Barite is fragile and like a big tube. The separation methods of Xinhai are generally gravity separation, magnetic separation, and flotation.
For the gravity separation of barite, the process of Xinhai is crushing, screening and jigging. Then the high grade (over 80%) concentrate will be produced. The jig is the main equipment for the separation and purification of barite ore, which is energy-saving, high efficiency, and environment protection. In the process of crushing, Xinhai uses the jaw crusher and applies a two-stage crushing process. In the process of screening, Xinhai uses a simple and useful circular vibrating screen, which also has the features of large capacity, high efficiency, and convenient operation. It is very suitable for screening of barite ore. In the process of jigging, Xinhai applies two kinds of jigs to respectively separate the coarse and fine granularity of barite material.
Xinhai usually applies wet magnetic separation to beneficiate some iron-bearing mineral, like siderite, which applies to barite ore that is used in barium-based medicine requiring low iron barite.
As for the barite with fine particle size and gravity tailings, Xinhai applies the process of floatation. According to the different adsorption manner, Xinhai uses some anionic collectors, like fatty acid alkyl sulfate, alkyl sulfonate, or cationic collector, like amide collectors to do the floatation for barite ore.
Take Xinhai's sorting, purification and processing of a barite ore as an example. Xinhai adopts flotation process for tailings containing BaS048%~15%, and obtains barite concentrate with grade BaS04>95%, specific gravity of 4.35%, recovery rate of 81%, and good economic benefits.
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