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Nitrogen generators are used in hypoxic air fire prevention systems to produce air with a low oxygen content which will suppress a fire. To prevent corrosion, nitrogen generators are used in place of or in conjunction with a compressed air system to provide supervisory nitrogen gas in place of air for dry pipe and pre-action fire sprinkler systems.
Nitrogen generator using PSA Pressure swing adsorption ( PSA ) is a technique used to separate some gas species from a mixture of gases (typically air) under pressure according to the species' molecular characteristics and affinity for an adsorbent material.
An oxygen concentrator takes in air and removes nitrogen from it, leaving an oxygen-enriched gas for use by people requiring medical oxygen due to low oxygen levels in their blood. [4] Oxygen concentrators provide an economical source of oxygen in industrial processes, where they are also known as oxygen gas generators or oxygen generation plants.
Two adsorbate nitrogen molecules adsorbing onto a tungsten adsorbent from the precursor state around an island of previously adsorbed adsorbate (left) and via random adsorption (right) In other instances, molecular interactions between gas molecules previously adsorbed on a solid surface form significant interactions with gas molecules in the ...
A nitrogen rejection unit (NRU) selectively removes nitrogen from a gas. The name can be applied to any system that removes nitrogen from natural gas . For high flow-rate applications, typically above 420 thousand cubic metres (15 million cubic feet ) per day at standard pressure , cryogenic processing is the norm. [ 1 ]
Peak Scientific is a Scottish manufacturer of gas generators for analytical laboratories. [ 1 ] [ 2 ] [ 3 ] Headquartered in Glasgow , United Kingdom, it specialises in the production of nitrogen, hydrogen, and gas generators, mainly for the fields of liquid chromatography–mass spectrometry and gas chromatography .
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Ammonia production takes place worldwide, mostly in large-scale manufacturing plants that produce 240 million metric tonnes of ammonia (2023) annually. [1] Based on the annual production in 2023 the major part (~70%) of the production facilities are based in China (29%), India (9.5%), USA (9.5%), Russia (9.5%), Indonesia (4%), Iran (2,9%), Egypt (2,7%), and middle Saudi Arabia (2,7%).