CAJ | 학술논문

青海某低品位磷矿石中，含磷3．52％、钾3．77％、全铁8．88％，根据矿石性质，采用粗磨分级-粗粒重选、细粒浮选工艺，获得了P 2O 5（品位）32．01％，回收率92．85％的磷灰石精矿，为现场开发利用提供了技术依据。
청해모저품위린광석중，함린3．52％、갑3．77％、전철8．88％，근거광석성질，채용조마분급-조립중선、세립부선공예，획득료P 2O 5（품위）32．01％，회수솔92．85％적린회석정광，위현장개발이용제공료기술의거。
A low grade apatite ore from Qinghai contains P 2 O53.52%, K2 O 3.77%,TFe 8.88%, and magnetite accounts for 28 .86%of the iron minerals .According to the ore property ,a process of coarse grinding and classification -coarse particle gravity separation -fine particle flotation was a-dopted and an apatite concentrate was obtained .The content of P2 O5 was 32.01%,with a recovery of 94 .85%.The tests provide a technique basis for the exploitation practice of this deposit .