Abstract: Beneficiation experiments were carried out，aiming at problems of high content of mud and bad flotation index of low grade spodumene ore from Jiangxi Province.Results show that with 300 g/t sodium carbonate + 450 g/t t sodium hydroxide adding in grinding mill，at grinding fineness of 0.076 mm accounted for 70%，-0.15 mm grade fraction deslimed，then with sodium carbonate，sodium hydroxide，calcium chloride as unite adjusting agent，modification oleic acid as collector via one roughing-three cleaning-one scavenging closed circuit flotation process，spodumene concentrate with Li₂O grade of 4.45% and recovery of 74.17% was obtained，Li₂O grade increased by 0.39 percentage points，recovery increased by 12.59 percentage points compared with on-site process；tailings of spodumene flotation via low intensity magnetic separation-high gradient high intensity magnetic separation，feldspar concentrate with Fe₂O₃ grade of 0.18% was obtained.

Key words: Spodumene ore, Modified oleinic acid, Desliming, Magnetic separation