Hydrogen is an extremely flammable gas and can burn in air with a pale blue, almost invisible flame. Hydrogen flames have low radiant heat. Unlike a hydrocarbon fire, you may not feel any heat until you are very close to the flame.

It can also ignite easily & can form an explosive atmosphere in air.

Its major properties are:

Specific Gravity - 0.0696 (Air=1)
Odour - none present
Flammability limits - 4% - 75% by volume in air

Key Applications

Aeronautics, Automotive and Metal Fabrication

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Aviation companies are currently testing and examining the potential for using hydrogen to replace the Auxiliary Power Units (APUs) and use fuel cells to generate electrical power for non-essential aircraft applications. Hydrogen is an essential vector to decarbonise the mobility sector, by using electric vehicles fed by a fuel cell transforming hydrogen into electricity . Hydrogen is stored in the stations and on the vehicles in advanced hydrogen tanks, in liquid form or as gas compressed at high pressure. Today hydrogen is very interesting for fleets (forklifts, buses, airport traffic) and passenger cars, and development for trains, trucks, ships and even air mobility are ongoing. Hydrogen is also used for metal heat treatment in vehicles, and used in mixtures for arc and plasma welding of stainless steels.

Glass

Gazy dla przemysłu szklarskiego

Hydrogen mixed with nitrogen creates a reductive atmosphere over the tin bath in glass production process preventing oxygen to react with the tin. Hydrogen is used in heat treatment (oxy-hydrogen flame) of hollow glass and optic fibre pre-forms.

Oil & Gas

Gases y soluciones para el sector energético

Hydrogen is used in refineries to remove sulphur from petroleum products (hydrodesulphurisation process) to reduce sulphur dioxide emissions during fuel combustion and prevent acid rain. Hydrogen is used in many other units in refineries : to crack long-chain hydrocarbons into lighter hydrocarbons (hydrocracking process), to convert normal paraffins into iso-paraffins and improve the product properties (hydroisomerisation) and to remove aromatic compounds from a mixture, especially as part of the oil refining process (dearomatisation).

Metal Processing & Manufacturing

Traitement thermique - Air Liquide

Hydrogen, mixed with protective inert gases (H2 diluted in nitrogen) eliminates all oxygen traces, harmful for these medium and high temperature processes. Hydrogen, mixed with nitrogen, is used for metal heat treatment (heating operations applied to metals - sheets, tubes, wires or parts - to improve their mechanical properties). 

Laboratories & Research Centres

Des Outils Numériques pour vous faciliter la vie !

Hydrogen is used for analysis in research laboratories and quality control for industry and healthcare. Hydrogen is a carrier gas in gas chromatography and in various analytical instrument applications (flame ionisation detector).

Hydrogen Power

Hidrógeno para vehículos eléctricos con pilas de combustible

Hydrogen fuel cells can be used as clean and autonomous power supply for off-grid sites, such as telecommunication stations and to power residential homes.

Hydrogen Gas Equipment

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Energas Safety Data Sheet

Safety Documentation

Gas safety data sheets (MSDS)

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