Effect of slurry temperature on flotation process of tungsten ore beneficiation equipment

What is the effect of slurry temperature on the flotation process of tungsten ore dressing equipment? The flotation process is similar to many physical and chemical processes. The temperature rise will undoubtedly accelerate the flotation process and improve the flotation index. However, most flotation plants currently perform flotation at room temperature. Warm flotation is only used when certain agents must be effective at a certain temperature, or when certain processes have special requirements. What are the specific effects can be seen in the following points:

(1) Effect of slurry temperature on dosage and effect of medicament

1 part of the oxidizing ore flotation plant using fatty acid collectors , often the pulp is heated to about 20-35 Â° C for sorting, so as to improve the dispersion and utility of fatty acid collectors, reduce the flotation agent The amount of use significantly improves the technical choice of flotation.
2 The effect of temperature on saturated fatty acids is greater. For example, oxidized paraffin soap is a soap salt mainly composed of saturated fatty acids. When the temperature is lower than 40 Â° C, the collection performance is not as good as that of oleic acid, but when the temperature is close to 70 Â° C, the collection performance is worse than that of oleic acid. Even if it is used with other medicines, the pulp needs to be heated to 30-34 Â° C, and the oxidized paraffin soap has better collection performance.
3 In order to accelerate the dissolution of the amine collector, it is often heated during the preparation process.

(2) Desorbing the adsorbed collector film

â‘ sulfide mineral surface has been adsorbed xanthate, lime, by heating and stirring, may be "removed so that a thin film of mineral collectors is then added inhibitor, separation of multi-metallic ore.
2 The slurry is heated separately, and the minerals can be separated according to the degree of desorption of the collector film of various mineral surfaces. When sulfur such as zinc mixed concentrate was separated, should this method, without any agent that pyrrhotite, pyrite judged by inhibition, free zinc can be floated.
3 pulp heating, can also improve the floatability of fine minerals. Elimination of de-mixing operations, shortening the mixing and flotation time, and reducing tailings pollution caused by overdose.

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