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RARECHEM’S INNOVATIVE DECK LIFTING SYSTEM USED AT DANGOTE REFINERY

THE 650,000 bpd Dangote Refinery, under construction in Lekki, Nigeria, will be the world’s largest single train refinery, when complete. It is large enough to provide Nigeria’s entire domestic need for refined products, as well as products for export.

A big refinery needs a lot of tanks. At present, UAE-based firm ChemieTech of Sharjah is building 155 tanks at the site. Of these, 51 are floating roof tanks, 10 with a diameter of 92 m, eight with a diameter of 66 m, 25 with a diameter of 57 m and eight smaller tanks. Floating roof tanks present particular challenges, including that once the roof, or deck, is constructed, it must be raised to maintenance level, around 1.8–2 m, so that final work can be completed on elements such as roof drains, heating coils and agitators, and the bottom of the tank.

ChemieTech have chosen to use Rarechem’s innovative hydraulic chain jacking system to raise the decks, and Rarechem has supplied 350 jacks, which have lifted 25 decks of varying sizes sinc...

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