 PyroGenesis Canada Inc. TSX:PYR has confirmed that the companys DROSRITE dross recovery technology has been successfully commissioned at Maaden Aluminum, a joint venture JV with Alcoa NYSE:AA, and one of the worlds largest primary aluminum producers with 2021 revenue in excess of US7 billion. The Montreal-based provider of advanced plasma technologies said the successful milestone involves an initial order for seven DROSRITE systems, the first three of which have passed site acceptance testing and have been fully commissioned, with the remaining four already manufactured and awaiting final shipment at the end users request. 