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| Dolime or lime is reacted with sea water to form magnesium hydroxide. The magnesium hydroxide is purified by several purification steps, and dewatered by settling. | | |
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| The magnesium hydroxide slurry is further dewatered by rotary filters, forming a magnesium hydroxide paste. | | |
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| The magnesium hydroxide paste from the filtration plant is calcined in rotary kilns at temperatures ranging from 700 to 1100°C, forming dry magnesium oxide or hydroxide powder. The product is finally milled, stored on silos and packed in 25 kg sacks, big bag or bulk. | | |