Brief Introduction of Various Xanthates

Alkyl xanthates that are currendy used in flotation industry mainly include ethyl xanthate and propyl xanthate in China. But propyl xanthate and i-butyl xanthate are employed mostly in other countries. The main reason lies in that is propyl xanthate and j-butyl xanthate have the advantage of low price and broad source. 

The synthetic technology of isomerous xanthate is similar to that of normal xanthate. For example, the synthesis conditions of isobutyl xanthate with direct synthesis technique are as follows  

The collecting capability of isobutyl xanthate is equal to or higher than that of n-butyl xanthate. Two examples for the flotation of copper ore using butyl xanthates as collectors can be seen as follows  

Mine Reagent Dosage (g/t) Raw ore grade %) Concentrate grade (%) Recovery rate (%) 

For those long-chain alkyl xanthates such asn-amyl and i-amyl xanthates, they are able to be applied in the flotation process of the presulfied CuO, PbO, and ZnO. 

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