Purification method of high purity quartz sand tailings
A technology of high-purity quartz sand and quartz sand tailings, which is applied in the field of processing technology for purification of high-purity quartz sand tailings, can solve the problems of complex purification process of quartz sand, great influence of waste acid solution, and high impurity content, and achieve Reduce energy loss, avoid pollution, and improve the effect of leaching rate
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Embodiment 1
[0030] A method for purifying high-purity quartz sand tailings, comprising the following steps:
[0031] Grinding: Use the tailings in the process of producing high-purity quartz sand as raw materials, initially crush the tailings particles of the quartz sand to 50-120 mesh, dry the ball mill for 2 hours, and use the vibrating sieve wet method to the obtained quartz powder after grinding Sieve to obtain quartz sand with a particle size of 80-150 mesh.
[0032] The ball mill is a vertical planetary ball mill, and the grinding medium of the ball mill is agate balls.
[0033] Strong magnetic separation: use wet strong magnetic separation of magnetic separator to remove the strong magnetic substances in the quartz sand, wherein the magnetic field strength of the magnetic separator is 1.3T.
[0034] Acid leaching: The magnetically separated quartz sand is subjected to acid leaching treatment to further remove metal impurities such as iron and aluminum, filtered and washed with ult...
Embodiment 2
[0043] A method for purifying high-purity quartz sand tailings, comprising the following steps:
[0044] Grinding: Use the tailings in the process of producing high-purity quartz sand as raw materials, initially crush the tailings particles of the quartz sand to 50-120 mesh, dry the ball mill for 2 hours, and use the vibrating sieve wet method to the obtained quartz powder after grinding Sieve to obtain quartz sand with a particle size of 80-150 mesh.
[0045] The ball mill is a vertical planetary ball mill, and the grinding medium of the ball mill is agate balls.
[0046] Strong magnetic separation: Wet strong magnetic separation with magnetic separator is used to remove the strong magnetic substances in the quartz sand. Among them, the magnetic field strength of the magnetic separator is 1.3T.
[0047]Acid leaching: The magnetically separated quartz sand is subjected to acid leaching to further remove metal impurities such as iron, filtered and washed with ultra-pure water ...
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