The industrial gases play an important role in improving the quality of products in food supply chain system. The gases assist carbonation, hydrogenation, flash-freezing, and other exotic applications. This sector, where quality is major driver, uses nitrogen and carbon dioxide for various processes. Very often free oxygen is a major culprit in food spoilage which provides good basis for bacterial growth. The most effective way to prevent oxygen damage is to remove and replace the oxygen by nitrogen which doesn’t react with food like oxygen does and thus foods stay fresher longer without impacting flavour or texture and protect the delicacy. The beverages industry uses nitrogen in packaging of carbonated or still beverages, beer, wine, juice drinks, tea, bottled water etc. Nitrogen is injected precisely into each container at a predetermined rate which pressurizes the container adding to its rigidity as well as assisting in keeping CO2 dissolved by creating pressure.
Airgases Projects can provide custom designed Nitrogen generators based on cryogenic technology which can produce both liquid and gaseous high purity nitrogen required for various applications. Alternatively we can also provide Nitrogen plants based on PSA/ membrane technology where volume of gases required is rather low and high purity nitrogen is not required. We can also offer cryogenic liquid storage, pumping and vaporisation ( SPV) systems where liquid nitrogen and liquid CO2 is purchased from external sources. The liquid thus purchased is stored in special cryogenic storage tanks and used by customer. Wherever gaseous nitrogen is required then the liquid is pumped to required pressure or directly supplied through pressurised tank and vaporised to near ambient temperature before being used by customer for its applications.
Some application examples:
Nitrogen application in inerting and purging used
Nitrogen application for cooling, preserving and deep freezing
Carbon Dioxide,
Based on information such as bag volume, product volume and packing speed and our specialists can calculate optimum nitrogen consumption and advice on system required. To beverages industry we can undertake a detailed simulation and analysis of the overall nitrogen consumption profile, including peak consumptions, to work out appropriate solution which is most cost effective.
