Separation of Titanium by Cation Exchange and Its Spectrophotometric Determination with Disodium-1,2-dihydroxybenzene-3,5-disulfonate.. Analytical Chemistry 1963, 35 (9), …
The solid waste and waste acid generated during the production of titanium dioxide contain considerable amount of scandium, which are valuable secondary …
This notable disparity enables the effective separation and purification of titanium from titanium-containing slag. Furthermore, the solubility data for sodium titanates obtained in this study can inform the volume of sulfuric acid required for practical acid leaching of titanium-containing slag.
Separation of iron from titanium acidic solutions with tri-octylphosphine oxide (TOPO) and ctylamine (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 …
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-
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 TiO 2 particles is strongly affected by cross-flow velocity, transmembrane pressure, feed ...
Our focus was on understanding the separation behavior of iron and titanium and determining the metallization rate and separation efficiency. This study provides important theoretical and technical support for achieving the enrichment and separation …
The experimental results agree well with the thermodynamic predictions. A better separation of NaCl-KCl salt from titanium powder was demonstrated by employing SEM-EDS and XRD characterizations. NaCl-KCl salt can be comprehensively recoveried after vacuum distillation and the purified titanium powder was concentrated as the …
The separation of titanium (Ti) (IV) in acidic leach solutions of vanadium slag by solvent extraction with ctyl 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 ...
With the widespread expansion of titanium applications and its significant increase in usage, the issue of recycling titanium resources after consumption has emerged. …
By controlling the hydrolysis rate of titanium alcohol, sufficient sites with adjustable defects for adsorption can be obtained, which may be useful for V(V)/Cr(VI) separation. In this work, amorphous-titanium-based microspheres (ATMs) are prepared by hydrolysis during coordination at room temperature.
The results of the separation behavior of titanium at various magnetic intensities are shown in Fig. 6 (b); at a magnetic intensity of 0.5 T, the grade and recovery rate of titanium increased significantly, and at 0.8 T, the titanium content and recovery rate were 15.8% and 75%, respectively.
A method for the production of titanium metal from titanium-bearing ore. The method comprises leaching said ore or a concentrate thereof with an aqueous solution of a hydrogen halide; separating solids from the leach solution, to provide a leachate solution. The leachate solution may be subjected to extraction with an immiscible organic phase …
At present, acidic wastewater is directly neutralized with lime or limestone, which wastes resources such as titanium, scandium, and iron and generates a great …
Phenylacetylhydroxamic acid is used to separate titanium and zirconium from niobium in an oxalate medium at pH 6.5--7.5 in presence of ammonium chloride at room temperature.
Vanadium slag is a strategic vanadium extracting source, which is produced from the hot-metal treatment prior to the basic oxygen steelmaking (BOS) or during the converter steelmaking process by using vanadium–titanium magnetite (VTM) ore [1,2].This VTM ore has been extensively found in different countries, e.g., South Africa, Russia …
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 …
The speciation of titanium in hydrochloric acid solution directly affects its extraction behaviour by various kinds of extractants. The titanium species present in acid media remains controversial (Kelley, 1982).The question that the divalent titanyl ion exists whether as TiO 2+ or as Ti(OH) 2 2 + (Gotton and Wilkinson, 1980) resulted in different …
In the separation of raw ore, Zhang Yanhua and Han Yuexin et al. used weak magnetics to enrich vanadium-titanium magnetite with strong magnetism, and then selected gravity separation, high gradient magnetic separation, electric separation, flotation or their combined processes to obtain titanium concentrate products according to the …
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 present, there are mainly two forms of the separation of raw ore and metallurgical enrichment for the utilization of titanium . In the separation of raw ore, Zhang Yanhua and Han Yuexin et al. used weak magnetics to enrich vanadium-titanium magnetite with strong magnetism, and then selected gravity separation, high gradient …
The stepwise selective separation of aluminum, silicon, and titanium from red mud-oxalic acid leachate could assist the values recovery and simultaneously minimize environmental hazards of the acidic leachate. Graphical abstract. Download: Download high-res image (299KB)
We introduce the principle of a new technique to isolate glycosphingolipids (GSLs) from phospholipids. Neutral and acidic GSLs in organic solvent bind to titanium dioxide under neutral pH and can be eluted with 5 mg/ml of 2,5-dihydroxybenzoic acid in methanol. This special property is applicable for eliminating phospholipids, including …
This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing titanomagnetite using extractant P204 (di-(2-ethylhexyl) phosphate) and P507 (2-ethylhexyl hydrogen-2-ethylhexyl phosphonate). Based on the speciation analysis of vanadium in sulfuric acid …
Titanium dioxide (TiO 2) is a naturally occurring oxide of titanium, exhibiting three crystalline phases known as anatase, rutile, and brookite ... Magnetic separation is a robust technique for rapid separation and concentration of analytes of interest from complex sample matrices without affecting their physical properties and morphological ...
Efficient utilization of vanadium–titanium magnetite can be achieved by high-temperature pyrometallurgical smelting separation of the material. The fusibility of vanadium–titanium magnetite during reduction and smelting reflects the difficulty of smelting separation. In this study, the direct reduction of iron obtained from the …
F. A. Gooch, On the Separation of Titanium and Aluminum, with a Note on the Separation of Titanium and Iron, Proceedings of the American Academy of Arts and Sciences, Vol. 20 (May, 1884 - May, 1885), pp. 435-447
The processing of titanium magnetite ores usually entails a combination of magnetic separation, gravity enrichment, flotation, and a comprehensive technique that includes preparatory roasting [[10], [11], [12]].This intricate procedure greatly amplifies its …
The separation of titanium, vanadium and chromium in vanadium slag (VS) is a difficult problem restricting the comprehensive utilization of VS. This paper presents …
Separation of Titanium by Cation Exchange and Its Spectrophotometric Determination with Disodium-1,2-dihydroxybenzene-3,5-disulfonate.. Analytical Chemistry 1963, 35 (9), 1255-1257.
