【美国《核燃料》1984年6月4日报道】佩奇奈伊铀公司已经发展了一种从粘土矿中经济地回收铀、金和其他物质的新方法。这种矿石中不是粘土含量高,就是粘土很分散或很易膨胀。新方法可使粘土变成渗透性好的颗粒状物料。它改善了常规的固液分离技术,如过 [U.S. “Nuclear Fuels” reported on June 4, 1984] Pechenie Uranium Company has developed a new method for the economic recovery of uranium, gold and other materials from clay minerals. This kind of ore is not high in clay content, that is, clay is very scattered or very easy to expand. The new method can make the clay into a good granular material with good permeability. It improves the conventional solid-liquid separation technology, such as