Method for reducing calcium sulfate deposition in P204 extraction and impurity removal process
A calcium sulfate extraction technology, applied in the field of hydrometallurgy, can solve the problems of labor-intensive cleaning, eradication, calcium sulfate crystallization blockage, and affecting extraction efficiency, and achieve the effect of reducing precipitation
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[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] This embodiment provides a method for reducing calcium sulfate deposition in the process of P204 extraction and impurity removal, by washing the P204 loaded organic phase after extraction, such as figure 1 As shown, the washing includes primary washing and secondary washing; water and hydrochloric acid are added to the P204 loaded organic phase during the primary washing process and the secondary washing process;
[0019] During a washing process, the flow of water is V 1 , the flow rate of hydrochloric acid is V 2 ;
[0020] During the secondary washing process, the flow rate of water is V 1 ’, the flow rat...
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