Lead-antimony-zinc sulfide ore bulk flotation collecting agent and preparation and application thereof
A mixed flotation and collector technology, applied in flotation, solid separation, etc., can solve the problems of unfavorable effects of separation and treatment of sulfide ore, complex symbiosis combination, unstable recovery rate, etc. The effect of collecting effect and reducing the cost of medicine
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[0020] 1) Preparation of emulsified kerosene: emulsifier (a mixture of Tween-20 and PEG-400 at a mass ratio of 1:1), kerosene and water are mixed at a mass ratio of 1:15:70, and the ultrasonic frequency is 20~40kHz. Emulsify for 40~50min;
[0021] 2) Mix tert-dodecanethiol (purity higher than 95%) and the emulsified kerosene prepared in step 1) at a mass ratio of 1:1, and use ultrasonic vibration to make it fully mixed. The ultrasonic frequency is 20~40kHz, and the mixing time is It takes 20~30min to prepare a mixed collector.
[0022] The prepared mixed collector can exist stably in the form of emulsion at room temperature for 60 minutes, and after adding water, the emulsion droplets d 50 Basically no change; foaming is good, the foam is small and uniform.
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