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The Alumbrera SAG mills were designed to process between 70 ktpd and 100 ktpd of ore, with an average throughput of approximately 80 ktpd based on rock type. However, actual throughput rates declined after the initial 18-24 months due to harder rock types and inaccuracies in rock type estimation. The document discusses various trials and modifications aimed at improving throughput rates, including changes to blasting practices and grinding ball sizes.

Author

王柏昆

Language

EN