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Metso’s nextgen single-pass spodumene process: project economics lens for mine teams

May 26, 2026|

Reviewed by Joe Ashwell

Metso’s nextgen single-pass spodumene process: project economics lens for mine teams

First reported on International Mining – News

30 Second Briefing

Metso is rolling out a next-generation single-pass process to convert spodumene concentrate directly into battery-grade lithium carbonate, targeting higher yield and lower operating costs than conventional multi-stage routes. The flowsheet is designed as a continuous, single-pass circuit rather than batch leaching and multiple crystallisation steps, cutting thermal and reagent demand and reducing waste streams. For lithium project developers, this offers a compact, integrated plant option that can simplify permitting, shrink footprint and potentially improve project economics for hard-rock spodumene deposits.

Technical Brief

  • Process design targets direct production of battery-grade lithium carbonate from spodumene concentrate without intermediate products.

Our Take

Metso’s move into a single‑pass spodumene‑to‑lithium carbonate flowsheet complements its recent push into filtration and bulk materials handling (e.g. the Lloyds Metals iron ore filtration order and the Cape Town hub), signalling a strategy to offer end‑to‑end process packages rather than stand‑alone equipment in battery and bulk commodities.

Within our 43 keyword‑matched pieces on lithium carbonate and spodumene, most coverage focuses on mine or refinery developers rather than OEMs, so Metso’s process‑level offering positions it as a potential technology gatekeeper for new hard‑rock lithium projects seeking bankable flowsheets.

Given Metso’s current growth in copper and gold markets such as Argentina and Southeast Asia, a commercialised single‑pass spodumene route could be rapidly cross‑sold into those same regions, where junior lithium developers often lack in‑house process design capability and look to established gold/copper suppliers for flowsheet standardisation.

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Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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