Flocculation

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Nalco Company
WPS Headquarters 
1601 W. Diehl Road
Naperville, IL 60563-1198
630-305-1000  Phone
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7705 Highway 90-A
Sugar Land, TX  77478
281-263-7000  Phone

 

 

Flocculation for Liquid Solid Separation in the Mining Industries

Red mud removal requires the use of flocculants effective in bridging and entrapping fine red mud solids to rapidly separate the solids from the saturated liquor. This separation process occurs via decantation and subsequently in multiple counter current washing stages to reclaim soluble alumina and soda.

The more efficient the flocculant is in performing its function, the lower the cost of red mud separation. The more effective the flocculant is, the greater the potential for; increased alumina recovery, reduction in valuable soda losses, and minimization of negative downstream effects.