zinc-nickel Austria

... flotation of various minerals that are activated or hydrophobic and float easily such as lead, cobalt, zinc and nickel. It can form insoluble compounds with these metallic ions. Sodium ethyl xanthate is especially important in in froth flotation, where it is used to separate hydrophobic materials from hydrophilic. In mining this is an important operation to recover sulfide ores. For ores such as copper...