Study on the Preparation of Ti-enriched Slag by Chemical Beneficiation of Red Mud AITranslate
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The preparation method of Ti-enriched slag was studied by hydrochloric acid leaching of impurities from red mud. The effects of hydrochloric acid concentration, leaching temperature, liquid-solid ratio and leaching time on titanium dioxide grade of Ti-enriched slag were investigated. Phase transformation and action mechanism of the acid leaching process were analyzed by ICP-AES and XRD. The results show that under the conditions of hydrochloric acid concentration of 30%,leaching temperature of 80 ℃,liquidsolid ratio of 7 ： 1 and leaching time of 60 min, the titanium dioxide grade of Ti-enriched slag can reach 24 %. With the increase of concentration of hydrochloric acid, calcite in the red mud disappears, the hema- tite,cancrinite and perovskite gradually dissolve, but the brookite and quartz haraly dissolved.
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Basic Information:
DOI：
Chinese Library Classification Number:X758[环境科学与工程—环境工程]
Citation Information:
The preparation method of Ti-enriched slag was studied by hydrochloric acid leaching of impurities from red mud. The effects of hydrochloric acid concentration, leaching temperature, liquid-solid ratio and leaching time on titanium dioxide grade of Ti-enriched slag were investigated. Phase transformation and action mechanism of the acid leaching process were analyzed by ICP-AES and XRD. The results show that under the conditions of hydrochloric acid concentration of 30%,leaching temperature of 80 ℃,liquidsolid ratio of 7 ： 1 and leaching time of 60 min, the titanium dioxide grade of Ti-enriched slag can reach 24 %. With the increase of concentration of hydrochloric acid, calcite in the red mud disappears, the hema- tite,cancrinite and perovskite gradually dissolve, but the brookite and quartz haraly dissolved.
quote
| GB/T 7714-2015 | [1] LI Wang, ZHU Xiao-bo, GUAN Xue-mao. Study on the Preparation of Ti-enriched Slag by Chemical Beneficiation of Red Mud[J]. Rare Metals and Cemented Carbides, 2016(4): 25-27. |
| MLA | [1] LI Wang, et al., "Study on the Preparation of Ti-enriched Slag by Chemical Beneficiation of Red Mud." Rare Metals and Cemented Carbides, no. 4, 2016, pp. 25-27. |
| APA | [1] LI Wang, ZHU Xiao-bo, & GUAN Xue-mao. (2016). Study on the Preparation of Ti-enriched Slag by Chemical Beneficiation of Red Mud. Rare Metals and Cemented Carbides(4), 25-27. |
| IEEE | [1] LI Wang, ZHU Xiao-bo, and GUAN Xue-mao, "Study on the Preparation of Ti-enriched Slag by Chemical Beneficiation of Red Mud," Rare Metals and Cemented Carbides, no. 4, pp. 25-27, 2016. keywords: {red mud;Ti-enriched slag;TiO2;chemical beneficiation;hydrochloric acid leaching;phase transformation;action mechanism} |