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Trans. Nonferrous Met. Soc. China 25(2015) 4201-4206 Effect of milling time on carbothermic reduction of ilmenite Min CHEN1, Ai-tao TANG2, Xuan XIAO1 1. College of Materials Engineering, Panzhihua...: A systematic investigation on the effect of milling time on carbothermic reduction of ilmenite was carried out by a combination of thermal analysis, X-ray diffraction (XRD), scanning electron microscopy......
Trans. Nonferrous Met. Soc. China 23(2013) 3462-3469 Effect of temperature on dielectric property and microwave heating behavior of low grade Panzhihua ilmenite ore Chen-hui LIU1,2,3, Li-bo... and Technology, Kunming 650093, China; 4. Yunnan Copper Industry Co., Ltd., Kunming 650093, China Received 19 October 2012; accepted 31 August 2013 Abstract: The permittivity of low grade Panzhuhua ilmenite......
Trans. Nonferrous Met. Soc. China 31(2021) 1818-1827 Direct carbothermic reduction of ilmenite concentrates by adding high dosage of Na2CO3 in microwave field Zhi-gang YU1,2,3, Jing-wu XIAO1,2,3, Hai... and efficient route for the utilization of ilmenite concentrates was proposed by direct carbothermic reduction in microwave field. High dosage of Na2CO3, which can be recycled, was added to accelerate......
Effects of mechanical activation and oxidation-reduction on hydrochloric acid leaching of Panxi ilmenite concentration TAN Ping1, HU Hui-ping2, ZHANG Li2 1. Department of Biological and Chemical... November 2010; accepted 14 April 2011 Abstract: The effects of oxidation-reduction treatment and mechanical activation on the hydrochloric acid leaching performance of Panxi ilmenite concentration were......
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Microwave assisted grinding of ilmenite ore GUO Sheng-hui, CHEN Guo, PENG Jin-hui, CHEN Jin, LI Dong-bo, LIU Li-jun Key Laboratory of Unconventional Metallurgy, Ministry of Education, Faculty... on the grinding of Panzhihua ilmenite ore was investigated. Factors that influence the processing are: the microwave exposure time, power density and sample mass. 40 g sample was microwave heated......
and their geochemical characterizations. The crystal structure models of titanomagnetite and ilmenite were calculated by ab initio Hartree Fock molecular orbital method. The results show that the primary ore... and ilmenite. [ Keyword: quantum geochemistry; ab initio Hartree Fock molecular orbital; titanomagnetite; ilmenite; Received: 1999-10-28 攀枝花钒钛磁铁矿矿床是世界著名的钒......
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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......