Thorium (Th) is an associated ore of rare earth metals that is radioactive and harmful to the environment. but it is also a potential nuclear fuel replacement for uranium. The separation of Th from rare earth elements (REEs) is of great importance in environmental governance and clean-energy development. In this work. https://www.roneverhart.com/AMS-Neve-1073SPX-Single-Preamp-and-EQ-p33827/