Abstract:With the rapid development of society, scandium resources have become important strategic resources. At present, the resources available for direct utilization are exhausted, so the method of beneficiation and enrichment has become the key to the effective utilization of resources. The grade of Sc2O3 in Xichang Sanyuan stone waste is 68g / t, which can not meet the production requirements, so the ore needs to be enriched and recovered. The study of process mineralogy showed that the content of Sc2O3 in pyroxene and amphibole were relatively large, and they were the main scandium bearing minerals recovered by beneficiation. In this paper, through grinding fineness, pH test of collector and reagent dosage test, the flotation process of "one roughing, one scavenging and one cleaning, cleaning tailings and then scavenging was determined; The final grinding fineness is - 200 mesh, accounting for 95%; The dosage of crude sodium oleate was 250g / t, and the dosage of sodium hydroxide was 2200g / t; Under the conditions of 150g / t sodium oleate and 500g / t sodium hydroxide, a better index of Sc2O3 concentrate grade of 79.75g/t and recovery of 65.11% was obtained, which aimed to provide a certain reference for the recovery and utilization of scandium.