

Oct 28, 2020· What is claimed is: 1. In the process of concentrating a sulfide mineral by froth flotation from an aqueous pulp of an ore containing such mineral, the improvement comprising using as at least part of the aqueous phase of the pulp sewage treatment plant water effluent conditioned prior to use with at least about 3 parts per million of a …























































یک پیام ارسال کرد