摘要
河北武安硬质高岭土粉含Fe2 O3 1 2 3% ,经高梯度磁选后降至 0 77% ,再用Na2 S2 O3 进行还原溶解后降到 0 6 2 % ,白度提高了 13% 。
The kaolin fines from Heibei Wuan contain 1 23% Fe 2O 3 Which is reduced magnetic separatior,then to 0 62% after treatment by Na 2S 2O 3 powder.Besides,the whiteness of kaolin fines in increased by 13%.The conditions,flowsheet,process and results of research test are introduced.
出处
《中国矿业》
北大核心
2002年第3期67-68,51,共3页
China Mining Magazine
