Difference Between Flocculation and Antiflocculation Suspensions

 

Deepening the basic concept of flocculating suspension

Flocculation suspension refers to the process of accelerating sedimentation or flotation by adding flocculants to make the particles suspended in the liquid aggregate and form larger flocs (flocs). Flocculation is widely used in water treatment, mineral purification, food processing and other industries, and its core role is to improve the solid-liquid separation efficiency and make the liquid phase clearer.
The essence of flocculation suspension formation is to destabilize the colloid through external intervention. To sewage treatment plants, for example, the suspended solids in the raw water particle size is usually between 0.110μm, the natural settlement rate is only 0.01mm/min. After adding flocculants, the particles are aggregated into 5002000μm flocs, the settlement rate can be increased to 510mm/min, the efficiency of the increase of more than 500 times. This phenomenon is especially critical in the tailings treatment in the mining industry, a copper mine using polymerized ferric sulfate treatment, the concentration of thickener underflow from 35% to 58%, significantly reducing transportation costs.

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