(I) Quartz beneficiation purification method and process flow of PTMS magnetic separator are generally determined by the following points: A occurrence state of impurity minerals in the raw sand; B. Beneficiation cost of purification process; C Industrial use of fine sand products.
(2) for general industrial use of fine sand quartz, as far as possible to choose a simple process to reduce the cost of purification. Recommended to choose scrubbing - desliming - magnetic separation process, can meet the quality requirements of the spirit.
(3) As for the high purity and ultra-high purity quartz used in high technology, it is necessary to further use flotation and acid leaching processes to purify the quartz sorted by PTMS magnetic separator again. High purity and ultra high purity quartz quality requirements are generally silica ≥99.99%, the mass fraction of iron oxide is less than 1×10-5, the purification process should not only strictly control the separation conditions, but also the corresponding purification PTMS magnetic separator equipment requirements are more strict, in order to prevent secondary pollution.
(4) The new purification process of high efficiency and strong scrubbing - grading - PTMS magnetic separator separation has been successfully used in the beneficiation and purification of quartz sandstone in a certain area, which overcomes the defects of iron secondary pollution and low yield caused by bar friction washing. This process is of great significance for quartz purification and impurity removal at low cost and high efficiency.
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The high field permanent magnet PTMS MAGNETIC SEPARATOR after energy saving transformation meets the requirements of sustainable development
