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Queensland
Bauxite Tailings — Red-Mud Dewatering
The Challenges
Assess whether dewatering tubes could handle partially-neutralised caustic bauxite red mud — with a view to forming bund walls and reusing the dried residue as fill.
Our Approach
A tube was filled in a single pass with slurry taken straight from the tailings spigots. Even with no polymer dosing, the red mud dewatered well, cracking and drying over roughly two weeks.
Results
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