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| Experimental study on the preparation of ultrafine zinc powder by hot-dip galvanizing slag |
| BU Er-jun1,2,3，XUE Xiang-xin1,3，YANG He1,3 |
1. Department of Resources and Environment, School of Metallurgy, Northeastern University, Shenyang 110819, China
2. Technology Center, Handan Iron and Steel Company, HBIS, Handan 056015, China
3. Institute of Metallurgical Resources and Environmental Engineering, Northeastern University, Shenyang 110819, China |
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Abstract The hot galvanizing slag from cold rolling mill was used as raw materials， ultrafine zinc powder was prepared by evaporation condensation method. Using new evaporation device and cooling device， effects of maximum evaporation temperature， temperature holding time， protective gas quantity， evaporation materials and cooling intensity on the yield of zinc powder and particle size distribution were studied. The resulting particle size distribution， chemical composition， XRD and microstructure of the ultrafine zinc powder were tested， and the causes and countermeasures of zinc powder conglobation were discussed.
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Received: 23 September 2015
Published: 29 August 2016
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2016, Vol. 26 
