【摘要】 以钛白废酸、赤泥为原料,经过浸出、一次萃取反萃、酸溶水解、二次萃取、酸洗、二次反萃、草酸沉淀、精制等提纯工序,可得到纯度99.99%的Sc2O3。赤泥和钛白废酸中钪的回收率分别达到57.8%和93.3%。更多还原

【Abstract】 Sc2O3 with purity of 99.99% was prepared with titanium white waste acid and red mud as raw materials by processes of leaching,first-stage extraction and stripping,dissolution and hydrolysis,secondary extraction,acid washing,secondary stripping,oxalic acid precipitation and refining.The recovery of scandium from red mud and titanium white waste acid is 57.8% and 93.3%respectively.更多还原