Cobalt and manganese sulfate mixed solution deep purification cadmium removing method
The invention discloses a cobalt and manganese sulfate mixed solution deep purification cadmium removing method. Firstly, raw materials including manganese chloride and sodium sulfide are added into areaction vessel for making a reaction, and amorphous-state gamma MnS is obtained through treatment a...
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| creator | KONG JINHUAN XU BIN NI HENGFA DONG GAOFENG YANG TENGJIAO SHANG HUIFENG TAO JIE |
| description | The invention discloses a cobalt and manganese sulfate mixed solution deep purification cadmium removing method. Firstly, raw materials including manganese chloride and sodium sulfide are added into areaction vessel for making a reaction, and amorphous-state gamma MnS is obtained through treatment after reacting; the pH value of a cobalt and manganese sulfate solution is adjusted to 0.5 to 1.5 atnormal temperature; the prepared amorphous-state gamma MnS is added for making a reaction under stirring; and after the reaction is completed, the content of cadmium ions in the solution is detectedto reduce the content to less than 0.002 g/L. By means of the method, preparation and storage of hydrogen sulfide gas are not required in the deep cadmium removal process, the leakage risks of pressure vessels and toxic gases are reduced, and the entire process is safe and environment-friendly. The method can reduce the Cd ion content in the cobalt and manganese sulfate mixed solution to less than0.002 g/L.
本发明公开了一种硫酸钴锰混和液深 |
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本发明公开了一种硫酸钴锰混和液深</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Cobalt and manganese sulfate mixed solution deep purification cadmium removing method |
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