rafibra

Cleaning of Tanks

At Rafibra, we are experts in cleaning diesel, petrol, Jet A1 and chemical products such as acetone, alcohol or paints

We carry out the most effective form of cleaning once the tank has been degassed and the atmospheric gasses inside it have been controlled and are below 1% of the LFL (lower flammable limit) at all times.

Over time, water and sludge gets deposited in the base of the tanks. These impurities may come from the actual fuel or may be caused by the entry of water or impurities due to a leaky tank or pipework.  

We begin by removing the sludge from the whole base of the tank, clean the walls with water at high pressure and with disinfectants designed and created by our chemists, and thoroughly brush and dry the tank.

If the tank contains fuel that is in good condition, during the cleaning process, the existing fuel can be separated from the impurities. This fuel will be returned to the tank once the clean has been completed.

The liquids resulting from the tank cleaning will be packed in appropriate containers for their subsequent transfer to the plant for managing toxic and hazardous wastes. In this aspect, Rafibra acts as manager-transporter of the sludge sediments and hydrocarbons and other hydrocarbon waste. The reduction in the explosive index will be verified during this operation and after vacuuming the combustible waste remaining inside the tank.

All ventilation equipment and the tank structure will be connected to an earth.

Oxygen will not be used for ventilation under any circumstances.

ACCESS TO THE INTERIOR

Access and stay inside the tank will not be allowed until the tank will have less of 1% of the I.E.L

The workers that access to the interior of the tank will be provide with the following equipment:

The entry and stay of persons inside the tank, under the above conditions, will be always subject to external security, ready for evacuation.

Access to the interior will be with non-sparking equipment (aluminium ladder, with rubber stoppers, etc.) and in such a way that rapid evacuation is always possible.

Lights equipment will be explosion-proof and with a power supply no more of 24V.

Will take special care when removing muds, as this will again produce an explosive atmosphere. Will be maintain the precautions described above and, if necessary, will repeat the degass procedure.

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