As a sommelier and brewer, I have had the opportunity to work with both beverage grade CO2 and regular CO2 in my career. While regular CO2 can be used for various industrial purposes, beverage grade CO2 is specifically produced and handled with the highest level of quality control to ensure its suitability for use in the food and beverage industry.
Purity: One of the primary differences between beverage grade CO2 and regular CO2 is the level of purity. Beverage grade CO2 undergoes a rigorous purification process to remove impurities and contaminants, ensuring that it meets the strict purity standards required for use in the food and beverage industry. Regular CO2, on the other hand, may contain impurities that are not suitable for consumption.
Quality Control: Beverage grade CO2 is subject to stringent quality control measures throughout the production and handling process. This includes regular testing and analysis to ensure that it meets the required standards for odor, taste, and purity. Regular CO2, which is often used for industrial purposes, may not undergo the same level of quality control.
Handling and Storage: Due to its use in the food and beverage industry, beverage grade CO2 requires strict handling and storage procedures to maintain its quality and purity. It is typically stored in dedicated tanks or cylinders, separate from regular CO2, to prevent cross-contamination. Special care is taken to avoid contact with substances that could affect its quality, such as oils or lubricants. Regular CO2, on the other hand, may be stored and handled in a less controlled environment.
Suitability for Consumption: Beverage grade CO2 is specifically produced to be safe for consumption. It is free from impurities that could potentially affect the taste or quality of beverages. Regular CO2, which may come from various sources and production methods, may not be suitable for consumption and can potentially impact the flavor and quality of beverages.
In my experience, working with beverage grade CO2 has always been essential in maintaining the integrity and quality of the beverages I serve. The level of purity and the strict quality control measures ensure that the CO2 does not introduce any unwanted flavors or contaminants into the final product. It provides a consistent and reliable source of carbonation, allowing me to create the desired effervescence in sparkling wines, beers, and other carbonated beverages.
To summarize, the primary difference between beverage grade CO2 and regular CO2 lies in the level of purity, quality control, and the strict handling and storage procedures required for beverage grade CO2 to ensure its suitability for use in the food and beverage industry.