The initial public offering of Nigeria's Dangote refinery, the largest on the continent, ​will open in the next 10 to 12 days, ‌owner Aliko Dangote said on Thursday.

"So our dream is that we want to make sure we double the capacity of the refinery ... which will take ​us to 1.4 million barrels per day.

The IPO will ​open in the next 10 to 12 days," Dangote ⁠told investors and analysts in Botswana, while visiting the Southern African ​country.

The refinery, owned by Africa's richest man, is expected to ​raise about $5 billion in what could become the continent's largest IPO.

Dangote does not disclose refinery margins, but the refining industry has benefited from stronger ​profits as turmoil in the Middle East boosted demand for alternative fuel ​supplies.

The 650,000-barrel-per-day refinery reached full nameplate capacity in February and has already ‌tested ⁠output at 700,000 barrels per day.

The businessman also said the secondary listing of Dangote Cement (DANGCEM.LG), opens new tab, another flagship company in his industrial empire, on the London Stock Exchange would most likely be in October, a ​move that could ​broaden its ⁠access to international investors and capital.

Dangote is also planning to build a new refinery on Kenya's ​coast in partnership with East African governments. The ​project, which ⁠is expected to take up to three years to complete, would supply refined petroleum products to Kenya and neighbouring countries, helping reduce East ⁠Africa's ​reliance on imported fuels.

It would ​mark Dangote Group's biggest refining investment outside Nigeria. "We are launching it on September 30," he ​said.