Mobil Mining and Minerals Company
South Fort Meade Mine Beneficiation Plant
Fort Meade, Florida
Mobil Mining and Minerals Company selected Roberts & Schaefer
to provide complete project management, detailed engineering,
procurement, and complete construction services under a turnkey
contract for the South Fort Meade Phosphate Rock Beneficiation
plant.
The plant receives 2,800 TPH of raw phosphate matrix via a slurry
pipeline from an off-site mining operation. Trommel and vibrating
screens, primary and secondary logwashing, and two stages of flotation
process the raw phosphate matrix. The processing produces four
sizes of phosphate concentrate for direct application as fertilizer,
or for the production of phosphoric acid.
The beneficiation plant includes a heavy media circuit to concentrate
the three-quarter inch x number 3-mesh matrix feed. The facility
incorporates product storage in multiple tanks for the sizer rock,
coarse concentrates, and fine concentrates, with additional open
storage for 500,000 tons of wet rock product. The plant provides
high capacity rail loading, to load 100-ton capacity rail cars
at a rate of 4,000 TPH.
Roberts & Schaefer's Process Control and Automation Group
completely automated the operation by using open distributed control
system technology. In addition to the beneficiation plant, the
project includes complete site development, distribution of utilities,
reagent storage, warehouse, shop, and maintenance facilities,
offices, parking and roads, reservoirs for plant water and drainage,
and all site drainage.
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