Towards Zero Solid Waste in the Sedimentary Phosphate …
Beneficiation plants often mix different phosphate ores from different sources in response to customer specifications (i.e., impurities content such as Cd, MgO, etc.). ... (limestones and marls) are not used. Limestones are mainly composed of dolomite and calcite minerals, while marls are composed of clayey minerals (montmorillonite and ...
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