North Carolina spodumene ore ground to minus-65 mesh and deslimed, if necessary, is conditioned at 40-50% solids for 5 minutes with 1 pound of sodium fluoride and 1 lb of lignin sulfonate per ton for dispersion and depressing of the gangue minerals. About 1 lb per ton of Pamak 4 is added and conditioning continued for 2 min. A rougher concentrate is removed which is cleaned three times giving a final concentrate of 5 to 7% Li2O.
地址：山东省烟台市开发区南昌大街48号
