Marandoo Optimisation

Rio Tinto Iron Ore

Pilbara Region, Western Australia, Australia

Increasing throughput from 12Mtpa to 15Mtpa.

Calibre QuadR was appointed as the engineer to conduct a three-month study during which the following was critically examined:

      • Mine and plant operations
      • Performance of process plant including observations and testing
      • Process control systems
      • Mine plan and ore types expected
      • Proposed scope of work

      Further to the study recommendations, our team:

      • Recommended the planned addition of a second scalping screen be excluded from the scope as it would be adverse to plant performance
      • Recommended the planned replacement of the vibrating feeders with belt feeders be excluded from the scope
      • Recommended splitters for the lump and fines products to match the revised lump/fine ratios
      • Replaced product screen mats
      • Updated the process automation system
      • Upgraded the major conveyor drives to debottleneck, and
      • Replaced transfer chutes to better handle the “wetter” ores




      Julian Gonzalez

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