1, xanthate such agents include xanthate, xanthate ester and so on.
2. Sulfur and nitrogen, such as ethyl sulphide, have a higher ability to capture than xanthate. It is the other lead from the ore, collecting capability strong brass ore pyrite for collecting capacity correction weak selective flotation faster, uses less than xanthate. The coarse-grained body of the sulfide ore has a stronger recovery than the copper-lead-sulfur-specific ore separation, and can obtain a better sorting effect than the xanthate.
3. Black medicine
Black drug is effective sulphide ore collector, which collector capacity than xanthate weak solubility same metal dihydrocarbyl dithiophosphate salt ions than those in the product of the corresponding xanthate salt large ions. Black medicine has foaming properties.
Commonly used black medicines in the industry are: No. 25 black medicine, butyl ammonium black medicine, amine black medicine, and naphthol black medicine. Among them, butyl ammonium black drug (ammonium dibutyl dithiophosphate) is a white powder, soluble in water, blackened after deliquescence, and has certain foaming properties, suitable for flotation of copper, lead, zinc , nickel and other sulfide ore. . The weak alkaline pulp has weaker ability to capture pyrite and pyrrhotite, and the lead in the other is more capable of collecting.
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