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·The combined process of magnetic separation gravity separation flotation is suitable for polymetallic magnetite ore Gangue minerals are mainly quartz chlorite biotite etc with a small amount of pyrite chalcopyrite vanadium titanium magnetite and
·The experimental results showed that magnetic separation and shaking table gravity separation process could be used to separate Fe and Ti and enrich most of the Sc with a final recovery rate of % for Sc 2 O 3 Zhu et al combined gravity separation with magnetic separation technology to recover Cu and Fe from waste printed circuit boards
·This paper proposes a new technique for preparation of high grade titanium slag from Panzhihua vanadium titanomagnetite concentrate by reduction melting magnetic separation processing Chemical analysis x ray diffraction and scanning electron microscopy in conjunction with energy dispersive spectroscopy were used to characterize the samples The effective
·Vanadium and titanium magnetite ores are being smelted in a blast furnace and the resulting iron liquid is refined in a converter to produce vanadium slag [1] [2] The vanadium slag undergoes sodium roasting and water leaching to produce an extracted vanadium tailing [3] [4] The total amount of extracted vanadium tailings in China exceeds million tons per year [5]
·Under the optimal conditions % iron from the raw ore was recovered in the form of iron nugget with % iron grade After a water leaching process % of the vanadium from the roasting slag was leached confirming the sodium oxidation of most of the vanadium oxides to water soluble sodium vanadate during the roasting process The
·A typically low grade titanium sand was first ground and then processed by low intensity magnetic separation LMS and high gradient magnetic separation HGMS to recover titanomagnetite and ilmenite respectively; as the TiO 2 grade of the sand is low the primary treatment of the sand by magnetic separations is effective with % by mass
The invention discloses a beneficiation method for a pure magnetic iron ore A crude ore is sequentially treated according to the steps such as first crushing first stage dry type magnetic dressing medium crushing second stage dry type magnetic dressing fine crushing and third stage dry type magnetic dressing fine ore is obtained after a great amount of gangues are
·New process for treating boron bearing iron ore by flash reduction coupled with magnetic separation Qipeng Bao 1 Lei Guo 1 Hong Yong Sohn 2 Haibin Zuo 1 Feng Liu 1 Comprehensive utilization of ludwigite ore based on metallizing reduction and magnetic separation J Iron Steel Res Int 22 2015 No 8 p 672 doi /S1006
DOI / Corpus ID 253192611; A new iron recovery and dephosphorization approach from high‑phosphorus oolitic iron ore via oxidation roasting gas based reduction and magnetic separation process
·Wet Magnetic Separation of Cornwall Ore During the dry magnetic separating tests on Cornwall ore it became evident that this process of magnetic separation was not suitable for this ore for the following reasons Dust The ore must be very dry in order to secure freedom of motion between the particles or poor separation will result
·Apart from Fe content and Fe recovery the contents of Zn and Pb in concentrates should be taken into consideration in the treatment of Zn and Pb bearing refractory iron ore through reduction roasting magnetic separation Hematite in the iron ore was reduced to magnetite through magnetic roasting at 800 °C for 60 min and iron was enriched
·removed by fine grinding and magnetic separation process The grade of TiO 2 in the obtained high grade titanium slag reached % and the total valuable elements iron vanadium and titanium is a complex iron ore Although it widely distributed throughout the world concentrations thereof are mainly found in Russia China South Africa
·Utilization of plentiful fine disseminated iron oxide ores resources attracted increasing attention in these years due to the depletion of easy dressing iron ore reserves In this paper an improved Fe recovery method from the refractory fine grained iron ores was proposed and iron can be stepwise recovered by microwave assisted reduction roasting with the
·In this paper magnetization roasting low intensity magnetic separation was performed on a pre concentration concentrate obtained from an Australian hematite containing titanium and vanadium to realize the separation of titanium and vanadium The results showed that an iron concentrate with TFe total iron grade of % iron recovery of % and V 2
·Wet magnetic Separation Analysis of Slag Iron Presently there are many studies on the mineral processing of low grade ilmenite [25 26] but there are few reports on the separation of slag and iron after the reduction of ilmenite In the previous magnetic separation process the reasons for the poor magnetic separation effect are shown in
·Reduction roasting magnetic separation realizes the separation of titanium and iron in high titanium beach titanomagnetite However the TiO2 grade in titanium concentrate is low and few studies
·Ilmenite can be obtained from the black sand through various techniques utilized during the ore processing including magnetic separation floating separation and electrostatic separation [18 22
·From the extraction of iron ore and titanium ore to the purification of non metallic minerals like quartz and feldspar magnetic separation techniques offer a robust and reliable approach to achieving desired separation outcomes Iron ore is perhaps the most well known example of a mineral that is separated using magnetic separation
·In India the tailings of iron ore beneficiation are dumped in slime ponds which is a major environmental concern In the present study a new beneficiation circuit was designed to recover the valuable minerals from the tailing effectively The present study involves the characterization of three different samples using chemical particle size optical microscopy
·With the depletion of high quality iron ore resources high phosphorus oolitic hematite HPOH has attracted great attention due to its large reserve and relatively high iron content However HPOH is very difficult to be used in ironmaking process due to its special structure A two step method of gas based direct reduction and magnetic separation was thus
·Deep dephosphorization of high‑phosphorus oolitic iron ore HPOIO is extremely difficult because of its refractory characteristics A new approach for simultaneous iron recovery and dephosphorization from HPOIO by oxidation roasting gas based reduction ORGR and magnetic separation process was developed The underlying mechanism was investigated
·Yu et al used a process of magnetic reduction roasting followed by magnetic separation to separate and recover iron from a low grade carbonatebearing iron ore and the hematite and siderite
·This method includes weak magnetic separation and strong magnetic separation The weak magnetic separation is to separate titanomagnetite while the strong magnetic separation is to discharge qualified tailings and prepare for the subsequent flotation process to obtain the final titanium concentrate The equipment is the magnetic separator You
