2011-12-06

ABB launches sulphur hexafluoride (SF6) insulating gas recycling technology Electronics News

ABB has launched its new SF6 (sulphur hexafluoride) gas recycling centre at Moorebank, NSW, the first of its kind in the world.

SF6 gas is extensively used in the electrical industry for dielectric insulation and current interruption in circuit breakers, switchgear, and other electrical equipment.

Pressurised SF6 gas is used for the safe and reliable operation of gas-insulated switchgear as it has a much higher dielectric strength than air or dry nitrogen, making it possible to significantly reduce product footprint and enable installation in constrained spaces.

However, managing the lifecycle of the SF6 gas is a challenge, as the cost of handling SF6 in a compliant manner can also be substantial, particularly when decommissioning aging substations.

The ABB technology comprehensively recycles contaminated SF6 gas. It is based on a new energy-efficient cryogenic process, and yields recycled SF6 gas with a purity of around 99.99 percent.

Using recycled SF6 gas will help reduce carbon emissions and could result in a cost saving potential of up to 30 percent.

The new service offering will see contaminated SF6 gas recycled into technical grade standard (according to IEC 60376 standards) for reuse using approved handling practices that do not allow the escape of SF6 gas into the atmosphere.

The service also covers monitoring to ensure compliance with changing local and international regulations and standards.


ABB launches sulphur hexafluoride (SF6) insulating gas recycling technology Electronics News

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