separation of titanium

Recovering the metallic content of the red mud is possible using physical and chemical processes. In this regard, vast number of studies have been conducted on recovery of iron from the red mud [21], [22], [23], [24].Various techniques, such as magnetic separation, gravity separation, reduction roasting, and reduction smelting have been …

The separation of titanium (Ti) (IV) in acidic leach solutions of vanadium slag by solvent extraction with trioctyl tertiary amine (N235) is proposed. Because the leach solutions contain a lot of ...

Titanium Ore Processing and Beneficiation. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic.

The separation of titanium (Ti) (IV) in acidic leach solutions of vanadium slag by solvent extraction with trioctyl tertiary amine (N235) is proposed. Because the leach solutions contain a lot of ...

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 …

Highly efficient separation of titanium minerals from a modified bauxite residue through direct reduction: A comparison study - ScienceDirect. Journal of Materials Research and Technology. Volume 26, September–October 2023, Pages 6331-6341.

1. Introduction. Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore resources in China [1,2,3,4].Titanium, as an indispensable metal raw material for the modern industry and advanced science and technology, is mostly …

The present work reports the separation and preconcentration of titanium(IV) with functionalized silica gel (SSG-V10). A density functional theory (DFT) calculation has been performed to analyze ...

Keywords Vanadium–titanium magnetite · Smelting separation · Electric furnace smelting · Ecient utilization of iron ore Introduction South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chro-mium [1–3]. Its ore composition is composed of more than 20 elements [4–6].

The subsequent separation of scandium and titanium from the scandium-titanium residue is the key to recover these two valuable metals from the red mud. Based on the difference in hydrolysis behavior between titanium and scandium, it is feasible to keep the titanium remaining in the solid phase while gradually leaching the scandium …

At various fineness of grinding by magnetic separation, conditioned titanium-magnetite concentrates have been obtained. The yield of the concentrate from the ore is 10.9–10.5 %, with Feобщ ...

A Novel Approach for Separation and Recovery of Titanium, Scandium, Iron from Acidic Wastewater and Red Gypsum Utilization. Published: 21 April 2022. …

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, …

Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium …

Separation and recovery of titanium and scandium from the red mud. April 2023. Separation and Purification Technology 317 (1–2):123882. DOI: 10.1016/j.seppur.2023.123882. Authors: Hossein Habibi ...

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 ...

Abstract and Figures. To effectively recycle and utilize vanadium and titanium resource from the vanadium slag, the crystallization and separation behaviors of V-spinel phase and Ti-spinel phase ...

materials processing. titanium processing, the extraction of titanium from its ores and the preparation of titanium alloys or compounds for use in various products. Titanium (Ti) is a soft, ductile, silvery gray metal with a …

The results showed that by appropriately adjusting the concentration of titanium solution and organic phase composition, the single-stage extraction rate of …

This study proposes a novel approach for the separation and recovery of titanium, scandium, and iron from acidic wastewater and red gypsum utilization. The recovery eciency of titanium in acidic wastewater was 97.59% under the molar ratio of titanium dioxide to phosphoric acid of 1:2.2, the reaction temperature

Separation of iron from titanium acidic solutions with tri-octylphosphine oxide (TOPO) and trioctylamine (TOA) has been investigated. TOA was found to be more selective for extraction of Fe compared with TOPO from HCl concentrations >1 M. Iron could be stripped effectively from the loaded TOA in 1 M HClO 4.Parameters affecting the …

Xi and Geissen have studied the separation of~21 nm titanium dioxide nanoparticles TiO 2 NPs using 0.2 μm polypropylene (PP) and polyethylene (PE) MF membranes (Xi and Geissen, 2001). PP membrane ...

Efficient separation of vanadium, titanium, and iron from vanadium-bearing titanomagnetite by pressurized pyrolysis of ammonium chloride-acid leaching-solvent extraction process. ... Titanium-bearing blast furnace slag (TBFS) is an important secondary resource, accounting for half of the world's titanium resource reserves, but its …

Separation rate in reciprocating instruments was similar in single-use or in multiple uses 0.2%. Conclusions: Separation of instruments has dropped recently and seems to be a minor problem in current Endodontics. Multiple uses of NiTi rotary instruments are a possibility without significantly increasing the risk of instrument …

The separation and recovery of V(V) and Cr(VI) from solution can achieve the dual purpose of resource utilization and environmental protection. In this work, amorphous titanium-based microspheres with a large specific surface area of 574.86 m 2 /g were prepared by the simple hydrolysis of titanium alcohol. This adsorbent exhibited …

The extraction and separation of titanium and iron from a simulated titanium dioxide solution by sulfuric acid method was systematically studied using TRPO as the extractant. The results showed that by appropriately adjusting the concentration of titanium solution and organic phase composition, the single-stage extraction rate of …

The resulting enhancement of niobium extraction and the separation of niobium and titanium by oxalate were studied. The presence of oxalate was found to be critical for extracting niobium in the H 2 SO 4 system. In addition, the effects of various parameters including the concentrations of aqueous H + and N235, phase ratio, …

As a result, effective separation of titanium minerals and iron minerals was achieved, while the separation of vanadium and titanium was also realized. 2. Materials and methods2.1. Raw material. The raw material is a mixed of ilmenite and hematite obtained via high-intensity magnetic separation of a certain titanium-vanadium hematite …

Abstract. 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 …

The separation and extraction of titanium, iron, and alumina from coal fly ash can provide economic and environmental benefits. This work presents an electrolysis-hydrolysis method to alter the precipitation order of iron and alumina by changing the ion charge sequence to extract iron and alumina in an orderly manner while recovering the …

The results show that a concentrate with a TiO 2 grade of 9.90% can be separated via weak magnetic separation and coarse particle tailing dumping. The concentrate grade is then increased to 14.32% via strong …

The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents the first study on the separation of titanium, vanadium and chromium from oxalic acid leachate of VS. Firstly, the separation of titanium from the leachate by hydrothermal …

Nevertheless, the intracanal separation of Nickel-Titanium rotary instruments is still a major concern of endodontists, with a consequent possible reduction in the outcome rate. As thoroughly demonstrated, the two main causes of intracanal separation of endodontic instruments are the cyclic fatigue and the torsional loads.

The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents the first study on the separation of …

The solvent extraction method for extracting scandium from titanium dioxide waste acid is usually accompanied by co-extraction of titanium. In this paper, the scandium and titanium separation of the Sc(III) and Ti(IV)-loaded organic phase and the recovery of scandium were studied. A new scrubbing agent containing Na3Cit and H2O2 …

The raffinate obtained after extracting scandium from titanium dioxide waste acid (hereafter, waste acid-A) contains a lot of valuable components. The extraction separation process of Ti(IV) and Fe(II) from the raffinate using a D2EHPA-sulfonated kerosene extraction system was studied under different conditions. The results showed …

Abstract. This study focuses on the separation of titanium dioxide from water by cross-flow microfiltration (CMF) within wastewater treatment by photocatalysis using slurry reactor systems. The systematic studies have shown that the separation performance of TiO2 particles is strongly affected by cross-flow velocity, transmembrane pressure ...

A Novel Approach for Separation and Recovery of Titanium, Scandium, Iron from Acidic Wastewater and Red Gypsum Utilization. Jinrong Ju1,2,3 · Yali Feng1 · Haoran Li2,3 · …

This article is cited by 32 publications. Mohsin. Qureshi, K. G. Varshney, and R. C. Kaushik. Cation exchange studies of titanium (4+), vanadium (5+), iron (3+), niobium (5+), and …