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Growth behavior of the magnetite phase in the reduction of hematite via a fluidized bedJian-wen Yu1,2,Yue-xin Han1,Yan-jun Li1,Peng Gao11. School of Resources and Civil Engineering, Northeastern... and growth mechanism of the magnetite phase during the fluidized reduction of hematite, a high-purity hematite ore was isothermally reduced using a 20 vol% CO-80 vol% CO2 gas mixture in a micro-fluidized bed......
Effect of sodium alginate on reverse flotation of hematite and its mechanismYa-feng Fu1,Wan-zhong Yin1,Bin Yang1,Chuang Li1,2,Zhang-lei Zhu1,Dong Li11. School of Resources & Civil Engineering... in the chlorite content of hematite ores, pulp properties seriously deteriorate during flotation. The traditional anion reverse flotation of hematite cannot effectively eliminate the effects......
Facile Synthesis of Uniform Hollow Hematite Sub-micro Spheres with Controllable Shell Thickness闫共芹,官建国State Key Lab of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology摘 要:A simple method was developed to prepare the uniform hematite hollow submicro-spheres with controllable structure and different diameter based......
Effect of Na2CO3 and CaCO3 on Coreduction Roasting of Blast Furnace Dust and High-phosphorus Oolitic Hematite曹允业,孙体昌,KOU Jue,XU Chengyan,GAO EnxiaSchool of Civil & Environmental Engineering, Key... blast furnace dust and high-phosphorus oolitic hematite in the presence of Na2CO3 and CaCO3 additives. The functions of Na2CO3 and CaCO3 during the coreduction roasting process were investigated by XRD......
Magnetic and flotation studies of banded hematite quartzite (BHQ) ore for the production of pellet grade concentrateB. Das,B.K.Mishra,S. Prakash,S.K.Das,P.S.R.Reddy,S.I.Angadi摘 要:To identify and establish beneficiation techniques for banded hematite quartzite (BHQ) iron ore, a comprehensive research on BHQ ore treatment was carried out. The BHQ ore......
J. Cent. South Univ. (2016) 23: 529-534 DOI: 10.1007/s11771-016-3099-8 Effect and mechanism of dolomite with different size fractions on hematite flotation using sodium oleate as collector LUO Xi... and Springer-Verlag Berlin Heidelberg 2016 Abstract: The effect of dolomite with different particle size fractions on hematite flotation was studied using sodium oleate as collector at pH of about 9......
高变质煤HRTEM图像中芳香晶格条纹的MASK R-CNN识别王绍清,常方哲,陈昊,王小令,李雪琦中国矿业大学(北京)地球科学与测绘工程学院摘 要:近年来,人工智能的兴起推动了我国煤炭行业在绿色环保,智能生产等方面的发展.针对芳香晶格条纹识别过程中存在的解译慢,周期长和误判率高等问题,提出了一种基于MASK R-CNN的智能提取方法.该智能提取方法通过调整特征参数和优化网络结构,对条纹特征的识别算法进行改进:(1)跳过前期预处理过程,以端到端的模式进行芳香晶格条纹的特征提取训练,实现从原始HRTEM中自动识......
Artificial neural network approach to assess selective flocculation on hematite and kaoliniteLopamudra Panda1,P.K.Banerjee1,Surendra Kumar Biswal2,R.Venugopal3,N.R.Mandre31. R&D Tata Steel Limited2... dependency on process parameters.In this paper,a selective flocculation process,using synthetic mixtures of hematite and kaolinite in different ratios,was attempted,and the adsorption mechanism......
Optimization of flotation variables for the recovery of hematite particles from BHQ oreSwagat S. Rath,Hrushikesh Sahoo,B. DasCSIR-Institute of Minerals and Materials Technology,Bhubaneswar 751 013... in India. A flotation process has been developed to treat one such ore, namely banded hematite quartzite (BHQ) containing 41.8wt% Fe and 41.5wt% SiO2,by using oleic acid, methyl isobutyl carbinol (MIBC......