A review of processing technologies for vanadium extraction …

In general, the process of extracting vanadium from stone coal can be divided into three parts: mineral pro-cessing, leaching process and separation process, in which the leaching process …

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CN113481388A

The invention belongs to the technical field of nonferrous metallurgy, and particularly relates to a method for extracting vanadium from stone coal vanadium ore decarbonization slag by …

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CN108251661B

The invention discloses a vanadium extraction process of stone coal vanadium ore, which adopts the processes of decarburization oxidation roasting, alkaline leaching, ion exchange and …

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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 …

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The technology of extracting vanadium from stone coal in China: …

In order to reduce the discharge of exhaust gasses and lower the energy consumption to the utmost extent in vanadium extraction, some researchers have been …

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Effect of vanadium occurrence state on the choice of extracting

The extraction technology of vanadium from stone coal by means of no-salt-roasting and dilute acid solution leaching treatment has the advantages of low pollution, low …

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Mechanisms of aid-leaching reagent calcium fluoride in the extracting

Abstract The mechanisms of aid-leaching reagent calcium fluoride in the extracting vanadium processes were researched by comparing the blank extraction with the extraction …

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CN106191439A

The present invention relates to hydrometallurgy vanadium extraction technical field, a kind of method being specifically related to extracting vanadium from stone coal pickle liquor …

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A review of processing technologies for vanadium extraction …

the extraction of vanadium from stone coal started from the 1960s. After that, a wide variety of leaching processes were proposed, but the processes can be

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Vanadium extraction from vanadinite and high carbon v-bearing stone

Vanadinite and high-carbon vanadium-bearing (V-bearing) stone coals are important vanadium sources widely used in vanadium extraction. The traditional sulfuric acid …

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CN103341413B

The invention relates to a composite beneficiation reagent for extracting vanadium from stone coal. The composite beneficiation reagent for extracting the vanadium from the stone coal is …

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CN102191388A

The invention relates to a process for extracting vanadium from stone coal through two-section curing with concentrated acid. The process flow mainly comprises the following steps of: a, …

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A review on vanadium extraction techniques from major …

Therefore, it is significant to optimize the vanadium extraction techniques given the large amount of stone coal resource. The blast furnace-converter smelting method is mainly used in China …

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Extraction of vanadium from stone coal by roasting in a fluidized …

Besides, the ore containing vanadium in stone coal is always complicatedly combined with carbon, which further increases the difficulty for extracting vanadium form stone …

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Effect of vanadium occurrence state on the choice of extracting

If the vanadium compounds in stone coal exist in the amorphous Wang M.Y. et al., Effect of vanadium occurrence state on the choice of extracting vanadium technology from …

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Effect of vanadium occurrence state on the choice of extracting

Hence, much attention has been paid to research on extracting vanadium from stone coal. The traditional high salt roasting-water leaching (HSRWL) technique is the earliest …

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Extracting Vanadium from Stone Coal by a Cyclic Alkaline

large reserves, extracting vanadium from stone coal has obtained great consideration in recent decades. Generally, there are two methods to extract vanadium from stone coal: acid leaching …

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Method for extracting vanadium from stone coal by wet process

In view of the problems in the prior art, the invention aims to provide a novel method for extracting vanadium from stone coal by two-stage acid leaching, which comprises the steps of firstly...

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CN101260459A

The invention specifically relates to a roasting process for extracting vanadium from stone coal. The technical solution adopted is: first crush the vanadium-containing stone coal raw ore with …

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CN111455163A

The invention belongs to the technical field of vanadium extraction and smelting of stone coal vanadium ore. In particular to a production process for extracting vanadium from stone coal, …

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Extracting vanadium from shale

Extracting vanadium pentoxide from stone coal is similar to extracting it from vanadium slag. In both processes, vanadium components must be converted into soluble …

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Comparison of direct acid leaching process and blank roasting …

The effects of roasting factors of two-stage roasting method on vanadium leaching rate and the mechanism of extracting vanadium from stone coal were studied. Phase …

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A review of processing technologies for vanadium …

Due to the poor vanadium recovery of mineral processing, the extraction of vanadium from stone coal is directly carried out by metallurgical processes. Salt process, acid process and alkali...

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A review of processing technologies for vanadium …

Due to the poor vanadium recovery of mineral processing, the extraction of vanadium from stone coal is directly carried out by metallurgical processes. Salt process, acid process and alkali process three types of stone …

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Extracting vanadium from stone-coal by oxygen pressure acid …

Hence, much attention has been paid to research on extracting vanadium from stone coal. The traditional high salt roasting-water leaching (HSRWL) technique is the earliest …

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Vanadium extraction from vanadinite and high carbon v-bearing …

Specifically, high-carbon V-bearing stone coal is selectively added to vanadinite to produce coarse lead blocks and V-bearing slag during reduction smelting. Then, the oxalic …

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Method for extracting vanadium from stone coal

The invention discloses a method for extracting vanadium from stone coal, which comprises the following steps: (1) leaching: leaching the stone coal powder by using an acid solution …

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Extraction and separation of vanadium from high-acidity stone …

Therefore, methods for direct and efficient vanadium extraction, which eliminate the need for reducing agents, modifiers, and excessive alkali addition, offer the advantages of …

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Recovery of vanadium from alkaline leaching solution from …

ABSTRACT: A two-stage purification-extraction-stripping-NH4NO3 technology to precipitate V2O5 was developed based on the characteristics of the alkaline leaching solution produced from …

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Sustainable Recovery of Vanadium from Stone Coal via Nitric …

The technology of extracting vanadium from stone coal in China: History, current status and future prospects. Hydrometallurgy 2011, 109, 116–124. [Google Scholar] Cai, Z.; …

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Extracting vanadium from stone-coal by oxygen pressure acid …

Vanadium extraction from stone-coal was investigated by oxygen pressure acid leaching and solvent extraction. The mineralogy of the stone-coal from Tongren City of …

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A novel approach for pre-concentrating vanadium from stone coal …

Therefore, aimed at extracting vanadium from stone coal efficiently and greenly, an innovative process to pre-concentrate vanadium is designed and verified as the first step. In …

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(PDF) Study on Extracting Vanadium from Stone Coal by Acid …

Study on Extracting Vanadium from Stone Coal by Acid Leaching with Aid of Sodium Nitrate

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The technology of extracting vanadium from stone coal in

Hence, much attention has been paid to research on extracting vanadium from stone coal. The traditional high salt roasting-water leaching (HSRWL) technique is the earliest …

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