Hydro Introduces New High-Output PEM Electrolyzer
25 April 2006
|Inergon unveiled at the Hannover Fair.|
Hydro, the Norwegian energy and aluminum company, has launched a new high-output PEM electrolyzer for on-site hydrogen generation. The new Inergon offers up to 10 Nm3/hour hydrogen production capacity.
Electrolyzers based on Proton Exchange Membrane (PEM) technology normally offer capacities of less than 1 Nm3/hour, according to Hydro.
Within fractions of a second, the electrolyzer can switch from 5 to 100 percent utilization.
This unmatched capacity range makes Inergon the perfect choice for generator cooling applications in power stations, but also opens up for usage in renewable source applications like wind and fuelling stations, where input power, or gas output requirements vary a lot.—Knut Harg, head of Hydro’s hydrogen activities
The generator produces high-purity hydrogen at an outlet pressure of 30 bar g without a compressor, reducing complexity, and thereby cost, to an absolute minimum. The unit is designed to reduce downtime and simplify maintenance and repairs.
New features inside the cell stack ensure low and sustainable ohmic resistance. This reduces excess heat to a minimum and achieves a new level of energy efficiency for this kind of plant.
The unit is designed in a modular manner to reduce downtime and simplify maintenance and repairs. Malfunctioning modules can be rapidly replaced with new or repaired pieces, and then be fixed without disruption to the hydrogen generation process.
The cabinet contains hydrogen leak, smoke and temperature detectors. A forced air ventilation system ensures that the temperature inside the cabinet never exceeds 45 ºC. Inergon can be operated in a standalone configuration, either in manual or automatic mode.
|Hydro Inergon Electrolyzer|
|Hydrogen maximum output capacity||10||Nm3/h|
|Oxygen maximum output capacity||5||Nm3/h|
|Hydrogen gas purity||99.9 ±0.1||%|
|Hydrogen outlet pressure||30||bar g|
|Operation||5–100||% of full capacity|
|Feed water consumption||1||liter/Nm3|
|Hydrogen gas purity after purification||<5||ppm O2 in H2|
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