Hi dear all,
As you it is clear, having good knowledge about PZC & IEP of valuable and waste minerals could lead to better results in selectivity of flotation!
The point of zero charge (pzc) is generally described as the pH at which the net charge of total particle surface (i.e. absorbent's surface) is equal to zero, which concept has been introduced in the studies dealt with colloidal flocculation to explain pH affecting the phenomenon.
The isoelectric point (pI, pH(I), IEP), is the pH at which a molecule carries no net electrical charge or is electrically neutral in the statistical mean.
Lets start discussion with the following questions:
1- what is difference of point of zero charge (PZC) & Isoelectric point (IEP) in flotation?
2- By considering of PZC & IEP for valuable and waste minerals what is the best pH arrangement in order to maximize selectivity of separation?
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