MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Decomposition of vanadium and titanium water slag
Mechanism on the Separation of Vanadium and
2022年7月13日 This work aims to investigate the decomposition and transformation of vanadium slag during ammonium salt roasting, using a combination of FTIR, XRD, XPS and SEM techniques It was found that the 2018年4月25日 The method of hightemperature water quenching pretreatment for the vanadium slag has been proven to be effective for vanadium and titanium separation In detail, compared Simultaneous extraction of vanadium and titanium from vanadium 2024年6月1日 The wet decomposition process of calcification roasted vanadium slag is currently the most energyefficient and environmentally friendly method for obtaining vanadium Review of leaching, separation and recovery of vanadium from 2015年6月21日 A process of NaOH molten salt roasting–water leaching to treat titanium–vanadium slag obtained by direct reduction of titanomagnetite concentrates was Recovery of titanium and vanadium from titanium–vanadium slag
Simultaneous extraction of vanadium and titanium from vanadium
2018年4月25日 A novel environmentally friendly process, based on (NH 4) 2 SO 4 roasting and dilute H 2 SO 4 leaching, to simultaneously extract vanadium and titanium from vanadium slag 2022年7月29日 Using NH4HSO4 (ABS) as an additive and roasting the slag in the N2 atmosphere, those spinels would be decomposed into various sulfate saltsMechanism on the Separation of Vanadium and Titanium from 2system as the main components of vanadium slag were investigated The results indicated that the suitable tem peratures for precipitating Vspinel phase and Tispinel phase were chosen Separation of Vanadium and Titanium Phase from the Vanadium The results show that anosovite (MgxTi3xO5) and clinopyroxene [Ca(Ti,MgAl)(SiAl)2O6] are the major phases of titanium–vanadium slag In the NaOH molten salt roasting process, titanium is Recovery of titanium and vanadium from titanium–vanadium slag
Coextraction of Vanadium Titanium and Chromium from
2021年9月13日 A novel process for coextraction of vanadium titanium and chromium from vanadium slag is developed, which is with the characteristic of oxalic acid hydrothermal 2013年1月15日 In this process, the titanomagnetite concentrates is first selective reduced by pulverized coal, and then magnetically separated to produce the iron concentrate powder and A novel process for recovery of iron, titanium, and vanadium from 2019年10月11日 The kinetics investigation indicates that the decomposition of titanium slag is controlled by mass diffusion in thed residual layer and the apparent activation energy is 431 kJ/mol 98% of KOH and 86% of NaOH can be recycled by a water leaching Mn and Ti during comprehensive utilization of vanadium slag Waste Management 2021 Novel Process for Titanium Dioxide Production from Titanium Slag2018年4月25日 The method of hightemperature water quenching pretreatment for the vanadium slag has been proven to be effective for vanadium and titanium separation In detail, compared with the raw vanadium slag, the extraction rate of waterquenched vanadium and titanium increased by 16% and 12%, respectively Furthermore, theSimultaneous extraction of vanadium and titanium from vanadium slag
A review on the metallurgical recycling of vanadium from slags:
2021年5月1日 Understanding the important applications of vanadium, it is essential to ensure the sustainable production and supply of vanadium In nature, vanadium is found in the form of oxides, sulfides and phosphates which are associated with other metals such as iron, titanium, lead, aluminum, zinc, uranium, etc, as titanomagnetite, patronite, vanadinite, descloizite and 2015年6月21日 A process of NaOH molten salt roasting–water leaching to treat titanium–vanadium slag obtained by direct reduction of titanomagnetite concentrates was investigated Xray diffraction (XRD), scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS), and thermogravimetry–differential scanning calorimetry Recovery of titanium and vanadium from titanium–vanadium slag 2021年3月4日 Calcium vanadate (CaV2O6), a new product of vanadium precipitation, was obtained from vanadium slag by sodium roastingwater leaching and calcium precipitation The separation behavior of vanadium and silicon in vanadium slag during sodium roasting and water leaching was systematically studied, and micromorphology and valence migration behavior of Efficient Separation of Silicon and Vanadium by Sodium RoastingWater 2022年4月16日 Although vanadium slag contains various valuable metals, including vanadium, titanium, chromium, iron, etc, it is only used to extract the vanadium due to technical limitations In order to realize the comprehensive utilization of vanadium slag, a new approach was proposed in this work First, the hydrogen reduction of vanadium slag was investigated The phase and A New Approach for the Comprehensive Utilization of Vanadium Slag
A novel process for recovery of iron, titanium, and vanadium
2013年1月15日 Optimization of Soda ash Roastingwater Leaching Conditions for Vanadium Recovery from a Vanadiumbearing Titaniferous Magnetite Ore R Kim Minseuk Kim +6 authors Hoseok Jeon The kinetics of the decomposition of acid dissolved titanium slag with a sodium hydroxide system under atmospheric pressure was studied2024年8月12日 Vanadium is a globally scarce resource and in high demand for China’s new energy, new material, and aerospace industries [1,2,3,4,5,6,7,8,9] More than 90 pct of vanadium resources in China exist in the form of vanadium–titanium–magnetite[10,11,12] Converter vanadium slag, as an important byproduct of the converter steelmaking process, contains 8 to Effects of Spinel Crystallization Characteristics on Leaching Vanadium A process of NaOH molten salt roasting–water leaching to treat titanium–vanadium slag obtained by direct reduction of titanomagnetite concentrates was investigated Xray diffraction (XRD), scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS), and thermogravimetry–differential scanning calorimetry (TG–DSC) techniques were used to Recovery of titanium and vanadium from titanium–vanadium slag 2024年5月29日 The sodium roastingwater leaching technique is the major technique for vanadium extraction from vanadium slag in industry, which suffers from the low vanadium extraction efficiency and thus low sustainability The lack of intrinsic evolution mechanism of vanadiumcontaining phases during sodium roasting hinders the improvement of vanadium Phase Evolution Mechanism of Vanadium Slag During Sodium
Pressure leaching of converter vanadium slag with waste titanium
2014年3月18日 Vanadium is widely distributed in the nature, accounting for about 002 wt% of the crust, and there is a symbiotic relationship among vanadium, iron, titanium, and uranium in the mineral []China is rich in the resources of titanomagnetite, mostly deposited around the Panzhihua, Sichuan, Chengde, and Hebei areas [2, 3]As the titanomagnetite smelting 2012年11月2日 A novel process for recovering iron, titanium, and vanadium from titanomagnetite concentrates has been developed In the present paper, the treatment of rich titaniumvanadium slag by NaOH molten A novel process for recovery of iron, titanium, and vanadium Request PDF On Nov 1, 2014, Zhonghang Wang and others published Electrochemical decomposition of vanadium slag in concentrated NaOH solution Find, read and cite all the research you need on Electrochemical decomposition of vanadium slag in 2012年1月1日 Considering the different characteristics of mineral resources, various titanium slag metallurgical processes have been reviewed QIT and RBM use oxidizing roast and magnetic separation to remove A literature review of titanium slag metallurgical processes
Asynchronous extraction of vanadium and chromium from vanadium slag
Request PDF On Jul 31, 2015, HongYi Li and others published Asynchronous extraction of vanadium and chromium from vanadium slag by stepwise sodium roasting–water leaching Find, read and 2020年1月21日 Vanadium is a very important material widely applied in the iron and steel industry, aviation and aerospace, chemical, and pharmaceutical industry due to its special chemical and physical properties []Almost 88% of vanadium worldwide is extracted from vanadiumtitanium magnetite ore, and the remaining is extracted from stone coal, spent Mechanism of Extraction of Vanadium from Vanadium Slag with 2015年11月18日 Decomposition of Tislag in NaOHNaNO 3 system in the temperature range of 598 K to 673 K (325 °C to 400 °C) is a typical liquid–solid reaction and the morphology and chemical analysis of Tislag illustrates that the extraction of titanium from Tislag can be described by the unreacted shrinking core model[22,28] The basic equation as shown in EqDecomposition Kinetics of Titania Slag in Eutectic NaOHNaNO2024年6月21日 Vanadium slag is the primary source for vanadium extraction and also a source for chromium production owing to containing a considerable amount of chromium However, it is challenging to extract vanadium and chromium in a green, safe, simple, and efficient way under ambient conditions Here we report a facile process for simultaneous extraction of vanadium Oxidative Leaching of Vanadium and Chromium from Vanadium Slag
Research progress of vanadium extraction processes from vanadium slag
2024年8月21日 The utilization of vanadium slag by reduction technology not only fully utilizes iron and vanadium, but also does not produce ammonia nitrogen waste water, and does not produce waste slag containing toxic hexavalent chromium and pentavalent vanadium 9265 % of the vanadium produced in the world is added to steel in the form of ferrovanadium, vanadium 2017年9月1日 In the pyrometallurgical method, vanadiumcontaining concentrate is smelted, and by forming titaniumcontaining slag and molten pig iron, oxygen is blown into pig iron in a converter or shaking Extraction of vanadium from converter slag by twostep 2024年2月3日 Materials The original vanadium slag (M0) used in the experiments was collected from Pan Steel in China Analytical reagents were added to the original vanadium slag to prepare the premelted vanadium slag with different MgO, MnO, and Al 2 O 3 content The chemical compositions of the slag samples are shown in Table 1The deionized water used in the Effect of MgO, MnO, and Al2O3 on Vanadium Extraction in2024年2月15日 Mu et al (2011) showed that pressure acid leaching could achieve selective separation of vanadium and titanium The leaching rate of vanadium from slag could reach 9687% (Mu et al, 2011) On this basis, Zhang et al (2015a) further studied the optimal conditions for extracting vanadium from steel slag, and the leaching rate could reach 9769%Vanadium extraction from steel slag: Generation, recycling and
Efficient Recovery of Vanadium and Titanium from
2023年9月29日 The traditional roasting technique using sodium salts in vanadium production has been disadvantageous due to the large consumption of energy and the emission of harmful gases A modified process using molten 2017年5月4日 Moreover, the acid decomposition efficiency of titanium slag reached 9645% Compared with traditional processes, the novel process provides several advantages, including a shorter flow, a lower energy consumption, and a higher utilization efficiency of vanadiumbearing titanomagnetite resourcesA novel process for the recovery of iron, titanium, and vanadium 2024年5月1日 Vanadium slag is a major raw material for V extraction, and approximately 748 % of the world's vanadium products are generated directly from vanadium slag (Liu et al, 2023; Wang et al, 2020a) In addition, it contains other valuable elements, such as iron (35–40 wt % FeO), chromium (3–8 wt% Cr 2 O 3 ), and titanium (9–15 wt% TiO 2 )Microbubbleassisted liquid oxidation for efficient onestep phase 2024年2月16日 Titanium slag (TS) is the byproduct during the metallurgical process for enriching vanadiumtitanium magnetite, whose annual output is up to 5 million tons [12], [13] Statistically, the accumulated stock of TS in China exceeds 80 million tons, while the recycled utilization ratio is less than 3% [14] Feasible use of titanium slag in improving properties of low
Insight into the oxidation mechanisms of vanadium slag and its
2023年6月15日 Vanadium slag contains valuable element vanadium and heavy metal element chromium V and Cr in the traditional oxidation roasting process were simultaneously oxidized by oxidant O 2 in the air, which made the separation of V and Cr difficult, and produced highly toxic Cr 6+ that polluted seriously the environment The valence states of Fe, Cr and V in vanadium 2022年9月30日 In view of the problem that the enrichment and migration law of the Ti element in the slag of vanadiumtitanium magnetite during the melting process is not clear, the phase transformation is not clear and the enrichment effect is not obvious, the single factor experiment and orthogonal experiment are used to optimize the melting conditions of Ti enrichment Fusion Separation of VanadiumTitanium Magnetite and 2024年6月1日 Vanadium is a strategic metal with extensive applications in steel production and emerging energy technologies In vanadium metallurgy, the pivotal steps encompass the roasting of vanadium slag, leaching, and precipitation of vanadiumThe roasting process, which involves elements such as sodium, calcium, manganese, and magnesium, facilitates the phase Review of leaching, separation and recovery of vanadium from 2013年10月30日 Titaniumbearing electric furnace slag (TEFS) was prepared from vanadium titanomagnetite and leached with sulfuric acid The Ti leaching rate of vanadium titanomagnetite TEFS is significantly Novel Process for Titanium Dioxide Production from Titanium Slag
Novel Process for Titanium Dioxide Production from Titanium Slag
2019年10月11日 The kinetics investigation indicates that the decomposition of titanium slag is controlled by mass diffusion in thed residual layer and the apparent activation energy is 431 kJ/mol 98% of KOH and 86% of NaOH can be recycled by a water leaching Mn and Ti during comprehensive utilization of vanadium slag Waste Management 2021 2018年4月25日 The method of hightemperature water quenching pretreatment for the vanadium slag has been proven to be effective for vanadium and titanium separation In detail, compared with the raw vanadium slag, the extraction rate of waterquenched vanadium and titanium increased by 16% and 12%, respectively Furthermore, theSimultaneous extraction of vanadium and titanium from vanadium slag 2021年5月1日 Understanding the important applications of vanadium, it is essential to ensure the sustainable production and supply of vanadium In nature, vanadium is found in the form of oxides, sulfides and phosphates which are associated with other metals such as iron, titanium, lead, aluminum, zinc, uranium, etc, as titanomagnetite, patronite, vanadinite, descloizite and A review on the metallurgical recycling of vanadium from slags: 2015年6月21日 A process of NaOH molten salt roasting–water leaching to treat titanium–vanadium slag obtained by direct reduction of titanomagnetite concentrates was investigated Xray diffraction (XRD), scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS), and thermogravimetry–differential scanning calorimetry Recovery of titanium and vanadium from titanium–vanadium slag
Efficient Separation of Silicon and Vanadium by Sodium RoastingWater
2021年3月4日 Calcium vanadate (CaV2O6), a new product of vanadium precipitation, was obtained from vanadium slag by sodium roastingwater leaching and calcium precipitation The separation behavior of vanadium and silicon in vanadium slag during sodium roasting and water leaching was systematically studied, and micromorphology and valence migration behavior of 2022年4月16日 Although vanadium slag contains various valuable metals, including vanadium, titanium, chromium, iron, etc, it is only used to extract the vanadium due to technical limitations In order to realize the comprehensive utilization of vanadium slag, a new approach was proposed in this work First, the hydrogen reduction of vanadium slag was investigated The phase and A New Approach for the Comprehensive Utilization of Vanadium Slag2013年1月15日 Optimization of Soda ash Roastingwater Leaching Conditions for Vanadium Recovery from a Vanadiumbearing Titaniferous Magnetite Ore R Kim Minseuk Kim +6 authors Hoseok Jeon The kinetics of the decomposition of acid dissolved titanium slag with a sodium hydroxide system under atmospheric pressure was studiedA novel process for recovery of iron, titanium, and vanadium 2024年8月12日 Vanadium is a globally scarce resource and in high demand for China’s new energy, new material, and aerospace industries [1,2,3,4,5,6,7,8,9] More than 90 pct of vanadium resources in China exist in the form of vanadium–titanium–magnetite[10,11,12] Converter vanadium slag, as an important byproduct of the converter steelmaking process, contains 8 to Effects of Spinel Crystallization Characteristics on Leaching Vanadium
Recovery of titanium and vanadium from titanium–vanadium slag
A process of NaOH molten salt roasting–water leaching to treat titanium–vanadium slag obtained by direct reduction of titanomagnetite concentrates was investigated Xray diffraction (XRD), scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS), and thermogravimetry–differential scanning calorimetry (TG–DSC) techniques were used to 2024年5月29日 The sodium roastingwater leaching technique is the major technique for vanadium extraction from vanadium slag in industry, which suffers from the low vanadium extraction efficiency and thus low sustainability The lack of intrinsic evolution mechanism of vanadiumcontaining phases during sodium roasting hinders the improvement of vanadium Phase Evolution Mechanism of Vanadium Slag During Sodium