Experimental Investigation on Oxidation Roasting of High Titanium Slag
Received:January 08, 2016   Revised:January 14, 2016   Accepted:January 15, 2016      Published Online:August 31, 2016
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KeyWord:artificial rutile;oxidizing roasting;temperature; quality
                       
AuthorInstitution
LIAO Xue-feng State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
LIU Qian-qian State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
HU Tu State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
CHEN Guo State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
CHANG Xiao-dong State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
CHEN Hu-fei State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
ZHANG Li-bo State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
PENG Jin-hui State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming
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Abstract:
      For industrial quality requirements for synthetic rutile, the effect of calcination temperature on growth rate, TiO2 content, sulfur content and carbon content of high titanium slag was studied. The resultsSshow that the oxidation reaction of low metal compounds of high titanium slag has been occurred under the conventional roasting, and with the increase of the calcination temperature, the oxidation reaction more easily, the change of sample weight more obvious. And TiO2 content due to the increase of the total weight of sample show a downward trend, the impurities of sulfur and carbon combines with oxygen generated SO2, CO and CO2 evolution at high temperature.
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