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The finishing process of kaolin is purified by PTMS Electromagnetic Separator
published date: 2024/2/16

Mineral processing equipment

When the pH value subsequently decreases, sodium dithionite immediately reacts with the iron oxide in the kaolin slurry, and the PTMS Electromagnetic Separator is used in time, thus avoiding the decomposition loss of sodium dithionite. In the reduction complex removal method, after the trivalent iron in kaolin is reduced to divalent iron by sodium disulfite, if the product is not immediately filtered and washed, the yellowing phenomenon will occur.

PTMS magnetic separation


The more effective way to solve this problem is to add complexing agent, so that the bivalent iron ion can be complexed and no longer easily oxidized. PTMS Electromagnetic Separator A wide range of reagents are used to complex iron, including phosphoric acid, polyvinyl alcohol, hydroxylamine, hydroxylamine salt, oxalic acid, polyphosphate, ethylenediamine acetate, and citric acid.

what is magnetic separation method?


The finishing process of kaolin has to go through a series of processes such as purification and classification, peeling, PTMS Electromagnetic Separator and chemical bleaching. Due to the relatively high cost of chemical bleaching, it is necessary to make full use of the previous several processes in industrial production to beneficiate kaolin, remove iron, and then chemical bleaching to minimize the amount of pulp processed by the bleaching process and reduce the amount of bleach.
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CHINA CLAY PTMS magnetic separation 20240216

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