Liquid nitrogen generator

A liquid nitrogen generator can break down and extricate nitrogen gas from oxygen. A liquid nitrogen producer has a cooler capable of transforming the extracted gas to liquid by bringing its temperature below the approximated evaporation point and storing it in a vacuum-heat insulated container. It boosts safety measures because the liquefied gas goes directly to storage receptacles for quick relocation. High-pressure tanks used for storage are prone to potential explosions or leaks; thus, this system is more beneficial.

How a liquid nitrogen generator functions

Generally, a cryo-plant has compressors, cryogenics, and pre-treatment sections. At pre-treatment, catalysis removes impurities, and absorption extracts carbon dioxide and water, which may damage the ln2 generator. Then, nitrogen air goes through several filters to remove more impurities, and an internal air dryer unit eliminates the residual moisture. A small liquid nitrogen generator then channels the treated air to a pressure swing adsorption module to process the carbon monoxide and oxygen molecules. The constant switching between the liquid nitrogen compressor's adsorption beds produces pure nitrogen gas and stores it in cryogenic storage.

Uses of a liquid nitrogen generator

Cryogenic nitrogen generation is beneficial to nuclear magnetic resonance spectroscopy because it helps researchers understand the interaction between molecules. Liquid nitrogen facilitates the NMR signal by temperature maintenance. The liquid nitrogen production machine limits the safety hazards, reduces operational costs, lowers the supply's environmental impact, and increases convenience.

An industrial liquid nitrogen generator cryo-cools the crystals in X-ray diffraction, helping increase data quality and capacity. A compact liquid nitrogen generator helps embryologists store embryos, eggs, and sperm for fertilization treatments. On the other hand, a portable liquid nitrogen generator boosts the value of biological samples by reducing the threat of cross-contamination and microbial contamination. Moreover, it uses the cold thimble design to condense the molecules to cause a trapping effect quickly. This type of generator is also finding its use in commercial kitchens, especially in making ice cream and sundaes.