Hydrogen
Energas supplies hydrogen, a crucial gas to many industries for a range of applications. Hydrogen is only found in the atmosphere at trace levels; it is synthesized from hydrocarbons (petroleum and petroleum by-products) and from water where it constitutes the lightest fraction of the H2O molecule.
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
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
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
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
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
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
Modes of Supply
Hydrogen Gas Equipment
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Hydrogen Multi Stage Gas Regulators
A supply of constant pressure is one of the main advantages of using a Multi stage regulator as when gas leaves a gas cylinder, the pressure in the cylinder d ...
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