Applications of Food-Grade CO₂ Cylinders in Home Use

1. Use in Carbonated Beverages and Draft Beer

Food-grade carbon dioxide (CO₂) is essential for creating carbonated beverages. It is used to infuse drinks with CO₂ under controlled conditions, giving them their characteristic fizz. As a key component in soft drinks (non-alcoholic beverages), carbonated beverages can be classified into several categories, including:

l Juice-based carbonated drinks

l Fruit-flavored carbonated drinks

l Cola-based carbonated drinks

l Low-calorie carbonated drinks

l Other carbonated beverages

Additionally, CO₂ cylinders are widely used for home draft beer systems, ensuring that beer remains fresh, properly carbonated, and smooth when dispensed.

2. Application in Food Refrigeration and Freezing

Solid carbon dioxide, commonly known as dry ice, serves as an efficient cooling agent. Compared to regular ice, dry ice can reach much lower temperatures—down to -78°C—without leaving any liquid residue, as it sublimates directly into gas. This makes it particularly useful for:

l Preserving perishable foods such as fish, meat, fruits, and vegetables.

l Quick-freezing and long-term food storage, including aviation meals and frozen foods.

l Short- and long-distance refrigerated transportation without the risk of water contamination.

However, due to its relatively high cost, dry ice-based freezing is primarily used in specialized applications rather than everyday household refrigeration.

With the versatility of food-grade CO₂ cylinders, they offer convenient solutions for carbonating beverages at home and preserving food effectively.