BS EN 12816:2010 pdf free.LPG equipment and accessories Transportable refillable LPG cylinders—Disposal.
BS EN 12816 Cylinder disposers shall remove LPG from cylinders by:
一returning to an LPG storage tank via a suitably designed pump/compressor system, or
一flaring through a purpose designed flare stack ftted with a flame arrestor as required, or
一venting through a purpose designed high level vent, in a controlled manner, that ensures that the vented gas is diluted to less than 20 % of the lower explosive limit before it reaches ground level, or any potential source of ignition, or a combination of any of these options.
For safety and environmental protection reasons the first option is preferable. However it is recommended that, at a minimum, the liquid contents of cylinders should always be returned to an LPG storage tank.
Equipment used for removal of LPG shall be capable of removing liquid LPG from any cylinder however full. It should also be capable of removing LPG vapour so that the internal pressure is reduced to atmospheric.
Cylinders shall be made gas free by a safe means, for example: evacuation, or purging.
NOTE1 Where water is the purging fluid, waste water should be recycled where possible for further purging applications.
NOTE 2 Where possible, the recovery of the gas should be maximised in a closed loop system and stored for re-use.
Any flammable liquids remaining in the cylinder (e.g. oily residues) shall be removed and disposed of in a suitable manner before the cylinder can be considered gas free.
Cylinders shall be checked to ensure that they are depressurised and gas free prior to disposal.
Valves and other fttings shall be:scrapped and recycled, or inspected/reconditioned in accordance with EN 14912 for re-use.
Cylinders made unserviceable in accordance with 5.2 shall be considered as scrap material for disposal and recycled in order to maximise the re-use of scrap material and minimise the total energy life cycle of the cylinders. The cylinder disposer shall endeavour to minimise wastage of material by selecting the most appropriate scrapping method.BS EN 12816 pdf download.
BS EN 12816:2010 pdf free
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