Nitrogen (N₂), constitutes the main part of the earth's atmosphere, accounting for 78.08% of the total. It is a colorless, odorless, tasteless, non-toxic and almost completely inert gas, suffocating in high concentrations. Nitrogen can be produced in large quantities in air separation plants. If there is a higher requirement for nitrogen purity, a second step of purification is required. Pressure swing adsorption (PSA) technology is suitable for medium to high purity.

Since the German scientist Karl von Linde successfully separated nitrogen and oxygen by rectifying air in 1902, nitrogen has been used in a wide range of industrial fields. The low boiling point and low reactivity of -196°C make this colorless, odorless and tasteless gas popular in a wide range of industrial applications. The separation principle of air liquefied is that different air components have different boiling points. During countercurrent flow, nitrogen is formed as the gas rises and oxygen is formed as the liquid falls. This means that gaseous nitrogen accumulates at the top of the column where the temperature is lower, while liquid oxygen accumulates at the bottom of the column where the temperature is higher.

In the semiconductor industry, nitrogen is used in large quantities as a purge and carrier gas. In electronics, nitrogen is used as an inert in epitaxial growth furnaces. It can also be used as carrier gas, zero calibration gas and balance gas in laboratory analysis. Other common applications include heat treatment, ammonia production, fire suppression in mines, tire filling, shrink fit and cold traps, where nitrogen can help improve vacuum efficiency.

We offer a wide range of gas cylinders, generators and field solutions to meet a wide range of capacity and purity requirements.

Application of nitrogen:
l Welding protection Shield gas for welding
l Tire curing
l Concrete cooling
l Organic waste gas recovery technology in waste gas treatment CIRRUS
l Low temperature reactor technology in the pharmaceutical industry CUMULUS
l Pre-cooling and purging of pipelines in the newly built LNG terminal
l Food Freezing
l Food Chilling for Molding (Bottom Injection)
l LIN Dosing Pressurization for Beverages
l Food Transportation Chilling
l Food Cryogenic Grinding
l Food Inerting
l Food Processing Purging
l Edible Oil Sparging for Deoxidation
l Heat treatment carburizing, quenching, normalizing, tempering Carboflex
l Heat treatment annealing, brazing Hydroflex
l Heat treatment powder metallurgy Sinterflex
l Heat treatment and cryogenic Cryoflex
l Heat-treated electronic packaging Solderflex
l Heat-treated aluminum casting, aluminum extrusion