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Handout - K+S Aktiengesellschaft

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Potash and Magnesium Products<br />

Potash Processing above Ground<br />

Thermal<br />

dissolution<br />

Flotation<br />

Electrostatic<br />

separation<br />

(ESTA ® )<br />

heating<br />

25 °C 110 °C<br />

mother brine<br />

undissolved<br />

residue<br />

+ dissolved<br />

KCl<br />

95 °C<br />

finely<br />

ground<br />

crude salt<br />

filtering<br />

flotation<br />

agent<br />

air<br />

bubbles<br />

flotation<br />

brine<br />

finely<br />

ground<br />

crude salt<br />

triboelectric<br />

charging<br />

finely ground<br />

crude salt<br />

-<br />

conditioning<br />

+<br />

filtering<br />

cooling<br />

filtering<br />

and<br />

drying<br />

separation<br />

in a free<br />

fall separator<br />

Potassium chloride<br />

(KCl) and Kieserite<br />

Residue<br />

(NaCl)<br />

Residue<br />

(NaCl)<br />

Potassium chloride<br />

(KCl) and Kieserite<br />

Residue<br />

(NaCl)<br />

Potassium chloride<br />

(KCl) and Kieserite<br />

January 2013 <strong>K+S</strong> Group 90

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