Scheelite Flotation Collector—Y-17 Fatty Acid Sodium Salt
In recent years, the fatty acid with microbial fermentation system of sulphide ore collector, has attracted a lot of interest, because it is a fatty acid collector substitute another very promising source, and confirmed by experiment.
The effect is better than the average oleic acid substitute. Y-17 fatty acid sodium salt is the system of a microbe scheelite flotation collector developed by our country.
Y-17 fatty acid sodium salt is in1974, Shanghai institute of organic chemistry research units such as microbial collector of success, is a kind of mixed fatty acid sodium salt. Its appearance is soft solid tan, containing unsaturated acid about 79%, hydroscopicity,soluble in water, its aqueous solution, 5% still not set at 5°C, used as a collector can use cold water can also be used as configured to any concentration of less than 10% of the hot water.
Hunan some tungsten mines to use Y-17 grade of WO3 3.91% fatty acid sodium salt heating flotation of scheelite, and with the traditional 731 oxidized paraffin soap and oleic acid comparing test, the results are as follows:
The experiment results showed that the Y-17 separation effect is better than oleic acid, the income of the concentrate quality is better than oxidized paraffin soap, the recovery rate is closed to oxidized paraffin soap.
Y-17 fatty acid sodium salt is a new kind of collector scheelite, good selectivity, in normal conditions it can effective segregation from white scheelite to calcite, fluorite, quartz, the result is better than general oleic acid substitute, in ambient temperature condition can be obtained under the condition of the low sulfur, low silicon and high quality white tungsten concentrate, the indicators are better than that of oleic acid, in terms of quality is better than that of the oxidized paraffin soap. But Y-17 fatty acid sodium salt still belongs to the long chain hydrocarbon compounds, poorly soluble in water, poor plants. The flotation effect, pharmaceutical blister performance is weaker, not suitable for low concentration of roughing, if used with oxidized paraffin soap is beneficial to overcome the weakness of their own, improving the index of sorting.
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