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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......
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......
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......
Performance evaluation for selectivity of the flocculant on hematite in selective flocculationLopamudra Panda1,Pradip K.Banerjee1,Surendra Kumar Biswal2,R.Venugopal3,N.R.Mandre31. Research... flocculation was applied to ultra-fine synthetic mixtures of hematite and kaolinite,and the Fe value was upgraded up to 65.78% with the reduction of Al2O3 and SiO2 values to 2.65% and 3.66......
Strengthening iron enrichment and dephosphorization of high-phosphorus oolitic hematite using high-temperature pretreatmentWen-tao Zhou,Yue-xin Han,Yong-sheng Sun,Yan-jun LiCollege of Resources and Civil Engineering, Northeastern University摘 要:The efficient development and utilization of high-phosphorus oolitic hematite is of great strategic......
Some basic properties of granules from ore blends consisting of ultrafine magnetite and hematite oresCong-cong Yang,De-qing Zhu,Jian Pan,Yue ShiSchool of Minerals Processing and Bioengineering... of the adhering layer, were investigated in this study for four iron ore blends consisting of 5 wt%, 25 wt%, and 45 wt% ultrafine magnetite and 25 wt% ultrafine hematite concentrates.The effects of varying......
利用印度赤铁矿造球的工艺试验宋延琦1,李京社1,唐海燕1,杨明生1,刘春暖1(1.北京市北京科技大学 冶金与生态工程学院)摘 要:针对100%印度赤铁矿生产氧化球团的可行性问题,对印度赤铁矿造球工艺参数进行了试验研究.在微型球团矿焙烧模拟系统中,通过模拟链箅机-回转窑生产工艺,采用正交试验的方法,得出:经细磨后的印度赤铁矿小于0.075 mm的矿粉应达到65%以上;配加膨润土的比例为1%左右;按照试验得出的干燥段和预热段工艺参数,实现100%印度赤铁矿造球是完全可行的.关键词:印度赤铁矿; 造球性......
氢气还原氧化铁动力学的非等温热重方法研究庞建明1,郭培民1,赵沛1,曹朝真1(1.北京市钢铁研究总院先进钢铁流程及材料国家重点实验室)摘 要:用非等温热重分析法对氢气还原不同粒度细微氧化铁的动力学进行了研究.研究表明:铁矿粉粒度越小,起始反应温度越低,反应速度越快,反应达到平台期时所对应的还原率越高;平均粒度为3.5 mm的铁矿粉在400℃还原反应开始,700℃左右开始反应加快,达到平台期时的还原率为77%,而平均粒度为2μm的铁矿粉在100℃已经开始反应,350℃反应加快,达到平台期时的还原率为98%,而且在......
; 文献标志码:A 文章编号:1672-7207(2018)04-0771-08 Experimental study on utilization of crude concentrate from an Anshan-type hematite ore...) Abstract: Magnetization roasting via a laboratory-batch scale fluidized reactor was carried out for the utilization of crude concentrate from an Anshan-type hematite ore, which was performed at 450-700......