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| Study on Improving Leaching rate by Extracting from Dust of ZnO |
| Received:April 23, 2015 Revised:May 03, 2015 |
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| DOI： |
| KeyWord:Dust; Improve; Leach; Study |
| Author | Institution |
| shaochuanbing |
Institute for Metallurgy and new materials of NWIMM |
| Lishourong |
Institute for Metallurgy and new materials of NWIMM |
| Malinting |
Institute for Metallurgy and new materials of NWIMM |
| Zhang-enyu |
Institute for Metallurgy and new materials of NWIMM |
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| Abstract: |
| With lead and zinc smelting output of zinc oxide fumes as raw material, neutral leaching, leaching slag countercurrent two acidic leaching through the key factors of temperature, acidity, time and help infusions and other analysis, studies to determine the most good test conditions: after neutral leaching, leaching slag at 160g / L at low acid leaching, leaching residue then using 200g / L acidity, adding 0.8g / kg pyrolusite powder dust, leaching temperature 70 ~ 80 ℃, time under conditions of high acid leaching 1h, zinc, indium total leaching rate reached 99% and 96%, respectively. |
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