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The extraction equipment ( Centrifugal extraction machine) Purification process phosphoric acid industry

by:Deyuan      2020-09-09
Phosphoric acid production process can be divided into hot and wet, hot method is made yellow phosphorus coke reducing phosphate rock under high temperature, then oxidized to phosphorus pentoxide by water absorption into phosphate, are products of good quality, but high energy consumption, has been replaced for wet, a secondary production method.
extraction device, Centrifugal extraction machine) Purification industrial process is wet phosphate apatite and get crude phosphoric acid by sulfuric acid decomposition, acid gas containing 20% 30% of P2O5 is still contain other impurities, must further purification to meet the requirements of different USES, though using precipitation can remove part of the metal impurity, but is not easy to get high quality products. The extraction equipment ( Centrifugal extraction machine) To purify phosphoric acid industrial process has become an important technology of the purification of hydrometallurgy.
extraction equipment in the application of the refined phosphate includes two aspects of content, one derived from phosphate removing metal impurities, secondly, the extraction of phosphoric acid from impurities, get the desired purity of the product. Specific extraction device, Centrifugal extraction machine) To purify phosphoric acid industrial processes as shown in the figure below:

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