(PDF) Separation and recovery of iron and titanium from …
PDF | Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium... | Find, read and cite all the research you need on ...
Separation and recovery of iron and titanium from oxidized …
In a typical reduction roasting magnetic separation process, VTM pellets are reduced by coal at high temperature (1200–1300 °C) for 3–4 h after pre-treatment process.Then the reduced pellets are ground to 0.074 μm or 0.044 μm by a ball mill or rod mill device [13].Finally, magnetic product and non-magnetic product are separated under a certain …
Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic
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 ...
Beneficiation of Aluminum-, Iron-, and Titanium-Bearing …
The results showed a magnetic concentrate with total iron grade of 56.39% and TiO2 content of 8.66% was obtained under a two-stage magnetic separation process (intensity: 0.8 and 0.2 T ...
Enhancing Reduction Separation and Efficient Recovery of Iron…
Effects of basicity of the high titanium slag on the recovery of iron and vanadium, the separation behaviors between iron and slag, as well as the slag foaming behavior during the smelting process ...
Physical separation of iron ore: magnetic separation
Based on the magnetic susceptibility values in Table 9.1, iron minerals can be divided into two groups, namely strong magnetic minerals, that is, magnetite (72.4% Fe), and weakly magnetic minerals, that is, martite (70.0% Fe), hematite (70.0% Fe), specularite (70.0% Fe), limonite (57.14–59.89% Fe), and siderite (48.2% Fe).While magnetite ores are naturally …
Efficient separation of vanadium, titanium, and iron from …
In order to extract vanadium, titanium, and iron from VBT ore, currently, the most common and mature treatment method in China is the blast furnace smelting [10]. ... the coal-based direct reduction-magnetic separation process can be applied to directly reduce the melt of metallized pellets produced in the reduction process of VBT ore. It ...
An innovative process for recovery of ilmenite using mineral …
In the reduction stage, the ideal reduction temperature was 575 °C, the CO concentration was 20 %, and the reduction time was 3 min. Under the optimized roasting conditions, the roasted sample was separated by staged low-intensity magnetic separation, and titanium concentrate with a TiO 2 grade of 46.24 % and recovery of 67.62 % was obtained ...
Mineral separation process of magnetic iron ore
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 …
wet drum magnetic separator
Wet drum magnetic separator is a highly versatile magnetic separation equipment that separates and purifies various magnetic materials.It is mainly capable of effectively separating and recycling magnetic materials from slurry or wet materials. Wet drum magnetic separators are widely used in separating strong magnetic minerals, and can usually be easily integrated into existing mineral ...
Method for separating titanium, iron ore
The invention belongs to a method for separating iron ore and titanium ore, comprising the steps of crushing, ball milling by one time and two times, magnetic separation with low strength, magnetic separation with high strength, ball milling by the third time, spiral separation and fine selection, magnetic separation with low strength and titanium reselection and the like so as to …
High-Titanium Slag Preparation Process by …
in high-titanium slag and iron concentrate after wet-magnetic separation, respectively; m0 TiO 2 and m0 Fe are the TiO 2 and the iron content in sample before wet-magnetic separation. The high-titanium slag and the iron concentrate were obtained after wet-magnetic separation, so the yield of high-titanium slag and iron concentrate were defined ...
Iron recovery and dephosphorization behaviors from high …
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 …
Enhancing Reduction Separation and Efficient Recovery …
In this work, diboron xide and calcium fluoride are applied as composite additives to explore a process suitable for processing low-grade, high-vanadium, ultra-high-titanium …
Separation and Recovery of Iron from Vanadium …
A new process comprising metallizing reduction, magnetic separation, and electroheat melting separation is proposed with the aim of achieving high recoveries of iron, vanadium, and titanium from ...
Fusion Separation of Vanadium-Titanium Magnetite and …
This had a negative impact on the reduction-melting process of vanadium-titanium magnetite that hindered the separation process of slag and iron . The titanium-containing phases in the slag system are: black titanium, TiO 2, Ti 2 O 3, a small amount of titanium iron oxide, TiCN, TiC and some magnesium aluminum spinel. It can be noticed that the ...
Effect of Na2SO4 on the Embedding Direct Reduction of …
wasted. Therefore, an effective process that can separate titanium and iron from TTM ore must be developed. Previous studies show that coal-based direct reduction fol-lowed by magnetic separation is the most effective method to achieve titanium and iron separation from TTM ore.8–15) The process involves the following steps: First, TTM ore of
Enhancing Reduction Separation and Efficient Recovery …
the background of the depletion of high-quality iron ore resources, the surge in iron ore prices, and the demand for essential iron resources in iron and steel industry.[14–16] At present, the smelting of ordinary vanadium–tita-nium magnetite is still based on the blast furnace-con-verter process, and for the blast furnace ironmaking,
Recovery of Iron-, Titanium-Bearing Constituents from …
passing 74 lm in particle size for magnetic separation. The recovery of iron by magnetic separation and TFe and content of TiO 2 of magnetic fraction and non-magnetic fraction were analyzed respectively. The recovery of iron and titanium was calculated as follows: e ¼ cb a ð1Þ where e is the recovery of iron and titanium; c is the yield; a,
A critical review on metallurgical recovery of iron from iron ore
Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, the global annual …
Increasing the efficiency of iron ore raw materials …
Key words: drum magnetic separator, increased magnetic field induction, Nd-Fe-B permanent magnets, iron concentrate, iron content, concentrate yield, extraction of iron into concentrate. References 1.
Fusion Separation of Vanadium-Titanium Magnetite and …
Li Zhenqian proposed the process of "coarse-grained magnetic pulley dry waste disposal-weak magnetic separation of iron-strong magnetic separation to enrich titanium-reverse flotation desulfurization-flotation purification of ilmenite", and finally obtained titanium with a TiO 2 grade of 48.01% concentrate . In terms of the metallurgical ...
Mineralogical reconstruction of Titanium-Vanadium hematite and magnetic
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 58.71%, iron recovery of 86.72% and V 2 …
Optimized magnetic separation for efficient recovery of V …
We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) ore.
Efficient separation of vanadium, titanium, and iron from …
The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3].In China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, accounting for 93% of China's total domestic reserve of …
Titaniferous Magnetites as a Source of Vanadium, …
Over recent years, a lot of work has been undertaken to process lower grade titaniferous (8-16% TiO 2) magnetite deposits to produce vanadium, titanium pigment and iron oxides using …
Method for separating and extracting iron, vanadium and titanium …
The invention discloses a method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite, which comprises the following steps: magnetic separation of raw ore: performing magnetic separation on the vanadium-titanium magnetite to obtain iron-vanadium concentrate and tailings; separating titanium concentrate from tailings: flotation is carried out …
Optimized magnetic separation for efficient recovery of V …
We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from vanadium‑titanium magnetite (VTM) …
How to Recover Iron from Magnetite: 4 Methods and Stages
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 …
Experimental study on parameters optimisation of adding …
Experimental study on parameters optimisation of adding vanadium-titanium magnetite to iron ore pellet. ... Yuan Y, Du T, et al. Multi-process production occurs in the iron and steel ... . Iron recovery and dephosphorization behaviors from high-phosphorus oolitic hematite by gas-based direct reduction and magnetic separation. J Iron ...