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Trans. Nonferrous Met. Soc. China 22(2012) 1232-1238 TiO2 nanoparticles prepared by hydrochloric acid leaching of mechanically activated and carbothermic reduced ilmenite TAO Tao1, CHEN Qi-yuan1, HU... milling, carbothermic reduction and hydrochloric acid leaching was proposed for the preparation of nanosized synthetic rutile from natural ilmenite. The ball milling was employed to grind ilmenite......
钛铁矿湿法生产人造金红石新工艺蒋伟1,蒋训雄2,汪胜东2,范艳青2,王海北3,蒋开喜2,冯林永3,张登高3,齐斌涛4(1.北京市北京矿冶研究总院 2.北京矿冶研究总院,北京 1000703.北京矿冶研究总院,北京 1000444.重钢集团矿业有限公司太和铁矿,四川西昌 615041)摘 要:针对攀西地区钛铁矿的特点即储量大,品位低,钙镁杂质含量高,提出钛铁矿湿法生产人造金红石的新工艺:钛铁矿细磨-多级逆流浸出.解决了盐酸再生与再生酸循环利用的衔接问题.采用低浓度盐酸多级浸出可得到TiO2品位大于94%的人造金红......
钛精矿碳热还原制备焊条药皮试验雷鹰1,李雨1,彭金辉1,李玮1,郭胜惠1(1.云南省昆明市昆明理工大学材料与冶金工程学院非常规冶金教育部重点实验室)摘 要:对钛精矿碳热还原制备焊条药皮进行研究,在氧化焙烧温度850~900℃,复合添加剂配量3%~5%,还原焙烧温度1 100~1 500℃,焙烧时间240~270min条件下获得焊条药皮原料--还原钛铁矿,其TiO2大于52%,FeO小于5%,C,S,P等有害元素含量小于0.03%.采用XRD,SEM,EDS及TGA等表征方法对钛铁矿还原前后的物相,形貌,成分等变......
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J. Cent. South Univ. (2020) 27: 1678-1690 DOI: https://doi.org/10.1007/s11771-020-4399-6 Reduction behaviour of Odisha Sands Complex, India ilmenite-coke composite pellets D NAYAK, N RAY, N DASH, S... 2020 Abstract: Presently, ilmenite concentrates from Odisha Sands Complex at Chhatrapur, India are utilized to produce TiO2 slag by direct smelting in an electric arc furnace. However, the process......
Trans. Nonferrous Met. Soc. China 26(2016) 3266-3273 Reductive kinetics of Panzhihua ilmenite with hydrogen Chang-yuan LU1,2,3, Xing-li ZOU1,2,3, Xiong-gang LU1,2,3, Xue-liang XIE1,2,3, Kai..., China Received 2 December 2015; accepted 30 August 2016 Abstract: The hydrogen reduction of Panzhihua ilmenite concentrate in the temperature range of 900-1050 °C was systematically investigated......
文献标识码: A Effect of titanaugite on flotation behavior of ilmenite ZHANG Guo-fan, WANG Li, FENG Qi-ming, LU Yi-ping, OU Le-ming (School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The flotabilty of titanaugite and ilmenite and the effects of different size fractions......
; 文献标志码:A 文章编号:1672-7207(2010)05-1639-06 Solid-state reduction behavior of Panzhihua ilmenite GUO Yu-feng, YOU Gao... of Panzhihua ilmenite and the mineral phases transformation and microstructure change of reduction products were researched, and the solid-state carbonthermic reduction behavior of Panzhihua ilmenite......
; 文献标识码: A Flotation mechanism of fine ilmenite by sodium oleate ZHANG Guo-fan, ZHU Yang-ge, FENG Qi-ming, LU Yi-ping, OU Le-ming (School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The flotation of fine ilmenite using sodium oleate as collector and the collection mechanism were studied......
中图分类号:TF 823 文献标识码:A Kinetics analysis of decomposition of ilmenite by KOH sub-molten salt method LIU Yu-min1, QI Tao2, ZHANG Yi2 (1. College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, China; 2. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China) Abstract:The decomposing kinetics of ilmenite......
