- The World's largest single Crude Distillation Column equipment has finally arrived at the Dangote refinery site in Lagos.
- The equipment left built by Sinopec in Ningbo, China, on July 29, 2019, and spent about four months following the Maritime Silk Road ( a maritime sector that connected China to other parts of the world).
- Capt. Rajen Sachar, Head, Maritime and Ports Infrastructure at Dangote Group, explains the component and usefulness of the facility.
Aliko Dangote, Africa's wealthiest man, has taken delivery of the World's largest single Crude Distillation Column, at his refinery site in Lagos.
The atmospheric tower arrived Ibeju Lekki, Lagos Nigeria after spending 4 months on the sea.
On July 29, the equipment built by Sinopec slowly left a wharf in Ningbo, China, following the Maritime Silk Road.
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Dangote Group described the equipment as the
biggest single-train facility used for refining crude and it is the
primary unit processor of crude oil into fuels.
Capt. Rajen Sachar, Head, Maritime and Ports Infrastructure at Dangote Group,
explained that crude oil consists of various chemical components that
have different molecular sizes, molecular weights, and boiling
temperatures.
He said the crude distillation column works on
the principle of fractional distillation, leading to the separation of
various components in the mixture based on their different boiling
points.
“Crude oil enters the top of the column,
where the inlet temperature is 165 degrees Celsius, gradually increasing
to 357 degrees Celsius at the bottom of the column.
“During this passage, the crude and its
vapors pass through a complex web of internal trays to increase the
contact time and surface area within the column, with the hot vapors
traveling upwards through bubble caps which allow the vapor to pass
through the tray with the cooler liquid flowing down the column.
“When the vapor reaches the height within
the column where its boiling point is equal to the temperature of the
column at that height, it condenses to form a liquid. The liquid then
collects on various trays in the column at differing heights from where
it is extracted out of the column.
“It is, therefore, critical to controlling
the heat load of the column to optimise the crude crack. These
separated fractions are mainly middle distillates namely, Naphtha, Jet
Fuel, Kerosene, Gasoline, and Gas Oil,” Sachar said.
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It will installed at the acclaimed world’s biggest single-train facility - Nigeria's Dangote Refinery.
According to Sinopec. China's energy and chemical company, the atmospheric tower has a diameter of 12 meters, a length of 112.56 meters and a unit weight of 2252 tons.
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