Study on the mechanism of ultrasonic inhibition of germanium adsorption by Fe(OH)3 in the neutralization leaching section of zinc oxide dust

In this paper, the germanium loss caused by Fe(OH) 3 colloid adsorption in the process of zinc oxide dust neutralization leaching was studied by using simulated solution. By comparing the conventional method and ultrasonic method, it was found that ultrasonic method could reduce the germanium loss b...

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Bibliographic Details
Published in:Colloid and polymer science 2023-10, Vol.301 (10), p.1185-1196
Main Authors: Song, Leiting, Liang, Ming, Zeng, Yiner, Dai, Jie, Liu, Junchang, Yang, Kun, Zhang, Libo
Format: Article
Language:English
Subjects:
Adsorption
Cavitation
Centrifuges
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Colloiding
Complex Fluids and Microfluidics
Dust
Efflux
Ferric hydroxide
Food Science
Germanium
Industrial development
Industrial production
Leaching
Metallurgy
Nanotechnology and Microengineering
Optics
Original Contribution
Physical Chemistry
Polymer Sciences
Polymers
Science
Soft and Granular Matter
Sulfuric acid
Ultrasonic imaging
Ultrasonic methods
Zinc oxide
Zinc oxides
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Summary:In this paper, the germanium loss caused by Fe(OH) 3 colloid adsorption in the process of zinc oxide dust neutralization leaching was studied by using simulated solution. By comparing the conventional method and ultrasonic method, it was found that ultrasonic method could reduce the germanium loss by 69.24%. Characterization analysis showed that ultrasound could reduce the redox potential of the reaction system and inhibit the formation of Fe(OH) 3 colloid. Promote Fe(OH) 3 colloid in leaching quickly agglomerate, centrifugal separation will not remain in the centrifuge, reduce the Fe(OH) 3 colloid in the centrifuge continuous adsorption of germanium. The ultrasonic efflux and mechanical action can destroy the colloidal surface, stripping the germanium adsorbed by Fe(OH) 3 colloid and reducing the loss of germanium. The ultrasonic inhibition technology adopted in this study is green and environmentally friendly, which is of great significance to the efficient extraction of germanium and the development of germanium industry. Graphical abstract
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-023-05136-8