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Kaolin is used in spacecraft and space shuttle high-temperature porcelain parts after iron removal by PTMS Magnetic Separator
published date: 2022/10/24

feldspar mineral processing

With the rapid development of science and technology, kaolin has been applied in a wider range of fields. Some high-tech fields use kaolin as a new material in large quantities. Even the high-temperature resistant porcelain parts of atomic reactors, spaceships and space shuttles are also made of kaolin. The following is an introduction of kaolin PTMS Magnetic Separator beneficiation method and beneficiation process flow.

PTMS magnetic separator

 
Hydraulic classification mainly includes spiral classification (+1mm coarse sand), sedimentation tank classification (separation of +0.053mm fine sand), hydrocyclone classification (separation of -0.053mm fine sand), centrifugal classifier or small diameter hydrocyclone classification (for 0.002 ~ 0.010mm ultrafine particle classification).
PTMS Magnetic Separator is used to produce magnetic field strength of 1 600kA/m, remove Fe2O3 and TiO2 in kaolin, and produce raw materials for paper coating and advanced ceramics.

what is magnetic separation method?


Flocculant was added and PTMS Magnetic Separator was selected to separate fine quartz, pyrite, alum and other impurities to produce scraper coated kaolin. The flocculant contains sodium hexametaphosphate, ammonium polyacrylamide, sodium silicate, etc.
Adding bleaching agents such as insurance powder can reduce the high iron of limonite and hematite in kaolin to soluble ferrous iron, or adding oxidants to oxidize pyrite and dye impurities to improve the whiteness of kaolin.
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