Across your entire production chain, you can rely on Linde engineers to work with you and find the gases and applications that meet your quality and traceability needs.

Increasing productivity and quality with carbon dioxide

Carbon dioxide is the most frequently used industrial gas in the beverages industry. It is dissolved in drinks to create the well-known 'fizz' effect.

We deliver food-grade carbon dioxide sourced from both natural wells and industrial facilities that complies with all relevant food guidelines.

During carbonation, carbon dioxide is added to the liquid in a carbonator, where vaporised carbon dioxide is mixed under pressure with temperature-controlled water. Syrup, sweetener and other ingredients are then added to create the final product.

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Liquid Nitrogen Dosing
Increasing the strength of bottles with liquid nitrogen

Manufacturers of non-carbonated beverages (water, juices, teas, etc.) generally rely on PET (polyethylene terephthalate) to make their drinks bottles. Over the past 20 years, plastic bottles have become thinner in line with environmental and cost pressures. However, doing so has reduced the weight of PET polymers in the bottles, resulting in thinner, weaker bottle walls.

After filling, bottles must be stacked so they can be transported to customers. With thinner walls, weak bottles at the bottom of a pallet buckle under the weight of the bottles above, creating unsafe conditions and costly product losses.

This problem can be avoided by pressurizing the bottles. Nitrogen is the perfect medium because it is available in liquid form. When liquid nitrogen vaporizes, it expands to 682 times its liquid volume. In addition, it is inert – thus protecting the drink against oxidation, which can lead to drink spoilage and lost revenues.

We supply the liquid nitrogen (LIN) needed for the LIN dosing systems commonly used in bottling facilities. These systems add a droplet of liquid nitrogen and trap it by immediately capping the bottle. The trapped droplet expands as it vaporizes and increases the internal pressure. The pressure increase ‘rigidifies’ the bottle, making it robust enough to stack.

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