Carbon Dioxide in Food and Beverage Applications: Purity and Maintenance Protocols

Carbon dioxide is principally sold in the developed markets to the food and beverage industries; ‘food grade’ standards and somewhat vague at times; however beverage applications demand strict quality standards. CO2 specifications for food related service, as I have observed over the years, has a range of standards. On the subject of food specifications, whether this is dry ice, or liquid applied via cryogenic freezers, or flashed into snow for grinding and blending, and even modified Atmosphere Packaging (MAP); the specifications, from production plant to the point of application are in most cases, much less defined than beverage service definitions…