in the refining and use of conventional fossil fuels.
The total carbon footprint for the use of a CryoTech system is 75% less than a conventional diesel system and 68% less than a nitrogen cryogenic system.