Veolia Water Technologies

Veolia’s HPD® Evaporator and Crystallizer Technology Chosen by North American Lithium


Source: Veolia Water Technologies

North American Lithium Inc. is planning to re-start its hydromet mining operation in La Corne, Quebec, Canada for the production of lithium carbonate (Li2CO3). Lithium carbonate is one of the main materials needed to produce lithium ion batteries for electric vehicles, computers and mobile phones.
North American Lithium has turned to Veolia Water Technologies for the installation of the Sodium Sulfate Crystallization Circuit. The primary objective is increased recovery of lithium while producing a sodium sulfate (Na2SO4) by-product. In doing so, the project will benefit from recovering two products from what, previously, was a waste stream, thereby reducing the environmental impact and making the project a commercially viable source of valuable lithium carbonate.
The system design is based on Veolia’s vast experience with this form of production coupled with complex mixed salts solubility, energy efficiency, and reliability. This ultimately enabled Veolia to provide the right solution to benefit both North American Lithium and the local environment,” commented Klaus Andersen, CEO of Veolia Water Technologies Americas.
A state-of-the-art solution
The multistage process includes MVR Falling Film Evaporation, two-stage crystallization in a HPD® Draft Tube Crystallizer and a HPD® MVR Crystallizer to produce anhydrous sodium sulfate that is dried for sale. This solution allows the client to recover useful resources in an energy efficient way and ensures a complete and well running lithium carbonate production plant.

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