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Nitrogen

 

Nitrogen makes up about 78% of the atmospheric volume on earth.

Nitrogen (N2) is at room temperature a transparent and odorless gas. Many industrially important compounds, such as ammonia, nitric acid, and cyanides contain nitrogen. Nitrogen is used in fertilizers, in glues, in medicine production, in energy stores, and quite broadly in many industrial applications.

Nitrogen in gas form is often used as an inert gas, for the replacement of air where oxidation is undesirable. When bunkering LNG nitrogen is used to pre-cool the lines (cold gas use) and to displace any air in the pipeline /bunker hose. In food packaging it is mixed with CO2, in light bulbs, in photolithography, in the production of SST, even to have strongly inflated car tires (you can recognize them with the green caps in the tires.

Nitrogen application

In the production of oil & gas, nitrogen is one of the most commonly used gases. The extremely strong triple bond in elemental nitrogen (N≡N) makes it so interesting for applications, such as Enhanced Oil Recovery (EOR), immiscible oil displacement, fracking, coil tubing, in fire suppression, for tank blanketing, for the recovery of Natural Gas Liquids (NGLs), and as a carrier gas.

Nitrogen is either supplied in cylinders or generated on site, depending mostly on the location and quantity needed (what is cheaper, what is feasible). Independent of each other, most nitrogen is supplied in cylinders. The cylinders hold 200-300bar. The cylinder connection according to DIN477 is 10. GCE druva has a full line of regulators to fulfil any application need - from cylinder regulators to inline regulators. Also for tank blanketing a regulator solution is at hand. And via a wireless WIKA gauge, it can become a crucial part to manage any tank spill (rollover management).

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