Paper Title:
Study on Indium Leaching from Indium-Poor Zinc Residue Enhanced by Ultrasonic Treatment
  Abstract

In this paper, orthogonal experiment design method was applied to determine the optimum condition for indium leaching from indium-poor zinc residue in HCl solution. Taking the results of range analysis and the situation of industrial production into consideration, the optimum conditions for conventional leaching are: reaction temperature 70°C, concentration of HCl 6 mol/L, leaching time 1.0 h, and ratio of liquid to solid 8:1. Under the optimum conditions, ultrasonic was used to enhance the leaching process. Compared with the conventional leaching process, this new process can provide better indium recovery, shorter leaching time, and faster leaching rate. The indium extraction of indium-poor zinc residue with ultrasonic treatment is up to 96 %, which is 31.0 % higher than that without ultrasonic treatment. In addition, the normal agitation improves the diffusion of solution in the ultrasonically enhanced leaching experiment.

  Info
Periodical
Advanced Materials Research (Volumes 201-203)
Edited by
Daoguo Yang, Tianlong Gu, Huaiying Zhou, Jianmin Zeng and Zhengyi Jiang
Pages
1770-1773
DOI
10.4028/www.scientific.net/AMR.201-203.1770
Citation
J. H. Yao, X. H. Li, "Study on Indium Leaching from Indium-Poor Zinc Residue Enhanced by Ultrasonic Treatment", Advanced Materials Research, Vols. 201-203, pp. 1770-1773, 2011
Online since
February 2011
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$32.00
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