Ultrasonic leaching-extracting separation method for sulphating roasting rare earth mine
A technology of sulfuric acid roasting and separation method, which is applied in the field of separation of rare earth ore roasted by sulfuric acid, can solve the problems of leaching, low extraction rate and efficiency, slow extraction rate, difficult impurity removal and separation, etc.
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Embodiment 1
[0024] Embodiment 1: main production equipment: probe type ultrasonic generator, 1L stirred tank, analytical testing instrument;
[0025] Main raw materials: water, sulfuric acid, P204 extractant, sulfuric acid roasting rare earth ore;
[0026] The separation steps are as follows: put sulfuric acid roasted rare earth ore, leaching solution, and extract into a 1L stirring tank at a ratio of 1000g:5L:0.1L, sulfuric acid roasted rare earth mineral material 100g, sulfuric acid aqueous solution 0.5L and extract P204 and kerosene are mixed Solution 0.01L, put the probe of the probe-type ultrasonic generator in the mixed material, control the operating temperature to 5°C, adjust the ultrasonic frequency to 19kHz, and the ultrasonic action intensity to 0.2W / cm 2 , ultrasonic leaching-extraction separation operation was carried out under the action of ultrasonic waves. After ultrasonic leaching-extraction separation for 30min, the raffinate phase was light rare earth sulfate enrichment...
Embodiment 2
[0027] Embodiment 2: main production equipment: probe type ultrasonic generator, 5L stirring tank, analytical testing instrument;
[0028] Main raw materials: water, sulfuric acid, P204 extractant, sulfuric acid roasting rare earth ore;
[0029] The separation steps are as follows: put sulfuric acid roasted rare earth ore, leaching solution, and extract into a 5L stirring tank at a ratio of 1000g:20L:5L, sulfuric acid roasted rare earth mineral material 150g, sulfuric acid aqueous solution 3L and extract solution P204 and kerosene mixed solution 0.75 L, put the probe of the probe-type ultrasonic generator in the mixed material, control the operating temperature to 40°C, adjust the ultrasonic frequency to 25kHz, and the ultrasonic action intensity to 2.0W / cm 2 , under the action of ultrasound, ultrasonic leaching-extraction separation operation was carried out. After ultrasonic leaching-extraction separation for 15 minutes, the raffinate phase was light rare earth sulfate enric...
Embodiment 3
[0030] Embodiment 3: main production equipment: probe type ultrasonic generator, 10L stirred tank, analytical testing instrument;
[0031] Main raw materials: water, sulfuric acid, P204 extractant, sulfuric acid roasting rare earth ore;
[0032] The separation steps are as follows: put sulfuric acid roasted rare earth ore, leaching solution, and extract into a 10L stirring tank at a ratio of 1000g:50L:10L, sulfuric acid roasted rare earth mineral material 100g, sulfuric acid aqueous solution 5L and extract solution P204 and kerosene mixed solution 1L , place the probe of the probe-type ultrasonic generator in the mixed material, control the operating temperature to 60°C, adjust the ultrasonic frequency to 80kHz, and the ultrasonic action intensity to 20.0W / cm 2 , under the action of ultrasound, ultrasonic leaching-extraction separation operation was performed. After ultrasonic leaching-extraction separation for 30min, the raffinate phase was light rare earth sulfate enrichment...
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