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Food cryogenics offers unparalleled cooling power. This process is essential if you want to preserve the initial taste and nutritional qualities of food, improve its manufacturing process or transport at a controlled temperature. This technique is suitable for all types of food, from the most fragile to the most exotic.

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Quality

Perfect results in record time: Cooling or cryogenic freezing takes place particularly quickly, perfectly preserving the taste and the freshness of food.

CRYOGENIC TUNNEL EASY LOAD MULTIPASS - EZ1 M

Flexibility

Multifunctional and compact: the same cryogenic equipment can cool, freeze and harden a surface, thus ensuring optimal flexibility of your production line.

Productivity

Food grade cryogenics allows continuous adjustment of cooling capacity, reduced water loss and up to 10 times faster product processing time. You can run your equipment continuously at the nominal flow rate, while perfectly preserving your product quality.

Performance

Save time: Combine cryogenic refrigeration with mechanical refrigeration for even faster cooling and freezing.

Freezing and Chilling

Cryogenic food freezing (cryo preserve) offers you the opportunity to optimise your process, quick freezing your IQF foods (also known as individually quick freezing), thanks to the iqf technology, cooling capacity and very low temperatures of cryogenic liquids. And we offer food grade N₂ and CO₂ to meet current food safety requirements and regulations.

Temperature Control

Nexelia for Temperature Control is an all-in-one gas solution that combines the best of Air Liquide’s ALIGAL™ gases, application equipment, and technical support service along with a customized Performance Monitoring Service program for the optimisation of your cryogenic process. This offer has been designed for those food manufacture that need to achieve a competitive chilling cost for their food processing and products. With Nexelia™, we define the results together and then commit to delivering on our performance.

Temperature control at every stage of the manufacturing process

In addition to maintaining product quality, refrigeration and temperature control operations make it possible to optimise industrial processes and handle complex products.

Operation	Role of the cryogenic process	Examples
Hash	Compensate for heat input due to mechanical effects in mixers, mincers, cutters, etc.	Meat, processed poultry.
Grinding	Control the particle size of the powders and reduce clogging of the grinders.	Spices, fats, vegetables seeds.
Slicing	Freezing of soft products to obtain a clean and fine slice	Fish, ham, creamy biscuits and terrines
Grating	Control the temperature when grating or cutting products in to cubes. Avoid caking and condensation phenomena inside the bags.	Grated or diced cheese.
Kneading	Compensate for heat input due to mechanical effects in the mixers.	Bakery products, fresh pasta.
Mixing	Ensure the homogenity of the mixtures Limit microbiological development.	Processed meats and poultry
Forming	Shape retention by hardening a surface	Ice creams, extruded vegetable proteins.
Coating	Limitation of the phenomena of diffusion of coating components towards the product	Fried meat or vegetables.
Heat treatment	Cooling of the product before packaging to save time and/or space on the production line	Cooked meals, vegetable proteins. Cakes, pastries and baked goods.
Dosage	Control the flow of products without sticking or caking	Mix of vegetables, powders, ingredients.

Case Study: IQF Cooked, Sliced Poultry Products

Optimise the temperature control process to achieve a LIN consumption objective of 0.5 kg/kg in a new mixer for blending poultry meat for forming chicken nuggets.

Performance Monitoring Service	Issues	Optimisation
Recipe Set-up	Operators were manually changing the chilling parameters- no records	Set up chilling recipes for each product for operational consistency.
Training	Minimal Safety & Operator Training without any documentation	Customized Safety & Operational Training of operators on the cryogenic injection system.
Process Audit	Changes made to original operating parameters without documentation	Reviewed process and made recommendations to improve chilling time.
Gas Installation & Application Audit	Issues with performance of exhaust system design and reliability of cryogenic valve	Recommendations provided for an improved exhaust system set-up and a more reliable cryogenic proportional valve-documented.
Gas Consumption Optimization	Gas consumption higher than original objective	Cryogen injection sequence optimised to reduce gas consumption.
Follow-up Review	No regular reviews	Review of consumption objective planned annually.

Cold Chain Transportation

Cryogenic liquids, CO₂ (often referred to as dry ice) and nitrogen are comparable sources of cold used in controlled atmosphere storage, for deliveries such as vaccine and clinical sample transport. They guarantee the freshness and hygienic quality of the transported products during cold chain logistics or transportation without being dependent on an electrical source, regardless of the mode of transport."

Optimised operating costs

Cryogenic solutions offer an incomparable cold power to weight ratio; you can therefore increase the net payload of your vehicles and their rate of use.

Cryogenics does not necessarily require a refrigerated truck, you can exploit your traditional distribution network and access new markets without specific investment.

Let us assess the best product for your operations

Our experts will help you choose the right gas for your food processing or pharmaceutical operations and give you advice on the use of related equipment. In this way, it is possible to consistently preserve high-quality products in complete safety.

Related Equipment

To support the diversification of the offer in the agri-food sector, Air Liquide has developed innovative cryogenic solutions for freezing all types of food, both solid and liquid.

CRYO INJECTOR-CB3

Faster, more homogenous chilling,
Improved cryogen efficiency by up to 50% over top injection.
Easy retrofit onto many types of food processing equipment.

CRYO TUNNEL

The Cryo Tunnel series is the ideal solution for the freezing, crust freezing and hardening of any type of food product — even fragile, soft or sticky products — while ensuring exceptional product quality. Enquire with us to find the most ideal option that can help you increase productivity, improve clean-ability plus ease of operation and maintenance, with a minimal capital investment and installation cost.