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Optimization of preparation process of high-strength pellets from Panzhihua ilmenite concentrate被引量：1
《Journal of Iron and Steel Research International》2023年第12期2391-2402,共12页Gang-wei Zhou Wei Lv Fu-rong Chen Zheng-gen Liu Man-sheng Chu Xue-wei Lv 
supported by the National Natural Science Foundation of China(Grant Nos.52104325 and U1902217);Chongqing Outstanding Youth Project(Grant No.cstc2019jcyjjqX0024);Key Research and Development Program of Hebei Province(Grant No.21314001D).
The preparation of high-strength pellets from Panzhihua ilmenite concentrate is important for the hydrogen-rich smelting of titania slag and was investigated.The effects of the magnetite concentrate and heating proced...
关键词：Ilmenite concentrate PELLETIZING ROASTING Compressive strength-Pellet 
Effects of Na_(2)CO_(3)on reduction mechanism and kinetics of iron during deep reduction of ilmenite concentrate
《Journal of Iron and Steel Research International》2023年第3期419-428,共10页Xiao-dong Lv You-ling Hou Yun-tao Xin Wei Lv Xue-wei Lv 
This work was supported by the National Natural Science Foundation of China(Grant Nos.U1902217 and 52104325).
High-quality upgraded titanium slag obtained through semi-molten reduction with the addition of Na_(2)CO_(3)is important for the fluidizing chlorination process to produce TiO_(2)pigments.The key is the effect of Na_(...
关键词：Ilmenite concentrate Sodium carbonate Metallization ratio Reduction mechanism KINETICS 
Upgrade of nickel and iron from low-grade nickel laterite by improving direct reduction-magnetic separation process被引量：2
《Journal of Iron and Steel Research International》2022年第8期1164-1175,共12页Hong-yu Tian Zheng-qi Guo Ruo-ning Zhan Jian Pan De-qing Zhu Cong-cong Yang Liao-ting Pan Xue-zhong Huang 
supported by the Youth Natural Science Foundation of China(No.51904347);the National Natural Science Foundation of China(No.51574281);Innovation-driven Project of Guangxi Zhuang Autonomous Region(No.AA18242003)。
Low-grade saprolite nickel laterite,characterized by complicated minerals composition and fine-grained and complex dissemination,was commonly treated with a low recovery efficiency of Ni and Fe by conventional methods...
关键词：Nickel laterite Low-nickel concentrate Nucleating agent Growth kinetics Ni-Fe alloy Direct reduction Magnetic separation 
Effect of pre-oxidation degree on gaseous reduction of pre-oxidized ilmenite concentrate by CO
《Journal of Iron and Steel Research International》2022年第6期881-890,共10页Shi-qing Zhao Xiao-dong Lv Zhi-ming Yan Xue-wei Lv Wei Lv Chen-guang Bai 
This work was supported by the National Natural Science Foundation of China(Grant No.U1902217).
The effect of pre-oxidation degree of Panzhihua ilmenite concentrate on the gaseous reduction by carbon monoxide was investigated.The raw ilmenite concentrates were pre-oxidized at 600,700,800,900,and 1000°C for 2 h,...
关键词：ILMENITE PRE-OXIDATION REDUCTION Kinetic Titanium SLAG 
Influence of phosphorus on iron-based friction material prepared directly vanadium-bearing titanomagnetite concentrates
《Journal of Iron and Steel Research International》2021年第6期669-678,共10页Yan-yan Zhang Ke-qin Feng Yue Shui Si-tan Chen Yan-fang Liu 
financially supported by the Science and Technology Plan of Panzhihua City in Sichuan Province of China under Grant No.2017CY-C-1.
In situ selective carbothermic reactions and vacuum sintering were used to prepare iron-based friction material directly vanadium-bearing titanomagnetite concentrates.Effects of phosphorus addition(0.05–0.20 wt.%)on ...
关键词：Vanadium-bearing titanomagnetite concentrate Iron-based friction material Tribological behavior PHOSPHORUS 
Strengthening granulation behavior of specularite concentrates based on matching of characteristics of iron ores in sintering process被引量：1
《Journal of Iron and Steel Research International》2018年第10期1017-1025,共9页Sheng-li Wu Zhi-gang Que Kai-lang Li 
Specularite concentrates have advantages of high ferrous grade, less harmful impurities and low price. However, the small size and poor granulation behavior of specularite concentrates consequently deteriorate the per...
关键词：Iron ore sinter Granulation behavior Specularite concentrate Surface property WETTABILITY 
Oxidation kinetics of ilmenite concentrate by non-isothermal thermogravimetric analysis被引量：1
《Journal of Iron and Steel Research International》2017年第7期678-684,共7页Ying-yi Zhang Wei Lv Xue-wei Lv Chen-guang Bai Ke-xi Han Bing Song 
supported by the National Natural Science Foundation of China(Grant No.51234010);Special Fund for Basic Scientific Research in Colleges and Universities of the Central Business (No.0903005203413)
The non-isothermal oxidation experiments of ilmenite concentrate were carried out at various heating rates under air atmosphere by thermogravimetry.The oxidation kinetic model function and kinetic parameters of appare...
关键词：Ilmenite Oxidation kinetics Phase composition Málek method Starink method 
Niobium and phosphorus behavior during melting-separation process of pre-reduced niobium ore concentrate被引量：2
《Journal of Iron and Steel Research International》2017年第7期691-696,共6页Yu-bao Liu Zhi-hong Zhang Er-xiong Zhao Xian-heng Zhang Xiao-qing Wang Guo-hua Chen 
financially supported by the National Science and Technology Support Program (2008BAB32087)
The pre-reduced Bayan Obo ferroniobium（FeNb）ore concentrate block was taken as raw materials for studying the physical properties of niobium-enriched slag and changes in niobium recovery rate.In addition,the dephosp...
关键词：Melting separation Pre-reduced niobium ore concentrate Niobium-enriched slag Iron Dephosphorization rate Niobium recovery rate 
Effects of high pressure roller grinding on size distribution of vanadium-titanium magnetite concentrate particles and improvement of green pellet strength被引量：8
《Journal of Iron and Steel Research International》2017年第3期266-272,共7页Feng Chen Yu-feng Guo Tao Jiang Fu-qiang Zheng Shuai Wang Ling-zhi Yang 
The vanadium-titanium magnetite concentrate from Panxi region of China was pretreated by high pressure roller grinding（ HPRG） and then used in pelletization. Size distribution change of the vanadiumtitanium magnetit...
关键词：High pressure roller grinding Particle packing Size distribution Size ratio Green pellet strength 
Recovery of boron from high-boron iron concentrate using reduction roasting and magnetic separation被引量：4
《Journal of Iron and Steel Research International》2017年第2期131-137,共7页Jian-wen Yu Yue-xin Han Peng Gao Yan-jun Li 
the financial support from the National Natural Science Foundation of China (51134002);the Fundamental Research Funds for the Central Universities of China (N140108001 and N150106003)
The comprehensive utilization of abundant high-boron iron concentrate is of particular significance to Chi- na, and the high-boron iron concentrate has not yet been utilized as a source for boron at an industrial scal...
关键词：High-boron ironconcentrateCarbothermic reduction Magnetic separation Metallic iron Boron-rich non magnetic product 
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