Making Ice Cream from CO2

We have already written about hand sanitizer made from CO2 in NYC. With summer just around the corner, ice cream is another product which can be made with the help of carbon dioxide.

Scientists at Cornell University, USA have developed a method that uses carbon dioxide to make ice cream. Five years after the patent was applied for, it is now officially recognized. During the process, a sweet syrup mixture is added to the machine, which is also the basis in conventional production processes. Liquid CO2 is injected into a closed container via a spray nozzle and a pressure drop is generated. This results in an immediate freezing of the liquid. This method could also make the supply chains for refrigerated goods simpler and more energy-efficient.

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