Research Status of Recovery Methods of Aluminum and Its Oxide in Aluminum Ash

LIANG Cheng; PENG Jianping; DI Yuezhong; WANG Yaowu; FENG Naixiang

doi:10.13779/j.cnki.issn1001-0076.2019.03.006

2019 Vol. 39, No. 3

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LIANG Cheng, PENG Jianping, DI Yuezhong, WANG Yaowu, FENG Naixiang. Research Status of Recovery Methods of Aluminum and Its Oxide in Aluminum Ash[J]. Conservation and Utilization of Mineral Resources, 2019, 39(3): 37-41. doi: 10.13779/j.cnki.issn1001-0076.2019.03.006

Citation:

LIANG Cheng, PENG Jianping, DI Yuezhong, WANG Yaowu, FENG Naixiang. Research Status of Recovery Methods of Aluminum and Its Oxide in Aluminum Ash[J]. Conservation and Utilization of Mineral Resources, 2019, 39(3): 37-41. doi: 10.13779/j.cnki.issn1001-0076.2019.03.006

Research Status of Recovery Methods of Aluminum and Its Oxide in Aluminum Ash

School of Metallurgy, Northeastern University, Shenyang 110189, Liaoning, China

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Corresponding author: PENG Jianping, pengjp@mail.neu.edu.cn

Received Date: 07 March 2019

Publish Date: 25 June 2019

Abstract

Abstract

Aluminum dross is composed mainly of alumina(Al₂O₃), metal aluminum(Al), Aluminum nitride(AlN), magnesium spinel (MgAlO₄), Periclase (MgO), quartz (SiO₂) and molten salt, which contains a small amount of carbides and nitrides. The formation process and environmental hazards of aluminum dross are outlined. The application of pyrometallurgical method and hydrometallurgical method in the recovery of aluminum and alumina is summarized in order to improve the recovery rate of aluminum and alumina, reduce the pollution of aluminum dross to a greatest extent and realize the recycling of aluminum dross.
- aluminum dross /
- pyrometallurgy /
- hydrometallurgy /
- recovery methods

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References

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