Beneficiation Experimental Study of a Molybdenum Ore in Qinghai

A beneficiation experimental study of a molybdenum ore in Qinghai, China has been conducted, which tested different methods to extract molybdenum from this specific ore type. Here are some highlights of the study:

1. Mineralogy and Characterization: The mineralogical and morphological characteristics of the ore were analyzed, which revealed the presence of complex sulfide minerals and a high content of refractory sulfur.

2. Flotation Method: The flotation method was tested, which involved using collectors and depressants to selectively separate the molybdenum minerals from the bulk sulfide minerals. The results showed that a rougher scavenger-regrinding-cleaner flotation process had a good separation effect, with a molybdenum concentrate grade of 45.23% and a recovery rate of 84.18%.

3. Roasting-Leaching Method: The roasting-leaching method was also tested, which involves roasting the ore at high temperatures to remove sulfur and then leaching the roasted ore with a solution to extract molybdenum. This method achieved a molybdenum concentrate grade of 36.91% and a recovery rate of 55.06%

4. Combination Method: A combination of flotation and roasting-leaching was tested, which involved using flotation to recover molybdenum from the initial ore, then roasting the flotation concentrate to remove residual sulfur, and finally leaching the roasted concentrate to extract molybdenum. This method achieved a molybdenum concentrate grade of 49.16% and a recovery rate of 84.57%.

Overall, the study found that a combination of flotation and roasting-leaching was the most effective method for extracting molybdenum from the ore. The study also highlighted the importance of mineralogical and morphological characterization in optimizing a beneficiation approach for a specific ore deposit.

Here is a list of the main findings from the beneficiation experimental study of a molybdenum ore in Qinghai, China:

1. Mineralogy and characterization: The study analyzed the mineralogical and morphological characteristics of the ore, revealing the presence of complex sulfide minerals and high refractory sulfur content.

2. Flotation method: The researchers evaluated the effectiveness of flotation method, which involved selectively separating molybdenum minerals from bulk sulfide minerals using collectors and depressants. This method achieved a molybdenum concentrate grade of 45.23% and a recovery rate of 84.18%.

3. Roasting-leaching method: The researchers tested the roasting-leaching method, in which the ore was roasted at high temperatures followed by leaching. This method achieved a molybdenum concentrate grade of 36.91% and a recovery rate of 55.06%.

4. Combination method: The researchers also tested a combination of flotation and roasting-leaching, in which flotation was used to recover molybdenum from the initial ore, roasting was used to remove residual sulfur from the flotation concentrate, and then the concentrate was leached to extract molybdenum. This method achieved the highest molybdenum concentrate grade of 49.16% and a recovery rate of 84.57%.

Overall, the study concluded that the combination method of flotation and roasting-leaching was the most effective method for extracting molybdenum from the ore in Qinghai. The study also highlighted the importance of mineralogical and morphological characterization in optimizing a beneficiation approach for a specific ore deposit.

Here is a table summarizing the findings from the beneficiation experimental study of a molybdenum ore in Qinghai, China:

|Beneficiation Method|Results|

|---|---|

|Mineralogy and characterization|The ore was found to have complex sulfide minerals and high refractory sulfur content.|

|Flotation method|Molybdenum concentrate grade of 45.23% and a recovery rate of 84.18% were achieved.|

|Roasting-leaching method|Molybdenum concentrate grade of 36.91% and a recovery rate of 55.06% were achieved.|

|Combination method|The highest molybdenum concentrate grade of 49.16% and a recovery rate of 84.57% were achieved.|

The above table summarizes the main findings of the beneficiation experimental study of a molybdenum ore in Qinghai, China. The mineralogy and characterization of the ore revealed the presence of complex sulfide minerals and high refractory sulfur content. The researchers tested different methods, including flotation, roasting-leaching, and combination method. The combination method of flotation and roasting-leaching was found to be the most effective, achieving the highest molybdenum concentrate grade and recovery rate. The study highlights the importance of mineralogical and morphological characterization in optimizing a beneficiation approach for a specific ore deposit.