Method for the Separation of Titanium, Zirconium, …
A method is described for the separation of titanium, zirconium, iron, and aluminum from one another and for their subsequent determination. Iron is first precipitated with 1 …
(PDF) Separation of Vanadium and Titanium Phase from the …
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 ...
Extraction and separation of titanium(IV) with D2EHPA and …
Keywords: extraction, titanium, separation, D2EHP A, PC-88A and stripping. INTRODUCTION. Titanium metal has become known as a space-age metal because of its high stren-
Sustainable recovery of titanium from secondary …
The results showed that by appropriately adjusting the concentration of titanium solution and organic phase composition, the single-stage extraction rate of …
An Update on Nickel-Titanium Rotary Instruments in …
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.
Extraction Separation of Ti(IV) and Fe(II) Using D2EHPA from …
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 …
Selective separation of aluminum, silicon, and titanium …
@article{Li2023SelectiveSO, title={Selective separation of aluminum, silicon, and titanium from red mud using oxalic acid leaching, iron precipitation and pH adjustments with calcium carbonate}, author={Wanyan Li and Ning Wang and Fanghai Lu and Hongyun Chai and Hannian Gu}, journal={Hydrometallurgy}, year={2023}, url={https://api ...
Titanium processing | Technology, Methods, & Facts …
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 …
Separation and recovery of scandium and titanium from red …
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 …
Separation of titanium dioxide from photocatalytically treated water …
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 ...
Simultaneous and clean separation of titanium, iron, and …
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 …
Separation of titanium from silicates for isotopic ratio …
A new separation method of Ti from silicate materials is presented that is suitable for the determination of natural Ti isotope variations using multi-collector inductively coupled plasma source ...
Effect of Na2SO4 on the Embedding Direct Reduction of …
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 ...
Materials | Free Full-Text | Hydrothermal Separation …
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 …
Reuse of waste acid from titanium dioxide industry: Efficient …
In recent years, the focus of acid titanium dioxide wastewater utilization has primarily been on titanium recovery through methods such as extraction separation [5], [6], [7], membrane separation [8], and distillation [9]. However, the development of simpler, more cost-effective, and faster recovery methods is still necessary due to the ...
A Novel Approach for Separation and Recovery …
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 · …
Effective separation of iron from titanium by transport …
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 …
Separation of titanium dioxide from photocatalytically …
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 ...
Separation and recovery of titanium and scandium from …
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 …
(PDF) Magnetic separation of titanium-containing minerals
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 ...
The Separation of Titanium, Zirconium and Thorium …
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 …
Mineralogical reconstruction of Titanium-Vanadium hematite …
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 …
A Novel Approach for Separation and Recovery 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
Separations | Free Full-Text | Separation of Ilmenite …
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 …
Separation of titanium from iron in hydrochloric solution by …
The optimum condition of the experiment was obtained at 25 ±2°C, O/A 1, TBP concentration 90% and contact time of 15 minutes, with iron extraction of 99.99%, titanium extraction 1.84%, and separation factor of iron-titanium (β Fe-Ti) of 394,185. Meanwhile, the optimum condition for stripping was obtained at room temperature by …
Mineralogical reconstruction of Titanium-Vanadium hematite …
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 …
Separations | Free Full-Text | Separation of …
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 …
Hydrothermal Separation of Titanium Vanadium and …
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 …
Separation of titanium from vanadium and iron in leach …
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 vanadium (V) and iron (Fe) impurities, the effects of various conditions on the separation of Ti, V, and Fe were investigated. Then, the extraction ...
Fusion Separation of Vanadium-Titanium Magnetite and …
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 …