Recycling breakthrough set to save environment from acid

8 June, 2020

An industrial prototype to recycle acid waste from Christchurch’s galvanised steel industries is just the beginning for researchers at the University of Canterbury who have a global vision for their eco innovation. Called Zincovery, their exciting project is a finalist for Callaghan Innovation’s prestigious C-Prize

Zincovery is the brainchild of UC Associate Professor of Engineering Dr Aaron Marshall and Chemical and UC Process Engineering Master’s student Jonathan Ring, whose prototype process is poised to make a big impact as a new low-cost industrial recycling technology.

Their solution for recycling spent acid and recovering pure zinc is a true leap forward towards a cleaner global future for industries reliant on galvanising, a process that involves applying a protective zinc coating to steel. They have their sights set on tackling the hundreds and thousands of tonnes of zinc and acid released into landfill and wastewater every year through the steel galvanising process.

Using their industrial prototype, currently under construction, Zincovery aims to offer an innovative recycling service for acid waste at a lower cost than what businesses would pay to dispose of it. Their prototype will be capable of recycling 15 per cent of the acid waste produced by Christchurch’s galvanised steel industry.

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