Process Design of Continuous Precipitation and Continuous Filtration of Ion-Absorbed Rare Earth Separation Plants
For the low automation level of ion-absorbed rare earth separation plant,the production process,equipment configuration and automatic control of continuous precipitation and continuous filtration process in precipitation process and filtration process were introduced.The technical and economic advantages compared with the batch precipitation and batch filtration process were analyzed.After adopting this process,the production efficiency and automation level are greatly improved,and the labor amount and labor intensity of workers are significantly reduced,the consumption of new water and the output of wastewater can be reduced by about 25 m3/t,and the direct processing cost of products can be reduced by about 2 300 yuan/t.
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