The centrifugal extractor uses solvent extraction to extract metal antimony and bismuth from copper electrolyte. The CWL-M centrifugal extractor developed and produced by Zhengzhou Tiei Extraction can be used with solvent extraction method to extract metal elements in the field of hydrometallurgy.
In the process of extracting antimony and bismuth from copper electrolyte, the extraction system of N1923+sulfonated kerosene+isooctanol is used, and the extraction is carried out by CWL-M centrifugal extractor, which can achieve good extraction effect. The extraction rate of antimony and bismuth is above 90%, and it will not cause copper loss and has no effect on the electrolysis process.
There are traditional electrolytic method and continuous induced copper and arsenic removal technology for removing impurities from copper electrolyte, but with the continuous development of science and technology, centrifugal extraction technology has been widely used in the removal of impurities from copper electrolyte. CWL-M series centrifugal extractor is used to extract antimony and bismuth from copper electrolyte. They have high antimony and bismuth extraction rates, strong targeting, low energy consumption, and are suitable for continuous industrial production.
When centrifugal extractor is used to extract antimony and bismuth, the acidity of the organic phase has a certain influence on the extraction effect of antimony and bismuth according to the characteristics of the feed aqueous. When N1923 is extracted under acidic conditions, the acidity increases and the extraction rate increases accordingly. However, when the acidity is too high, the extraction rates of Sb and Bi decrease, so there is an optimal extraction acidity.
The copper electrolyte extraction equipment uses a multi-stage countercurrent extraction process of the centrifugal extractor, which has a significant effect.
Advantages of Zhengzhou Tiei Extraction CWL-M Centrifugal Extractor
- High processing efficiency and large processing capacity: The processing capacity of the centrifugal extractor can reach 1-150 cubic meters per hour, and the separation effect is very good. It also has good extraction and phase separation effects for materials with small density differences.
- High degree of automation: Centrifugal extractor can be used in series with multiple devices. The high degree of automation can not only better detect various data, but also make operation and management easier.
- More energy-saving: Under the same processing capacity, its power consumption is 1/10~1/3 of that of traditional annular gap centrifugal extractor.
- Good corrosion resistance: The equipment can be made of perfluorinated polymer materials and can withstand corrosion from strong acids (hydrochloric acid, mixed acids, etc.).
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