| Company | Lundin Mining Corporation |
| Date | 2022 |
| Region | Portugal |
| Commodities | Copper, Zinc, Lead, Silver |
| Mine Type | Underground |
| Status | Operating |
Executive Summary
This technical report details the recovery methods for the Neves-Corvo Mine in Portugal, operated by Lundin Mining Corporation. The facility comprises two distinct processing plants: a Copper Plant with an installed capacity of 2.8Mtpa and a Zinc Plant expanded to 2.5Mtpa. The mine treats various sulphide ore types, including Massive Copper, Massive Copper-Zinc, and Copper Stockwork ores, which are blended for processing. The Copper Plant utilizes a combination of rod mills, ball mills, and flotation circuits to recover copper, while the Zinc Plant employs SAG milling and flotation to recover zinc and lead.
Operational performance data indicates that the Copper Plant has treated up to 2.7Mtpa, with recent years showing declining head grades and recovery challenges attributed to the processing of more complex MH ore types and water quality issues. The Zinc Plant is currently operating in a 50% lead production mode, with plans to transition to 100% lead treatment in 2024. Both plants utilize pressure filtration for concentrate dewatering and send tailings to a paste backfill plant or tailings storage facility.
The report highlights the complexity of the ore processing, particularly the need for regrind circuits and specific reagent strategies to manage penalty elements like arsenic and antimony. The mine remains in an operating status with established supply chains for energy, water, and process materials, ensuring sufficient capacity for current design throughputs.
Website: https://www.lundinmining.com/news/lundin-mining-completes-the-sale-of-neves-corvo-and-zinkgruvan-to-boliden
Report Date: 2022
Region: Portugal
Project Status: Operating
Commodity: Copper, Zinc, Lead, Silver
Throughput:
Mine Life:
Mine Type: Underground
Ore type:
