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Description:
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Zinc is widely used to galvanise steel and iron, putting a protective layer over it to make the metals non-corrosive. But the process creates a lot of waste, and recycling zinc is more emissions-intensive than mining it in the first place. It's a problem Jonathan Ring went back to university to solve, working on it for his masters at the University of Canterbury under engineer Aaron Marshall. Together the pair co-founded Zincovery - which recycles zinc dust back its pure form. Jonathan joins Kathryn to explain how Zincovery's technology works and their plans for scaling up. |