Emirates Aluminium (EMAL) will invest $4.5bn to double its aluminium smelter’s annual capacity, as part of its phase two expansion programme.

On completion, the aluminium smelter’s annual capacity will rise to 1.3 million metric tons.

Under the programme, EMAL will construct a new potline within the EMAL complex at Al Taweelah, which will consists of 444 reduction cells, to produce an additional annual production capacity of 520,000 metric tonnes.

EMAL will install new generation DX+ reduction technology, which will offer benefits in terms of energy efficiency and environmental protection, the company has said.

The firm will also upgrade the technology installed at EMAL phase one, to increase its production capacity to 800,000 metric tons by the end of 2012.