Controlled Atmosphere Cold Storage Rooms

Controlled Atmosphere Cold Storage for Fruit and Vegetables

Controlled atmosphere cold storage lets fruit and vegetable operators keep their products fresh for longer and minimise storage losses. Fruit and vegetables continue to develop after harvest. In these rooms oxygen is lowered and carbon dioxide is kept at a set level, so the ageing of the product slows down without any chemicals.

How a Controlled Atmosphere Room Works

The room is brought to the right temperature for the type of product.
Oxygen (O₂) is reduced to negligible levels.
Ethylene (C₂H₄) and carbon dioxide (CO₂) are absorbed inside the room with absorbers.
Nitrogen (N) is supplied to the room by a nitrogen generator.
No harmful chemicals are given to the product or the environment during these steps.

How the Room Is Made Gas-Tight

Doors: Specially manufactured cold room doors
Panel joints: Insulated with special chemicals for full sealing
Floor and ceiling: Special sealing chemical applications, very different from normal cold rooms
Inspection windows: Fitted to the door, wall or ceiling on request, so the product can be monitored

Benefits

Storage time of apple, pomegranate, grape, pear and kiwi increases 2–3 times
Product freshness is preserved and storage losses are minimised
Helps prevent the reproduction and spread of diseases and bacteria
Producers can market their product when it finds the best price

What Frigo System Offers

We offer complete solutions with insulation, ultrasonic humidification devices and appropriate humidity sensors. Our ultrasonic humidifiers produce droplets smaller than 1 micron, and the cold mist does not affect the efficiency of the refrigeration system.

See also our fruit and vegetable storage and banana ripening room solutions.

Frequently Asked Questions

What is controlled atmosphere cold storage?
A fully sealed cold store where oxygen is lowered and carbon dioxide is kept at a set level, which slows the ageing of fruit and vegetables.

Which products is it used for?
In particular, it increases the storage time of apple, pomegranate, grape, pear and kiwi 2–3 times.

Are chemicals used?
No harmful chemicals are given to the product or the environment.

How is the product monitored?
Inspection windows can be fitted to the door, wall or ceiling on request.