Electra found a cheap, clean way to purify iron, and it’s raising $257M to make it happen

Electra has raised $180.4 million to wash up the soiled ironmaking trade, TechCrunch has realized.

The startup has developed a novel technique of utilizing electrical energy to coax pure iron out of low-grade ores, opening the door to cleaner metal. The brand new funding spherical, which was disclosed in a regulatory filing, seeks to boost a complete of $256.7 million.

Iron manufacturing at the moment is very polluting. It’s chargeable for the overwhelming majority of emissions for steelmaking, which itself generates 7% of the world’s carbon emissions. The primary course of used to make iron at the moment — melting ore in searing-hot blast furnaces pushed by burning fossil fuels — has remained largely unchanged for hundreds of years.

Because the trade has sought to wash up its act, it has began in search of options. Electra’s answer, often known as electrowinning, is already used to provide different metals like copper and nickel. Electrowinning makes use of an electrical present to attract a steel out of a liquid answer. The steel will get plated onto an electrode whereas impurities drop to the underside of the tank.

However adapting electrowinning to iron has been difficult, partially as a result of it normally requires higher-grade ores, making the top product too costly to compete with blast furnaces.

Electra claims that its acid-based course of can deal with lower-grade ores. It heats up the answer to about 60 levels C, which is beneath the boiling level of water, after which sends a present by it. The ensuing plates are perfect feedstock for electric-arc furnaces, which might additionally run on renewable power.

When mixed, electrowinning and electric-arc furnaces have the potential to get rid of the vast majority of steelmaking’s carbon emissions.

Electra final raised $85 million in 2022 from traders together with Amazon, Breakthrough Vitality Ventures, BHP Ventures, and Nucor.

The corporate didn’t instantly reply to a request for remark.

Replace: Corrected the quantity raised up to now.

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