Influence of leaching parameters on the vanadium extraction from petroleum coke

More than 60 trace elements, including rare metals, can be found in heavy oils. The most valuable component of oils and petroleum products is vanadium. It is used as an alloying agent to create extra strong steel, as a cathode for lithium-ion batteries, and also as a catalyst in the chemical industr...

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Bibliographic Details
Published in:E3S web of conferences 2021, Vol.266, p.8002
Main Authors: Kudinova, A.A., Kondrasheva, N.K., Rudko, V.A.
Format: Article
Language:English
Subjects:
Batteries
Catalysts
Chemical industry
Coke
Heavy metals
Leaching
Liquid phases
Lithium
Lithium-ion batteries
Petroleum
Petroleum coke
Petroleum products
Rechargeable batteries
Solid phases
Sulfuric acid
Sulfuric acid leaching
Trace elements
Vanadium
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Summary:More than 60 trace elements, including rare metals, can be found in heavy oils. The most valuable component of oils and petroleum products is vanadium. It is used as an alloying agent to create extra strong steel, as a cathode for lithium-ion batteries, and also as a catalyst in the chemical industry. Nowadays studies of various methods for extracting vanadium from heavy oils and petroleum products are actively carried out. This work presents the method of alkaline and acid leaching of vanadium from petroleum coke and also results of the examination of influence of factors such as the duration of the process (0.5, 1.5 and 2.5 h) and the ratio of solid and liquid phases (1:2, 1:3 and 1:4). The highest yield of vanadium 80% is observed using sulfuric acid with the process duration is 1.5 hours and the ratio S/L = 1:4
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202126608002