METHOD FOR MANUFACTURING ALUMINUM SALT SOLUTION, ALUMINUM SALT SOLUTION, ALUMINUM SALT, WATER PURIFYING APPARATUS USING THE SAME, AND ARTICLES MANUFACTURED BY USING THE SAME

摘要

The invention Bayer method (Bayer process), TC (total carbon content) is less than 0.04 mass%, and T-Na ₂ O (total of Na ₂ O amount) of aluminum using an aluminum hydroxide is less than 0.3% by mass as a raw material obtained by the It relates to a process for producing an aluminum salt solution, which comprises preparing the salt solution.; Aluminum hydroxide, an aluminum salt, the aluminum salt solution, black scum, coloring