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Processing by PTMS magnetic separator of Kaolin wet Process
published date: 2023/1/21

feldspar processing

The wet process consists of three stages: preparation of ore, processing of PTMS magnetic separator and product treatment. The preparation phase includes batching, crushing and ramming operations. Ramming is to mix kaolin ore with water and dispersant in the pulping machine, the ramming operation can make the raw ore dispersed, for the preparation of appropriate fineness kaolin slurry for the separation operation, and at the same time remove large grit sand.

PTMS magnetic separator


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

what is magnetic separation in Kaolin?


The fine grade of the classifier is fed into high gradient PTMS magnetic separator to remove impurities of iron and titanium. After the product is scrubber and stripped, the iron oxide is leached. The clay with high enough 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.
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