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| STUDY ON THE TECHNOLOGY FOR TREATMENT OF FERRUGINOUS WASTE HCl SOLUTION BY N235 EXTRACTION |
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Revised:May 10, 2002
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| KeyWord:Ferruginous waste HCl,Extractant N 235,Iron-acid separation,Reutilization, |
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| Abstract: |
| Using 25% N 235 65% kerosene 10% glycerine (in V/V),the waste HCl solution with Fe 3 concentration of 11g/L and HCl concentration of 5.85mol/L is treated.In the conditions of O/A=1 and one-step extraction,the extraction of Fe 3 is 99.8%.The HCl concentration of raffinate is 5.4mol/L and iron concentration of raffinate is below 0.05g/L.Iron-acid separation is realized.The HCl solution can be regenerated and reused.The extractive process is good in phrase separation without third phrase. |
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