| 摘要 |
PURPOSE: A removal method of harmful brine/magnesium chloride impurities from bay salt is provided to remove the brine/magnesium chloride impurities without damaging minerals. CONSTITUTION: A removal method of harmful brine/magnesium chloride impurities from bay salt; generating steam by ultrasonic waves; spreading the bay salt in a sealed pressurizing container into the thickness of 5cm; and pressurizing the bay salt with the air pressure of 1.5~2kg using the generated steam, for impregnating the steam into the bay salt.
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