Metso’s VSF SX-EW plants for Tia Maria: flowsheet implications for mine engineers
Reviewed by Tom Sullivan
First reported on International Mining – News
30 Second Briefing
Metso has signed a major agreement to supply its VSF solvent extraction and electrowinning (SX-EW) technology to Southern Peru Copper Corporation’s Tia Maria greenfield project in Cocachacra, Arequipa. The SX-EW plant is designed to produce 120,000 t/y of high-purity copper cathode, using Metso’s modular VSF cells and integrated electrowinning circuits. For process and project engineers, the deal signals a commitment to heap leach–SX-EW flowsheets at Tia Maria rather than conventional concentrator–smelter routes.
Technical Brief
- Metso’s scope covers both solvent extraction and electrowinning sections as an integrated VSF package.
- Agreement is described as “major”, indicating a large multi-plant supply rather than single-line equipment.
- Southern Peru Copper Corporation is among the world’s largest copper producers, signalling strong balance-sheet backing.
Our Take
Metso’s win at the copper-focused Tia Maria project in Peru comes as our database shows the company also pushing hard into iron ore pelletising for DR-grade green steel, signalling a deliberate strategy to anchor its process-plant footprint across both copper and low‑carbon steel value chains.
Several recent items featuring Metso highlight bundled Life Cycle Services and integrated technology packages; if a similar model is applied at Tia Maria, Southern Peru Copper Corporation could lock in OEM-led performance guarantees for the SX‑EW circuit rather than just buying stand‑alone equipment.
Within our 1168 Mining stories, copper projects like Tia Maria in Peru tend to face prolonged permitting and social-licence scrutiny, so securing a named process-plant supplier at this stage usually indicates that project engineering has moved into a more execution-ready phase.
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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