How to process Phosphate rock

How to process Phosphate rock

1. Flotation
Generally higher MgO containing phosphate, phosphate rock and gangue mineral paragenesis things close, embedded in fine particle size distribution, only the flotation in order to obtain better separation, the phosphate ore flotation is the most widely used method.
Including direct flotation flotation, reverse flotation, anti – is (are – anti-) and two anti-flotation flotation process. Production practices were used more directly and anti-flotation process flotation process.
(1) direct flotation process using effective inhibitor of phosphate rock in the gangue minerals, with the collector in the flotation of phosphate enrichment foam. The process has been successfully applied to igneous rocks and sedimentary-metamorphic-type apatite ore dressing phosphorites industrial production, phosphate ore dressing plant in Jiangsu Jinping is a more typical example.
Sedimentary calcium (calcium silicon) is the world’s quality of phosphate rock phosphate rock recognized as refractory. Since the “S” series inhibitors direct flotation process development, the type of phosphate rock ore beneficiation technology breakthrough has been made.
(2) anti-anti-flotation process flotation process is mainly used for the separation of dolomite phosphate rock materials and to inorganic acid as a slurry pH adjustment agents, fatty acids in acid medium using floating dolomite collector, the phosphate material enriched in the product tank. Its biggest advantage is achieved at room temperature flotation, coarse particle size is conducive to slot product processing. The process has been successfully used Wengfu phosphate deposits of phosphate rock beneficiation of industrial production.
2. Scrub mud off process
The process is simple, purely physical beneficiation, phosphate rock will be placed in the water weathering scrub or peel grinding to remove surface mud material, so that phosphate enrichment. Less than the enrichment process, only to increase P2O5 grade 3 to 5 percentage points. The more typical and better results and is weathered phosphate mine.

 
 

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