One of the crowd

ALCOA has tapped the ideas and insights of thousands of developers, data scientists and innovators from around the world through an online crowdsourcing competition to improve the descaling process at its Wagerup alumina refinery in Western Australia.

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The Wagerup refinery

In partnership with online business Unearthed, Alcoa launched a competition called Scale Away, in which 90 participants from 20 countries tried to come up with a better way to descale tanks, vessels