Equipment end of life
Management of SF
6
gas
GE Information02- 2017 L80- 001EN/04
4/6
SF
6
gas safety rules (contd.)
Used SF
6
For all interventions, it is necessary to respect the following instructions:
In every zone where the SF6 is implemented
D It is forbidden to smoke, eat, drink or store food.
D Ventilation must be sufficient.
D It is forbidden to use a fuel engine.
D Individual protection must be worn, following the table below.
Individual
protection
SF6 Technical
grade.
Pure SF6 and
used gas
without toxic
products.
Conforming
SF6 including
low levels of
toxic products .
Non- conforming SF6
including toxic
products.
SF6 (post- arcing).
Studies of the com-
partment containing
polluted SF6.
Wearing of
Gloves
Wearing of Eye
Protection
Wearing of a
Simple Face
Mask
Wearing of a
Cartridge Filter
Face Mask
Wearing of a
Combination
N.B.: For the elimination, the individual protection is managed in HIW
D Furthermore, the personnel intervening on the equipment, must respect at
minimum the following instructions : after draining gas,
- Remove the SF6 decomposition products immediately after the opening
of the equipment in order to avoid a chemical re- combination with water .
- Ventilation must be sufficient.
- Use an appropriate vacuum cleaner equipped with a dust filter and wipe
with a clean, dry cloth.
- Avoid shaking the cloth
- Block the SF6 decomposition products (i.e. molecular sieve, cloth soiled
with a 3% sodium hydroxide solution during 24 h) and destroy as dangerous
waste.
D Avoid contact with soiled parts or dust (Individual Protection)
Soiled individual protection, soiled dusters, soiled molecular sieve, polluted
gas, must be destroyed as dangerous industrial waste. Polluted gas will be
incinerated or recycled depending on its level of pollution.
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