Abstract:Aluminum salt-based coagulants are widely used for fluoride removal in the world. However, there is little information about the mechanism of fluoride removal by aluminum salt. The present study aimed to elucidate the mechanism of fluoride removal using aluminum sulfate. The coagulation mechanism is generally composed of three types, clathration by aluminum hydroxide, chemisorption and physical adsorption by the Van der Waals force. Jar tests were performed under two conditions, with or without clathration, an… Show more
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