A nitrogen gas purifier improves the purification level in gas supplies. While nitrogen gas supplies may initially have possessed a superior purification level, they can decline due to contaminants introduced unintentionally.
This blog post explains what a nitrogen gas purifier is, its importance for nitrogen users, different types, important considerations, benefits, maintenance, and best practices.
Understanding Nitrogen Gas Purifiers
While Nitrogen (N2) purity typically meets specifications from a supplier or when produced in-house, it does not necessarily remain at that level. Contaminants, such as metal or rust inside pipework or exposure to H2O, measurably alter the nitrogen gas.
Why does this matter? Nitrogen must meet strict purity standards set by individual industries. This applies whether the gas will be deployed for pressure testing, blanketing, electronic soldering, or pharmaceutical manufacturing.
Definition
A nitrogen gas purifier removes impurities from nitrogen gas supplies. When used appropriately, it can help to increase purity to the desired level.
Ultra-high and higher-than-normal purity levels apply to specific industries. Some industries can use nitrogen with a 95% purity level, while others cannot.
Applications and industries such as laser cutting, medicine production, injection moulding, and food processing (fruit storage, wine blanketing, and oil sparging) require 99% or as high as 99.999% purity levels.
Functionality
Purification systems use a purifier module or other approaches to remove contaminants from the gas supply.
Equipment makes use of adsorption and catalytic methodologies to achieve the desired results.
The more common types of contaminants removed are:
Hydrocarbons
Helium
Oxygen
Moisture
Trace metals
Gas purification is often performed at room temperature. However, applying heat can enhance performance.
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