Spatiotemporal Distribution and Regional Disposal Strategy of Rare Earth Waste Residue in China
Part of the waste residue generated during the development and utilization of rare earth re-sources belongs to the associated radioactive solid waste.The safe and effective disposal of this type of waste residue is an urgent problem that needs to be solved in the current development of the rare earth industry.By the method of investigation and analysis,based on the types and sources of rare earths,statistics were conducted on the types,yields and radioactive nuclide activity levels of waste generated during the mining and selection process.Combined with the development plan of the rare earth indus-try,the stock and increment of rare earth waste in typical provinces(autonomous regions)were pre-liminarily estimated.And the current status and existing problems of the treatment and disposal of rare earth associated radioactive waste residue were sorted out.On this basis,a strategy for regional landfill disposal is proposed:it is recommended to implement a 7+x model nationwide,and to build rare earth waste residue warehouses in major rare earth provinces(autonomous regions),with refer-ence to the model of Baotou in Inner Mongolia,to collect and dispose of rare earth associated radioac-tive waste residues in the provinces(autonomous regions).Based on the estimated amount and incre-ment of waste residues,suggestions for the scale of rare earth waste residue disposal in each province(autonomous region)are provided.
万方数据
维普
