关键词: 锰矿物, 强磁选, 伴生锰矿, 综合回收

Abstract: A lead-zinc flotation tailings contain manganese carbonate，manganese silicate，manga‐ nese oxide and other manganese minerals. In order to comprehensively recover the associated manganese minerals in the tailings，three different high-intensity magnetic separation process tests are carried out， and the manganese concentrate obtained by high-intensity magnetic separation is subjected to low-intensi‐ ty magnetic iron removal test.The test results show that under the condition that the ore sample is associat‐ ed with a very low manganese grade of 6.41%，the manganese concentrate with yield of 16.91%，manga‐ nese grade of 20.68%，and manganese recovery rate of 54.53% can be obtained through high intensity mag‐ netic one roughing one cleaning one scavenging-concentrate low intensity magnetic iron removal process. It can be used to smelt high-carbon ferromanganese or ore blending for smelting manganese alloys.The com‐ prehensive recovery and utilization of associated manganese minerals lead-zinc tailings is realized，which provides a useful reference for the development and utilization of this kind of associated manganese mineral resources.

Key words: manganese minerals, high intensity magnetic separation, associated manganese ore, com‐ prehensive recovery