eli5: Why is co2 the gas used to pressurize drinks. Why can’t something like nitrogen or atmosphere air be used.
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Some people are forgetting that ethanol plants make tonnes of CO2 as a byproduct.
Worked for a company ( Air Products ) that refined/purified the CO2 for use in beverages for carbonation. It’s abundance and lack of all most all flavor/smells makes it an easy choice. It is also very easy to transport, storage , and it’s temperature range has many other food industry benefits ( dry ice , very effective for meat freezing are the bigger ones. Slaughter houses were our biggest customers in Iowa and Nebraska )
Something I didn’t know, is we’d deliver liquid CO2 water treatment plants. They’d inject a bit of it into the water supply for a reason I never looked up
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