Scandium extraction resin desorption method
The invention discloses a scandium extraction resin desorption method, which belongs to the field of metallurgy and comprises the following steps: preparing a desorption agent; contacting the scandium-loaded resin with a desorption agent to obtain a desorbed liquid and a desorbed resin; enabling the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a scandium extraction resin desorption method, which belongs to the field of metallurgy and comprises the following steps: preparing a desorption agent; contacting the scandium-loaded resin with a desorption agent to obtain a desorbed liquid and a desorbed resin; enabling the desorbed solution to be in contact with the strip liquor, and stripping scandium; and contacting the desorbed resin with a degreasing agent. The desorption agent comprises an extraction agent and a diluent, the extraction agent is selected from one or more of an organic phosphoric acid extraction agent, a neutral phosphorus extraction agent and an organic carboxylic acid extraction agent, and the resin is amino phosphorus-containing resin. According to the method, a desorption agent is replaced by an extraction agent, so that scandium enters a liquid phase in an ion form in the desorption process, scandium precipitation and recovery are performed on the desorbed liquid, residual oil is washed by resin after desorp |
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