Output of vanadium products by extraction from stone …

Output of vanadium products by extraction from stone coal in January 2019. Date: Feb 12, 2019. : According to FerroAlloyNet, only thirteen companies who can extract vanadium from stone coal are under normal production and four companies are suspending because of the environmental inspection in January.

Study on Extraction of Vanadium from High Acid Leach ...

A new extractant [email protected] was used to directly extract vanadium from high acid leach solution of stone coal. The effects of acidity and Eh of feed, time, phase ratio and temperature on the extraction of vanadium were investigated.

NEW PROCESS OF EXTRACTING VANADIUM FROM

vanadium-titanium magnetite, oil ash, waste vanadium catalyst, bauxite and stone coal. In addition, 75% to 85% vanadium production was extracted from vanadium-titanium magnetite 1,2 .

EFFICIENT EXTRACTING VANADIUM FROM STONE COAL BY CO ...

162 metalurgija 57 (2018) 3, 162-164 g. q. liu, k. liu, c. y. tang, l.cheng efficient extracting vanadium from stone coal by co-roasting with sodium chloride and biomass

A Study of Extracting Vanadium from Stone Coal Using ...

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from Stone Coal by Roasting with MgO - MDPI

Minerals 2017, 7, 33 2 of 14 Many roasting methods in the vanadium extraction process of low grade vanadium-bearing stone coal have been proposed in the past.

The technology of extracting vanadium from stone coal in ...

Vanadium, as one of the important rare elements, is used mainly to produce certain alloys. Stone coal is an important vanadium-bearing resource in China and the gross reserves of vanadium in stone ...

describe extraction of vanadium from its ore

The technology of extracting vanadium from stone coal in ... describe extraction of vanadium from its ore. In summary, although some techniques for vanadium extraction from stone coal have been proposed and developed, the current process of extracting vanadium from stone coal, the low-grade vanadium-bearing ore, is complicated and expensive ...

Effect of K SO on solvent extraction of vanadium with 2 4 TBP

load of vanadium extraction from stone coal acid leaching solution. KEYWORDS: stone coal, pressure acid leaching, vanadium extraction INTRODUCTION With the increasing market demand for vanadium products and the shortage of high-grade ores, it becomes increasingly necessary and urgent to ex-ploit and utilize stone-coal resources for vanadium pentoxide production1. The stone coal is an im ...

Extracting vanadium from stone coal by mechanical ...

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Study on Extracting Vanadium from Coal Vanadium Ore

Investigation and Industrial Practice on Extraction of V2O5 from Stone Coal Containing Vanadium by Acid Process[J], Hydrometallurgy of China, 2002, 21(4): 176-180. [6] ZHANG Yun, FAN Biwei. The Process of Recovering Vanadium from Acid-leaching Solution of …

stone ore extraction process vanadium ore

Phase transformations of vanadium recovery from refractory stone . Jul 26, 2017 During the NaOH molten roasting process, the monoclinic crystalline The study on the leaching additives utilized for vanadium slag or spent 17) was relatively effective for vanadium extraction from stone coal, it was

Mechanism of Enhancing Extraction of Vanadium from …

In this paper, the extraction of vanadium from stone coal by roasting with MgO and leaching with sulfuric acid has been investigated, and the mechanism analysis of stone coal roasting with MgO was studied. The results indicated that under the conditions that the mass fraction of the particles with

The technology of extracting vanadium from stone coal …

o C ity chn Vanadium Extraction Leaching rtan Ch diu h sa one t much caustic gasses and ultra-high salinity wastewater are generated and the total leaching (CRCL) technique

Recovery of vanadium from alkaline leaching solution from ...

Recovery of vanadium from alkaline leaching solution from roasted stone coal Sisi Long a, Qiming Feng, Guofan Zhang;, Dongsheng Heb a School of Resources Processing and Bioengineering, Central South University, Changsha 410083 China b School of Environment and Civil Engineering, Wuhan Institute of Technology, Wuhan 430073 China Corresponding author, e …

Efficient extracting vanadium from stone coal by co ...

Izvorni znanstveni članak Efficient extracting vanadium from stone coal by co-roasting with sodium chloride and biomass. G. Q. Liu; School of civil engineering, University of science and technology, Liaoning, AnShan, China

CN101597698A - Method for extracting vanadium by stone ...

The invention discloses a method for extracting vanadium by stone coal through acid leaching, which mainly comprises process steps of: crystallizing vanadium ammonium aluminum sulfate by stone coal acid leaching solution; performing neutralization or oxidation neutralization on a liquid after the crystallization to precipitate the vanadium ...

Extraction of vanadium from stone coal by ... - DeepDyve

Abstract. In order to reduce the pollution of Cl2 and HCl released during extracting vanadium from stone coal by sodium chloride roasting, a modified salt-roasting process was proposed by adding calcined lime in roasting process followed by H2SO4 leaching.

A new process of extracting vanadium from stone coal ...

A new process of extracting vanadium from the stone coal vanadium ore in Fangshankou, Dunhuang area of Gansu Province, China was introduced. Various leaching experiments were carried out, and the...

Kinetics of Extracting Vanadium from Stonecoal by …

Abstract. Vanadium was leached from roasted stone coal by NaOH solution, and the effect of leaching temperature, leaching time, addition of NaOH liquid to solid ratio, the grinding fineness of stone coal, and stirring speed on the vanadium leaching rate was studied.

CN103421963A - Method for extracting vanadium from …

The invention particularly relates to a method for extracting vanadium from stone coal containing vanadium According to the technical scheme, the method comprises the steps of firstly, smashing the stone coal containing the vanadium until the grain size is smaller than 3mm, heating the stone coal up to 700-900 DEG C, conducting temperature ...

The technology of extracting vanadium from stone coal in ...

Vanadium, as one of the important rare elements, is used mainly to produce certain alloys. Stone coal is an important vanadium-bearing resource in China and the gross reserves of vanadium in stone coal accounts for more than 87% of the domestic reserves of vanadium.

Kinetics of Extracting Vanadium from Stonecoal by Alkali ...

Abstract. Vanadium was leached from roasted stone coal by NaOH solution, and the effect of leaching temperature, leaching time, addition of NaOH liquid to solid ratio, the grinding fineness of stone coal, and stirring speed on the vanadium leaching rate was studied.