Kinetic Study of Selective Chlorination of Iron in Ilmenite Ore. So-Yeong Lee, Sung-Hun Park and Ho-Sang Sohn. School of materials science and engineering, …

After grinding the chlorination residue to < 0.074 mm particle sizes, 85.34% vanadium was recovered by water leaching extraction at 80 ℃, 10:1 liquid–solid ratio, 500 r/min stirring speed, and 4 h extraction time. The present approach may efficiently volatilize gold, zinc, recover vanadium, and separate iron from carbonaceous gold ore.

A low-temperature chlorination roasting-water leaching process was proposed. • Anhydrous aluminum performs good selectivity. • O 2 and the generated Cl 2 play vital roles in the chlorination of sulfides.. Iron in the ore promotes the chlorination of nickel and copper significantly.

The manganiferous iron ore consisted mainly of hematite, magnetite, goethite, and quartz with minor quantities of stilpnomelane, minnesotaite, and chlorite. The manganese minerals identified were manganite and a minor quantity of pyrolusite. The ore was ground in a pulverizer to minus 100 mesh prior to chlorination.

conditions for the chlorination experiments were optimized. The iron in the titanium ore was selectively chlorinated by reacting low-grade titanium ore (ilmenite) and metal chloride (MClx, M = Mg, Ca, etc.) at 1100 K under a nitrogen atmosphere, and low-iron titanium ore and iron chloride (FeClx) were obtained.

A selective chlorination process using magnesium chloride (MgCl2) as chlorinating agent was investigated with the aim of developing a process for removing iron directly …

A selective chlorination process using magnesium chloride (MgCl2) as chlorinating agent was investigated with the aim of developing a process for removing iron directly from ilmenite, which is a low-grade titanium ore known as FeTiO3. Two crucibles, one consisting of titanium ore and the other consisting of a mixture of titanium ore and MgCl2 ...

Ilmenite(FeTiO 3) ore is a raw material for producing TiCl 4 through the chlorination method and the sulfuric acid reaction method. TiCl 4 is used as a raw material for producing metallic titanium ...

Iron present in the titanium ore of the titanium ore/MgCl 2 mixture reacted with MgCl 2, and MgTiO 3 and MgO were achieved. Upon the chlorination process, 97% TiO 2 was obtained directly in a ...

Therefore, a suitable technology is needed to extract the tin from the primary ore deposits. This research aims to observe the extraction of tin from primary deposits (oxide and skarn ores) using HCl wet chlorination, observed at different temperature (60 – 90°C), HCl concentrations (10 – 50 % excess of stoichiometric amount), leaching ...

To develop a selective chlorination process for ilmenite ores with the aim of attaining a high chlorination ratio of Fe and minimal Ti loss with low activation energy, the kinetics of the selective chlorination of Fe from ilmenite ore powders using a mixture of CO and Cl 2 gases in a static bed reactor was investigated. Experiments were conducted using …

Study on chlorination of ilmenite ore were carried out by using PVC(polyvinyl chloride) as the chlorinating agent in a static bed reactor for selective removal of iron. The effect of amount of PVC ...

In this study, the FeO with selective chlorination by using coke and Cl 2 gas of ilmenite ore was eliminated, and TiO 2 of high purity produced. The reaction …

Study on chlorination of ilmenite ore were carried out by using PVC(polyvinyl chloride) as the chlorinating agent in a static bed reactor for selective removal of iron. The effect of amount of PVC and reaction temperature were investigated. It was found that the removal ratio of iron increased with amount of PVC and temperature. …

It was shown that the selective chlorination of iron from titanium ore by HCl gas is thermodynamically feasible and efficient for upgrading titanium ore. Further, thermodynamic analysis showed that under certain conditions, TiCl 4 can be used as a chlorinating agent for the iron in the ore, and iron can be removed by evaporation …

A selective chlorination process using magnesium chloride (MgCl2) as chlorinating agent was investigated with the aim of developing a process for removing iron directly from ilmenite, which is a low-grade titanium ore known as FeTiO3. Two crucibles, one consisting of titanium ore and the other consisting of a mixture of titanium ore and …

Chlorination is a very effective metallurgical method to treat various kinds of complex LREE ore resources. The most studied ores were bastnaesite and …

The preparation of pellets for blast furnace from the complex iron ores containing tin and zinc (w(Sn)=0.25%, w(Zn)=0.20%) were studied. Based on the analysis of volatilization behavior of tin and ...

Removal of iron from titanium ore through selective chlorination using magnesium chloride

Firstly, iron ore was mined and then processed to obtain iron concentrate and high-silica IOTs by the process of crush–grind–screening–gravity separation–magnetic separation [72]. The obtained high‑silicon IOTs contained abundant quartz with a small amount of Fe compounds. To achieve the classification recovery of valuable components ...

Abstract. A selective chlorination process using magnesium chloride (MgCl2) as chlorinating agent was investigated with the aim of developing a process for removing iron directly from ilmenite ...

Metal oxides, such as copper (II) oxide (CuO) and iron (III) oxide (Fe 2 O 3), are dominant active components in fly ash during iron ore sintering.The potential synergetic effects of these oxides on the formation of chlorobenzenes (CBzs), polychlorinated biphenyls (PCBs), and polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) …

The manganiferous iron ore consisted mainly of hematite, magnetite, goethite, and quartz with minor quantities of stilpnomelane, minnesotaite, and chlorite. The manganese minerals identified were manganite and a minor quantity of pyrolusite. The ore was ground in a pulverizer to minus 100 mesh prior to chlorination. Procedures

The resource utilization of cyanide tailings has significant environmental and economic benefits. The efficient recovery of gold from low-grade cyanide tailings containing 1.71 g/t Au was performed by a chlorination roasting–flotation process. The effects of roasting temperature, calcium chloride, internal coke, external coke, copper sulfide …

nickel, copper, and iron were studied, and the results show that,when the roasting temperature is 850 C, the roasting time is 1.5 h, the mass ratio of magnesium chloride hexahydrate to sodium chloride is 5:2, the mass ratio of ore to chlorination agent is 1:0.6, and the ore particle size is 180–200 mesh, the

With the addition of 18 wt% graphite as the carbonaceous reductant, 20 wt% CaCl 2 and 40 wt% MgCl 2 as the chlorination agent, simultaneous selective chlorination and carbothermic reduction of high-iron manganese ore can be achieved after reduction at 1000 °C for 1 h. As much as 89.4% of Mn can be recovered by water-leaching the product, …

The selective chlorination of iron from llmenite ore by CO-Cl2 mixtures: Part II. mathematical modeling of the fluidized-bed process. Metallurgical Transactions B 1990, 21 (2), 331-340.

Co-sintering with iron ore. China has an iron ore sintering output of over one billion tons, and the iron ore sintering process has certain advantages for co-treating MSWI FA (Fan et al. 2022; Huang et al. 2023a). CaO in MSWI FA can be used as a flux to promote the sintering of iron ore, and the high-temperature environment created during ...

Metallurgical processing of low-grade manganese ore with high iron content is gaining increasing attention due to the gradual depletion of high-grade Mn ores, amid the …

This is an extremely motivating discovery, not only due to it can increase the economic value of the pyrite enhanced chlorination roasting, but also it will lead to a new technology to obtain iron from the Fe 2 O 3, FeS 2 and other iron ore, which is being investigated by our team. Download : Download high-res image (440KB)