TECHNOLOGY

Turning waste brine into high-grade iron

Australia’s iron exports have relied on deposits from the Pilbara, but grades are steadily declining

The project uses waste brine from seawater desalination to turn low-grade iron ore into high-grade feedstock.

The project uses waste brine from seawater desalination to turn low-grade iron ore into high-grade feedstock. | Credits: Alexey Pavlishak via Shutterstock

Australia's miners are backing an experiment that uses waste brine from seawater desalination to turn low-grade iron ore into high-grade feedstock for green steel. The Heavy Industry Low-carbon Transition...

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