Recovery of vanadium and nickel from heavy oil fly ash (HOFA): a critical review

Bakkar, Ashraf; Seleman, Mohamed M. El-Sayed; Ahmed, Muhammad Adeel; Harb, Saeed; Gören, Sami; Howsawi, Eskander

doi:10.1039/d3ra00289f

RSC Adv.

2023

DOI: 10.1039/d3ra00289f

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Recovery of vanadium and nickel from heavy oil fly ash (HOFA): a critical review

Ashraf Bakkar

Mohamed M. El-Sayed Seleman

Muhammad Adeel Ahmed

et al.

Abstract: Overall flowchart of the recovery of V and Ni from HOFA showing the most common steps following the main three optional leaching approaches.

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Cited by 10 publications

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The Recycling of Vanadium from Steelmaking Slags: A Review

Shyrokykh,

Volkova,

Sridhar

2024

steel research int.

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Vanadium is an extremely valuable industrial metal typically obtained from processing metallurgical slags. This article provides a comprehensive review and critical evaluation of the technologies of vanadium extraction from slags aiming to identify the most prospective technology. The review covers traditional approaches for treating V‐bearing slags, such as salt roasting followed by acid leaching and ammonium precipitation, as well as promising alternative methods in this field, such as bioleaching, ultrasound‐assisted leaching, and vaporization. The current industrial practice remains energy‐intensive and is associated with chemical waste generation, thus leaving room for further improvements. Overall, this work provides valuable insights into the recycling of vanadium from steelmaking slags including extraction efficiencies of industrial and lab‐scale methods, and discusses the advantages and disadvantages of each method setting the stage for future advancements in this field. The vaporization method is one of the most promising among those reviewed.

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The Recycling of Vanadium from Steelmaking Slags: A Review

Shyrokykh,

Volkova,

Sridhar

2024

steel research int.

View full text Add to dashboard Cite

show abstract

Stabilization/solidification of heavy metal-contaminated marl soil using a binary system of cement and fuel fly ash

Ahmad,

Bahraq,

Khalid

et al. 2023

Environ Monit Assess

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Evaluation and characterization of the radiological environmental impact of waste generated from the oil ash

Nasr,

Duraia,

Shafaa

et al. 2024

J Radioanal Nucl Chem

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The oil ash radioactive waste was generated from electrical power plants and it was presented great concern due to environmental impact. In this study oil ash was characterized from technical and radiological aspects. Oil ash average activity concentrations for 226Ra, 232Th, and 40K were (1718 ± 85.9, 278.1 ± 13.9, and 136 ± 6.7) Bq/kg respectively, that were higher than the worldwide average. The average value of AEDtot was (10.5 ± 0.5) mSv/y, which was higher than the dose limit of public. All the radiological parameters were higher than worldwide. The samples examined by XRF, and XRD. That contained economic elements as iron, vanadium, nickel.

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Recovery of vanadium and nickel from heavy oil fly ash (HOFA): a critical review

Abstract: Overall flowchart of the recovery of V and Ni from HOFA showing the most common steps following the main three optional leaching approaches.

Cited by 10 publications

References 96 publications

The Recycling of Vanadium from Steelmaking Slags: A Review

The Recycling of Vanadium from Steelmaking Slags: A Review

Stabilization/solidification of heavy metal-contaminated marl soil using a binary system of cement and fuel fly ash

Evaluation and characterization of the radiological environmental impact of waste generated from the oil ash

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