| abstract |
The invention relates to a froth flotation collector for use in froth flotation comprising - at least 20 wt% lignin particles, which particles have a size of 5 µm or less, - optionally between 10 and 80 wt% of another collector selected from the group comprising xanthates, dithiophosphate, and dithiocarbamate or any mixtures thereof, and - optionally up to 100 wt% of one or more regulators selected from the group comprising a) activator, b) frother, c) depressant, and d) pH regulator, and wherein wt% are percentages of a total weight of the froth flotation collector. The invention also relates to a use of said froth flotation collector in froth flotation for separation of minerals, such as sulphide minerals. |