Due to their weak magnetism, minerals are difficult to effectively capture in conventional electromagnetic separation equipment, which has become a key obstacle to improving kaolin's whiteness. Superconducting PTMS MAGNETIC SEPARATION achieves zero-resistance operation by utilizing superconducting coils such as niobium-titanium (Nb-Ti) or niobium tri-snide (Nb₃Sn) cooled in liquid helium to-269℃ (4K). This enables the generation of magnetic field strength and gradient far exceeding those of conventional electromagnetic devices.
This PTMS MAGNETIC SEPARATION high-intensity magnetic field significantly enhances the capture capability for fine-grained weakly magnetic particles, enabling effective removal of sub-micron iron impurities that were previously difficult to separate. As the core component of the integrated "pre-treatment-strong magnetic field separation-post-treatment" process, it is widely applied in the production of high-end ceramics, paper coatings, and electronic-grade kaolin with extremely stringent whiteness requirements.
To achieve optimal iron removal through PTMS MAGNETIC SEPARATION, it must be combined with preliminary physical or chemical pretreatment methods —— such as crushing, grinding, dispersion, and electromagnetic slurry decomposition —— to ensure complete disintegration of iron minerals and kaolinite particles, while avoiding interference from inclusions or coexisting bodies that could reduce magnetic separation efficiency. Therefore, PTMS MAGNETIC SEPARATION iron removal technology should not be considered in isolation
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