Method Of Refining Aluminum Hydroxide

Aluminum hydroxide is an inorganic substance with the chemical formula Al(OH)3, which is a hydroxide of aluminum. Aluminum hydroxide can react with acid to form salt and water, and also with strong base to form salt and water, so it is an amphoteric hydroxide. Because it shows a certain degree of acidity, it can also be called aluminate.

The principle is to use sodium hydroxide solution to warm the aluminum hydroxide in the bauxite. After the aluminum hydroxide solution is separated from the red mud, the temperature is lowered, and aluminum hydroxide is added as a seed crystal. After a long time of stirring, the sodium aluminate is separated. Analyze aluminum hydroxide. Bayer process drying aluminum hydroxide is obtained by drying aluminum hydroxide crystal water by waste heat, which is currently the main raw material for glass.