ArcelorMittal successfully tests use of green hydrogen at Canadian plant

ArcelorMittal has efficiently examined using inexperienced hydrogen to cut back iron ore at considered one of its industrial websites in Canada, in what the world’s second-largest steelmaker claims is a milestone for the trade.

Engineers on the firm’s operations at Contrecoeur in Quebec changed about 7 per cent of the pure gasoline usually used to cut back iron ore with hydrogen comprised of renewable electrical energy throughout the 24-hour check earlier this month. Arcelor partnered with a neighborhood hydrogen producer that makes use of electrical energy from the Quebec grid, which is powered by renewable hydroelectricity, to supply the gasoline.

“For us it is a milestone . . . The primary industrial check executed in an industrial setting,” stated Francois Perras, chief govt of Arcelor Canada’s lengthy merchandise enterprise.

The initiative marks one other step within the international effort to enhance the inexperienced credentials of an trade that accounts for 7 to 9 per cent of all direct fossil gas emissions. A number of the world’s largest steelmakers, together with ArcelorMittal, Thyssenkrupp and China’s Baowu, have launched numerous initiatives to cut back their carbon footprint.

Steelmaking is extremely carbon intensive. Conventional blast furnaces use coking coal to soften iron ore and take away oxygen. A byproduct of this chemical response is carbon dioxide, whereas giant quantities of power are additionally required to warmth the furnaces above 1,000C.

Another route is direct-reduced iron, whereby pure gasoline is used to take away oxygen from iron ore pellets. The strong intermediate, known as sponge iron, is then melted in an electrical arc furnace. The method at present requires pure gasoline however trade specialists imagine that after using hydrogen comprised of renewable sources is scaled up, it may mark a revolution in steelmaking. Sweden’s SSAB is on the forefront of such efforts, producing fossil-free metal utilizing hydrogen gasoline final 12 months.

Arcelor’s Canadian check, stated Perras, was centered on proving that hydrogen injection is a “good a part of the answer” for direct-reduction vegetation. “Having this expertise confirmed and finally scaling it as much as greater ranges could possibly be a giant a part of the puzzle to decarbonising our trade.”

The Luxembourg-based firm has thus far invested $5.6bn in 4 such tasks, in Spain, Belgium, Canada and France. In Europe, Arcelor has dedicated to decreasing its CO2 emissions by 35 per cent by 2030.

Perras stated the corporate would want to comply with up with additional exams however cautioned that quite a few challenges nonetheless existed, not least the big volumes of hydrogen that might be wanted. Arcelor used 92,000 cubic metres of inexperienced hydrogen over the check interval.


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