Progress in Preparation of Nano-Sized Magnesium Hydroxide from Concentrated Seawater and Brine

The nanosized magnesium hydroxide is a valuable intermediate for chemical industry materials. This review covers the preparation methods of nanosized magnesium hydroxide using concentrated seawater or brine as raw material, including alkaline method, calcium method, ammonia method and other new methods. Additionally, the development trend of preparing nanosized magnesium hydroxide from concentrated seawater or brine was analyzed.