vanadium titanium bridgetown-conferentie over energieopslag
rondom-vanadium titanium bridgetown-conferentie over energieopslag
Dynamics of vanadium and response of inherent bacterial communities in vanadium-titanium …
DOI: 10.1016/j.envpol.2023.121743 Corpus ID: 258512654 Dynamics of vanadium and response of inherent bacterial communities in vanadium-titanium magnetite tailings to beneficiation agents, temperature, and illumination. In this paper, potassium salt roasting ...
Comparative study on grinding kinetics behavior of vanadium-titanium …
1 Liaoning Petrochemical University, Fushun, 113001, PR China 2 Northeastern University, Shenyang 110819, PR China * e-mail: [email protected] .cn Received: 25 May 2023 Accepted: 31 January 2024 Abstract Vanadium-titanium magnetite ...
Present Status and Development of Comprehensive Utilization of …
Efficient preconcentration and extraction of titanium from titanium bearing blast furnace slag, titanium concentrate, rich titanium material or high titanium slag, and changing …
Overview of Global Vanadium-titanium Magnetite Resources and …
This paper summarizes the distribution of vanadium titanium magnetite in the world and its comprehensive utilization progress. vanadium titanium magnetite is a composite ore of …
Non-isothermal kinetics and thermodynamics analysis of …
Thermodynamic analysis showed that the addition of basicity promoted the reduction of vanadium-titanium magnetite, and the reaction onset temperature gradually increased …
Vanadium mobilization and redistribution during mineral …
This study reveals that the dissolved V influenced the fractionation and redistribution of solid-phase V during tailing weathering, improving the understanding of the geochemical …
NH3-SCR denitration catalyst performance over vanadium–titanium …
Selective catalytic reduction technology using NH 3 as a reducing agent (NH 3-SCR) is an effective control method to remove nitrogen oxides.TiO 2-supported vanadium oxide catalysts with different levels of Ce and Sb modification were prepared by an impregnation method and were characterized by X-ray diffractometer (XRD), Brunauer–Emmett–Teller …
Vanadium
Element Vanadium (V), Group 5, Atomic Number 23, d-block, Mass 50.942. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. About 80% of the vanadium produced is used as a steel additive. Vanadium-steel alloys are very ...
The response of bacterial communities to V and Cr and novel reducing bacteria near a vanadium‑titanium …
Soil contamination with multiple heavy metals has always been a pressing issue, but little attention has been given to V and Cr and their chemical fractions'' impacts on microorganisms because Cr<sub>2</sub>O<sub>3</sub> usually occurs as an associated mineral in vanadium mines. To investigate this i …
Extraction of Vanadium and Chromium from the Material Containing Chromium, Titanium and Vanadium
Therefore, how to extract titanium, vanadium and chromium from the concentration material containing the oxides of titanium, vanadium and chromium became one of the key problems. The objective of the present work was to study the extraction of vanadium and chromium from the concentration material containing titanium, vanadium and chromium …
Strategy and Technical Progress of Recycling of Spent Vanadium-Titanium …
Selective catalytic reduction denitration technology, abbreviated as SCR, is essential for the removal of nitrogen oxide from the flue gas of coal-fired power stations and has been widely used. Due to the strong demand for energy and the requirements for environmental protection, a large amount of S …
High-chromium vanadium–titanium magnetite all-pellet integrated …
Keywords: high-chromium vanadium–titanium magnetite; softening–melting properties; all pellets integrated burden; flux pellets 1. Introduction High-chromium vanadium–titanium magnetite (HVTM) is an iron ore resource with profitable development prospects.
Analysing the HIsmelt process for smelting vanadium–titanium …
In response to the problem of rich vanadium–titanium magnetite (VTM) resources in China contrasting with low blast furnace utilization, a HIsmelt process for smelting VTM is proposed. 2. Xin HJ, Wang SS, Chun T, et al. Effective pathways for energy conservation ...
Vanadium mobilization and redistribution during mineral …
Herein, a series of concentrations of V(V) (0–200 mg L −1) solutions were added to the vanadium‑titanium magnetite tailings at different depths separately to simulate the …
Reduction of chengde vanadium titanium magnetite concentrate …
Vanadium titanium magnetite (VTM) is a multi-metal composite of metal minerals with extensive utilization value because it is a principal carrier of iron, vanadium, and titanium [1,2]. VTM exhibits a dense structure and complex interactions; thus, directly extracting valuable metals from it is challenging.
Vanadium vs Titanium
Vanadium and Titanium are transition metals used for various industrial applications for years. While they share a lot in common, there are also significant differences in their properties and applications. When selecting the perfect stainless steel for your project, you ...
Optimal process parameters for direct carbothermal reduction of vanadium‐titanium …
Through direct reduction, the transformation process of iron oxide in vanadium-titanium magnetite is Fe 3 O 4 → iron oxide → Fe, and the transformation process of titanium-iron oxide is Fe 9 TiO 15 → Fe 2.75 Ti 0.25 O 4 → Fe 2.5 Ti 0.5 O 4 → iron titanate →
Phase transformation and slag evolution of vanadium–titanium …
furnace process is the main approach for utilizing vanadium–titanium magnetite (VTM) and ... The experimental results revealed that disintegration mainly occurred over the temperature range of ...
Relationship between the Phases, Structure, MgO Migration and the Reduction Performance of the Pre-oxidized Vanadium-titanium …
Vanadium-titanium magnetite (VTM) ore preserved in Panzhihua district (Sichuan, China) accounts for 95% of the total resource in China and a quarter of that in the world,1) which is a good source of the iron, vanadium, titanium.2) Currently, blast furnace (BF) is still ...
Study of the High Temperature Metallurgical Properties of On-Site Samples with Vanadium–Titanium …
iron and vanadium are reduced into hot metal, while almost all of Ti passes to the slag [2]. Over recent years, researches on the properties of sinter, pellet and slag with vanadium titanium magnetite have been conducted. Bristow et al. [8] showed that increasing
Contrasted speciation distribution of toxic metal(loid)s and microbial community structure in vanadium-titanium …
and the microbial community in vanadium-titanium (V-Ti) magnetite tailing profiles derived from dry and wet stockpiled methods. In wet tailings, the bioavailability of Cr, Cu, Mn, Ni, V, and Zn was higher than that in dry tailings as identified by BCR sequential ...
Metals | Free Full-Text | Study of Tuyere Combustion Flame Temperature in Vanadium and Titanium …
The steel industry is an important foundation of the national economy and the livelihood of the people, producing a large amount of carbon dioxide gas, accounting for about 70% of the carbon dioxide gas generated in the steel industry, which occurs during the ironmaking process. Therefore, the key technology to reduce the pollution and improve …
High-Efficiency Smelting Separation of Vanadium–Titanium …
Journal of Sustainable Metallurgy (2023) 9:1126–1138 11271 3 Graphical Abstract Crucible Initialstage Formationo f slag-metali nterface Slag-metal smelting separation Molten titanium slag Vanadium-containing molten iron Direct reductionp roducts +Activated
Vanadium
Vanadium foil is used in cladding titanium to steel because it is compatible with both iron and titanium. The moderate thermal neutron-capture cross-section and the short half-life of the isotopes produced by neutron …
Present Status and Development of Comprehensive Utilization of …
The method of extracting vanadium and titanium from titanium iron concentrate is referred to as the non-blast furnace iron making process, such as electric furnace smelting …
High-Efficiency Smelting Separation of Vanadium–Titanium …
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 carbothermal reduction of …
Vanadium mobilization and redistribution during mineral transformation of vanadium-titanium …
DOI: 10.1016/j.scitotenv.2023.165068 Corpus ID: 259244649 Vanadium mobilization and redistribution during mineral transformation of vanadium-titanium magnetite tailings with different weathering degrees. The geochemical cycling of vanadium (V) in mining areas ...
Comprehensive Utilization of Vanadium–Titanium Magnetite …
Comprehensive Utilization of Vanadium–Titanium Magnetite Deposits in China Has Come to a New Level - Ziguo - 2013 - Acta Geologica Sinica - English Edition …
Influence of the temperature of calcination of a vanadium-titanium …
The authors conduct an investigation of the influence of the temperature of calcination of the vanadium-titanium catalyst on its activity and selectivity in the oxidative ammonolysis of alkylpyridines in the range of calcination temperatures 700-1000/sup 0/C. The ...
Analysing the HIsmelt process for smelting vanadium titanium …
In response to the problem of rich vanadium–titanium magnetite (VTM) resources in China contrasting with low blast furnace utilization, a HIsmelt process for smelting VTM is …
Mass Action Concentration Calculation and Experimental Study on Molten Vortex Direct Reduction of Vanadium–Titanium …
tion of vanadium–titanium magnetite is as follows: Table I. Composition of Vanadium–Titanium Magnetite (Pct) Component SiO 2 TiO 2 TFe V FeO MgO Al 2O 3 CaO Content/Pct 4.49 15.35 50.78 0.633 19.76 0.64 1.79 …