Magnetic Separation and Enrichment of Fe–Ti …
The highest content of iron oxides is found in SYA-104 (6.91%), while the highest titanium content is in sample SEM-205 (1.56%). Hence, the sands with the highest iron and titanium content may be …
Recovery of titanium from beach sand by physical separation
Titaniferous Magnetites as a Source of Vanadium, …
WEBThe primary function of the kiln is to remove oxygen from the iron sand to produce a partially reduced material with a suitable amount of carbon remaining for the smelter …
Comprehensive Recovery of Iron and Aluminum from …
Iron and aluminum in red mud were recovered by a reductive sintering–magnetic separation–digesting process. The raw materials were composed of ordinary Bayer red mud, MgO, Na2CO3 and C, in which MgO and Na2CO3 were used as mineralizing agents, and C as a reductive agent. Sintering orthogonal experiments …
High-efficiency Magnetic Separation Process In …
Using magnetic separation in sand washing plants can improve product quality, purity and production efficiency, while achieving resource recovery and environmental protection.These advantages …
A Novel Approach for Separation and Recovery of …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation …
High-Titanium Slag Preparation Process by Carbothermic
As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low production efficiency and heavy pollution. In addition, the production of high-titanium slag via electric furnace melting consumes significant energy and possesses low production efficiency. …
A method for recovery of iron, titanium, and vanadium …
coal, followed by the removal of powdery iron from the va-nadium-bearing titanium tailing by magnetic separation. The vanadium-bearing titanium tailing is leached with hydroch-loric acid to produce vanadium-bearing lixivium and tita-nium-bearing residue. Although the recoveries of iron, va-nadium, and titanium are improved greatly using this me-
Recovery of titanium from beach sand by physical …
The titanium and iron distribution of raw beach sand was studied. The results of titanium and iron distribution in different size fractions of raw beach sand are presented in Table 1. It was found that titanium and iron assays were 0.43% and 3.82% respectively in the +1000 microns particle size fraction. No obvious
Efficient Separation and Recovery of Vanadium, Titanium, Iron …
The dumping of a large amount of steel slag not only wastes metal resources, but pollutes the ecological environment. In this study, a method for recovery of vanadium, titanium, iron, magnesium, and synthesizing anhydrite from steel slag is proposed. The leaching efficiency of V, Ti, Fe, and Mg was 99.42%, 99.36%, 99.89%, …
An Efficient Process to Recover Iron from Bayer Red Mud
We have investigated Bayer red mud with a TFe content of 26.86% collected from the Pingguo area of China, and have found that iron is the key metal affecting the extraction of valuable components such as Sc, Ti, and Ga. Based on this, an efficient process of roasting with calcium salt and magnetic separation has been proposed to …
Effects of embedding direct reduction followed by magnetic separation …
The technology used to process titanomagnetite is currently limited to the rotary kiln-electric furnace. Other techniques are being developed, including the separation of iron in the form of iron ...
Selective separation of aluminum, silicon, and titanium …
The flowsheet shown in Fig. 1 involves three main operations: (i) oxalic acid leaching of RM to obtain an iron product and a REE-rich residue (Li et al., 2022a), (ii) pH adjustment for the Fe-removed leachate to precipitate Si and Ti, and (iii) production of Al(OH) 3 and SiO 2 (with Ti entrapped), as the two primary products. Fig. 1 also depicts …
High-Efficiency Smelting Separation of Vanadium–Titanium …
South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chromium [1,2,3].Its ore composition is composed of more than 20 elements [4,5,6].It is the most complex ore of its type in the world and contains more than 10 valuable elements, so it has a very important integrated utilization …
A Novel Process for Titanium Sand by Magnetic Separation …
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 ...
Individual enrichment of titanium and iron from low-titanium …
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 ing behavior during the smelting process ...
The Ironmaking Process
The molten iron has a dissolved carbon content of approximately 3.6% as well as some silicon, manganese, vanadium, and titanium. Slag, which floats on top of the iron, has the function of removing impurities from the iron and its chemical composition and temperature to a large extent determine the chemistry and hence quality of the iron.
A method for recovery of iron, titanium, and vanadium from …
An innovative method for recovering valuable elements from vanadium-bearing titanomagnetite is proposed. This method involves two procedures: low-temperature roasting of vanadium-bearing titanomagnetite and water leaching of roasting slag. During the roasting process, the reduction of iron oxides to metallic iron, the …
The Processing of Beach Sand from Sri Lanka for …
The purity level of TiO2 in Rutile can be increased to more than 99% by removing Iron and optimizing the purification process. Initially, beach sand was screened and separated with Humphrey spiral ...
Individual enrichment of titanium and iron from low-titanium …
Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite. However, the TiO 2 grade in titanium concentrate is low, and few studies have investigated low-titanium beach titanomagnetite. The preconcentration-reduction roasting and magnetic separation process was …
Separation and recovery of titanium and scandium from the …
In this study, a full process in recovery of titanium and rare earth elements (REEs) from the red mud was developed. The suggested route consists of four main stages in the process flow diagram: sample preparation, leaching, hydrolysis, and solvent extraction.Sample preparation is proposed using a two-stage water washing followed by …
Extraction and separation of iron technology and research …
Its advantages over precipitation enable the wide application of the extraction method, which has been a research hotspot in the world in petrochemistry, hydrometallurgy, fine chemical industry, separation, and purification of biochemical substances.Iron extraction has been studied extensively due to the damage caused by iron ions to …
A Novel Process for Titanium Sand by Magnetic Separation …
This novel process achieved an effective processing of the sand and obtained a high-grade ilmenite concentrate assaying 46.30% TiO2 with a high recovery …
Magnetic Separation and Enrichment of Fe Ti Oxides …
Keywords: magnetic separation; iron and titanium oxides; black sand; ilmenite; process design; beach sand; Ecuador 1. Introduction Iron titaniferous sands are natural mixtures of minerals that contain a high percentage of iron and titanium (Fe–Ti) oxides with traces of aluminum and zirconium oxides, among others [1].
Segregation of Iron and Titanium in an Iron Sand …
the iron sand concentrate by XRF (Rigaku, ZSX Primus IV) were then conducted. Tables 1 and 2 list the results of the grain size and chemical composition analysis, respectively. …
Value-added recycling of iron and titanium from bauxite …
The chemical compositions of the RM, which is derived from a lime-free Bayer process in Shandong province, China, are presented in Table 1.The X-ray diffraction (XRD) pattern of RM is presented in Fig. 1. The RM, assaying 58.47 % of Fe, 9.38 % of TiO 2 and 1.71 % of Al 2 O 3, predominantly consist of hematite and iron titanium oxide.The average …
Individual enrichment of titanium and iron from low …
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 ing …
Distribution characteristics of ferro-titanium oxide mineral …
Fractionation of Cilacap iron sand which employed three types of sieve (40, 60 and 80 meshes) showed that the iron sand is dominant in -40+60 fraction (68.38 g) while the most amount of iron and ...
Recent Progress in Titanium Extraction and Recycling
titanium oxide was separated from other oxides in iron sand or rutile ore; metallic titanium, however, could not be extracted by reducing titanium oxide. This was mainly due to the very strong chemical affinity between ... the reduction and separation process, where TiCl 4 is reduced with magnesium metal, from which titanium ...
A novel process for recovery of aluminum, iron, vanadium, …
A novel process for recovery of aluminum, iron, vanadium, scandium, titanium and silicon from red mud was proposed. The parameters of HCl leaching, solvent extraction, polymerization process ...
Efficient separation of vanadium, titanium, and iron from …
1. Introduction. 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, …