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| Experimental investigation on microwave roasting of Panzhihua titanium slag |
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Received:May 05, 2017
Revised:May 09, 2017
Accepted:May 10, 2017
Published Online:March 01, 2018
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| DOI： |
| KeyWord:synthetic rutile; welding rod; microwave roasting; temperature |
| Author | Institution |
| Zheng Xiaoying |
Kunming Metallurgy College |
| Chen Hufei |
Key Laboratory of Unconventional Metallurgy, Ministry of Education |
| Liu Qianqian |
Key Laboratory of Unconventional Metallurgy, Ministry of Education |
| Liao Xuefeng |
Key Laboratory of Unconventional Metallurgy, Ministry of Education |
| Peng Jinhui |
Key Laboratory of Unconventional Metallurgy, Ministry of Education |
| Chen Guo |
Key Laboratory of Unconventional Metallurgy, Ministry of Education |
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| Abstract: |
| In recent years, due to the rapid development of chlorination of titanium pigment process and welding rod industry, the demand for high-grade synthetic rutile showed rapid growth trend. In this paper, the experiment of microwave roasted Panzhihua titanium slag was investigated, the effect of calcinations temperature on growth rate, titanium dioxide content, sulfur content and carbon content of the titanium slag were studied. The results revealed that the low valence titanium was gradually oxidized to high valence titanium of titanium samples under the condition of microwave roasting. With the increase of calcinations temperature, the oxidation effect was better. Besides, the weight gain of samples increased first and then decreased. Moreover, the grade of titanium dioxide showed a trend of decreasing and then increasing, and the content of sulfur and carbon decreased with the formation of SO2, CO and CO2 from the reaction with oxygen during the calcinations process. |
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