What are the Danish aluminum hydroxide adjuvant production processes

Danish aluminum hydroxide adjuvant production process has sterilization operation, mixing. After sterilizing the preparation tank, the temperature inside the tank is controlled at 1-10 degrees. After adding 50-200 parts of phosphate buffer by weight to the said preparation tank, 10-80 parts of aluminum salt solution are added under stirring conditions and sodium hydroxide solution is added to adjust the ph value to 6.5-7.2.