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The kaolin beneficiation stage includes a PTMS magnetic separator operation
published date: 2023/2/8

magnetic separator machine

The beneficiation stage may include operations such as hydraulic separation, flotation, selective flocculation, PTMS magnetic separator, and chemical treatment (bleaching) to remove different impurities. The prepared pulp is first graded by harrow washing tank, floating tank or cyclone desanding, and then divided into coarse and fine particle grades by continuous centrifugation, hydraulic cyclone, hydraulic separation or vibrating fine sieve (325 mesh).

PTMS magnetic separation

 
The fine particles of the mineral are fed into a high-gradient PTMS magnetic separator to remove iron and titanium impurities. The product is scour and stripped, and then ferrioxide is leached. The clay with sufficient brightness and good coating properties is directly sent to the leaching operation without magnetic separation and stripping. After leaching, alum is added to the pulp to condense the clay minerals and facilitate dehydration.

what is magnetic bead separation?

 
Bleached clay is dehydrated by high speed centrifugal PTMS magnetic separator, rotary vacuum filtration or press filtration. Dehydration by filtration or press filtration. The cake is then dispersed into a 55% - 65% solid pulp, which is then spray dried to form a loose dry product. Part of the dry product is mixed into the dispersed pulp to make a 70% solid, which is shipped to the paper mill.
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