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Blanketing is the act of maintaining an inert atmosphere of nitrogen gas (N2) during storage and processing.
Blanketing with nitrogen is safe and dependable in maintaining a constant protective layer of gas on top of a work substance.
Humid air in the head space is replaced by high-purity, inert, and completely dry nitrogen. A precise valve control system ensures that as the tank is filled or emptied. The nitrogen content automatically adjusts to maintain the protective blanket.
Blanketing results in process reliability and protection from food degradation through oxidation.
Purging involves the addition of a gas (usually nitrogen) to displace atmospheric gases with an inert atmosphere.
Inerting is used to reduce and inhibit undesirable food chemical reactions with oxygen.
Besides nitrogen, carbon dioxide and argon are also used.
Sparging involves nitrogen being bubbled through or dissolved into an oil, to force out oxygen or any other gases dissolved in it. These are gases that can eventually replace the atmosphere above it and lead to product degradation or unsafe conditions.
Sparging offers excellent control and does not introduce any other substance into the liquid.
Sparging with nitrogen is fast and effective and can be easily introduced to the process environment.