The world's largest single Crude Distillation Column equipment for processing crude oil into fuels finally arrives at the Dangote refinery site in Lagos

The World's largest Single Crude Distillation Column arrived at the Dangote Oil Refinery in Lagos
  • 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.

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.

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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