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对于从加拿大的一个铀水冶厂取来的尾矿(一种含黄铁矿的石英砾岩矿石)进行了浸出研究。选用了静态浸出试验方法来估价 ~(226)Ra 的释出对环境的危害。粒度为53—75微米的两种物料被浸出了≤70天:一种是直接从尾矿管线上取得的物料,另一种是巳在尾矿池内风化了
Tailings (a quartzite conglomerate ore containing pyrite) taken from a uranium watermelon plant in Canada were subjected to leaching studies. Static leaching test was used to evaluate the environmental hazard of ~ (226) Ra release. Two materials with particle sizes of 53-75 microns were leached for ≤70 days: one was the material taken directly from the tailings line and the other was weathered in the tailings pond