Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite
A technology of vanadium pentoxide and oxidized type, which is applied in the field of extracting vanadium pentoxide from low-grade oxidized type vanadium ore, can solve the problems of serious environmental pollution, high production cost, compressed smelting material handling capacity, etc., and achieves the goal of overcoming Environmental pollution problems, improving grades, and reducing the effect of smelting investment
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[0028] The raw ore is a low-grade oxidized vanadium ore in the Tangtuo mine area of Hunan Phoenix Mining Co., Ltd. of Sinosteel. The recoverable valuable minerals in the ore are mainly vanadium pentoxide. The vanadium pentoxide content in the ore is 0.93%. The production cost of directly extracting vanadium from raw ore is extremely high, and it is difficult for enterprises to make profits. The invention adopts a process of beneficiation and enrichment of vanadium for the ore, and then smelting and recovering vanadium.
[0029] Raw material: surface ore from Tangtuo Mining Area of Hunan Phoenix Mining Co., Ltd. of Sinosteel, whose main chemical composition is (%):
[0030] V 2 O 5
[0031] Process flow:
[0032] 1) The low-grade oxidized vanadium ore is crushed to a particle size of 10mm-15mm, and then ball milled to a fineness of -0.074mm. The weight of the mineral material accounts for 50%-60% of the total weight of the mineral material, and it is classified to obtain +0.03...
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