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BHP and POSCO Sign Deal to Advance Hydrogen-Based Low Emission Iron

BHP, world's largest miner, and South Korean Steelmaker POSCO announced on Thursday they had signed an agreement for the advancement of the production "near-zero emissions" iron. This is a major step towards manufacturing green steel.

Iron will be produced in a demonstration facility at POSCO’s steelworks, located on the port side of South Korea’s city of Pohang. The process is based on hydrogen and uses an electric smelting oven.

Construction will begin shortly, with the commissioning scheduled for 2028. The plant is expected to be able to produce 300,000 tons of molten metal per year.

According to the International Energy Agency, a ton of steel produced in a blast-furnace, which is responsible for most of the world's production of steel, emits around 2.3 tonnes of carbon dioxide. The sector also accounts for about 8% of global emission.

When crude steel is produced without scrap, and emits 0.4 tons or less of carbon per ton of crude steel, it is classified as "near-zero emissions".

Australia's iron ores are typically too low-grade to produce green steel without a further processing step. This could make them less competitive with a future of lower carbon emissions than higher grade ore produced in Brazil.

(source: Reuters)