Preparation of red mud-based polyferric silicate aluminum flocculant via response surface optimization and evaluation of its performance in turbidity and fluoride ion removal.

This study explored the valorization of industrial solid waste red mud as a raw material for synthesizing a polyferric silicate aluminum (PSAF) flocculant. The key preparation conditions, including the molar ratios of n(Al):n(Fe), n(Al + Fe):n(Si), a…

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