Obtained from the reaction of alumina with concentrated hydrochloric acid, it is available in various Al2O3 titrations from 10 to 18%. It is widely used as a flocculants for water purification, for the treatment of industrial and urban wastewater and contributes to reduce the phosphates contained in detergents. It is also used in the paper industry. For the treatment of water in particularly difficult conditions due to turbidity, pH and temperature, the version with very high basicity is also available, from 62 to 72%.
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