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PTMS magnetic separator The clay is close to zero electric point
published date: 2022/11/8

magnetic separator conveyor

PTMS magnetic separator The selected clay is stored in the slurry barrel for 6 ~ 8h. The pH is adjusted to 3 ~ 4, which is close to the zero electric point of the clay, so the clay particles are easy to aggregate. The addition of alum to the pulp is helpful for the agglomeration of clay particles and can promote dehydration. The cylindrical PTMS filter is a common dewatering device, which can increase the pulp concentration to 55%~60%. One of the important functions of filtration is to remove chemicals from the clay.

PTMS magnetic separation


Water spray is often used to enhance this operation. Spray drying has become a very effective process in the clay industry, but it is expensive. There is also a new filtration process that utilizes the electrophoretic properties of charged particles in the electric field. When pH>3, kaolin particles are negatively charged and surrounded by ion fog with opposite charge, forming a double electric layer. PTMS magnetic separator can improve product whiteness.

what is magnetic separation in Feldspar?

 
In the electric field, the clay particles move towards the anode, and in the ion fog, the coordination ions move towards the cathode. When the particles arrive at the anode, they are used to protect the anode film formed on the filter cake, PTMS magnetic separator can improve the whiteness of the product. The anode filter cake was further dehydrated by electroosmosis and the excess water was pumped through the negatively charged filter cake capillary according to the principle of electroosmosis.
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