Hyundai Heavy Industries (HHI) has delivered a VLCC equipped with an electrolysis ballast water treatment system (BWTS) to Oman Shipping Company.

The company claims that the 317,000dwt vessel is the first VLCC fitted with the ballast water treatment system, capable of treating 100,000t of ballast water.

The South Korean shipbuilder delivered a 7,000teu containership equipped with a BWTS in June 2009.