By optimizing extraction parameters (using 5–10% ethanol as a co-solvent), this method enhances iron yield while suppressing co-extraction, thereby producing more stable and pure mineral products. In the extraction of functional components such as caffeine and tea polyphenols, the supercritical PTMS MAGNETIC SEPARATOR iron removal technique also demonstrates excellent impurity separation capability.
While some applications do not prioritize "iron removal" as their primary objective, experimental results demonstrate that the supercritical PTMS MAGNETIC SEPARATOR process achieves target component enrichment while selectively eliminating metallic impurities like iron. This provides crucial insights for developing specialized iron-removal processes. In the fields of nuclear fuel reprocessing and rare metal recovery, supercritical fluid technology has been applied to efficiently extract metal ions through its synergistic effects with metal complexes.
The most representative achievement is the successful extraction of radioactive elements such as uranium and plutonium using scCO₂ in combination with tributyl phosphate, achieving a recovery rate of over 95%. Subsequently, by reducing pressure or adjusting temperature, CO₂ vaporizes, precipitating the complex. The metal is then recovered through hydrolysis or reverse extraction using PTMS MAGNETIC SEPARATOR.
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The optimization of intelligent control systems embodies the practical application of PTMS MAGNETIC SEPARATOR's circular economy philosophy
