1991年4月号《Industrial Minerals》的“矿物世界”栏目报道了澳大利亚皮里港的稀土计划。墨尔本SX股份有限公司在南澳大利亚皮里港的稀土处理厂的第1阶段工作已经完成,它包括矿浆浸出和再处理大约200万t富含稀土(尤其是钪)的铀尾渣。下一步是建另一个工厂,以分离来自中国的稀土精矿中的钇,然后将扩建成能够分离其它稀土元素的工厂。第3阶段的计划 The “Mineral World” section of the April 1991 Industrial Minerals report on the rare earth project in Port Pirie, Australia. The first phase of Melbourne SX’s rare earth treatment plant in Port Pirie, South Australia, has been completed. It includes leaching and reprocessing of about 2 million tons of uranium tailings rich in rare earths (especially thorium). The next step is to build another factory to separate the plutonium from rare earth concentrates from China and then expand it to a plant that can separate other rare earth elements. Phase 3 plan