Lead solubility in FeOx-CaO-SiO2-NaO0.5 and FeOx-CaO-SiO2-CrO1.5 slags at iron saturation

Katsunori Yamaguchi, Dai Matsura, Toshiko Kon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The sodium and chromium contents in lead smelting slags are increasing with the increase in waste recycling. The lead solubility in the slag is important from both an economical and environmental perspective. As a fundamental study, experiments have been carried out to determine the equilibria between FeOx-CaO-SiO2-5mass%NaO0.5 or FeOx-CaO-SiO2- 5mass%CrO1.5 slags and lead metal in iron crucibles at 1573K. It has been found that addition of soda decreases the lead solubility in SiO 2 rich side of the slag, while soda increases the solubility in CaO rich side. Chromium in the slag decreases the lead solubility in the FeOx-CaO-SiO2 slag. The activity coefficients of PbO in the FeOx-CaO-SiO2-5mass%NaO0.5 or FeOx-CaO-SiO2- 5mass%CrO1.5 slags were compared with those of the CaO-SiO 2-FeOx ternary system.

Original languageEnglish
Title of host publicationThe Minerals, Metals and Materials Society - 3rd International Conference on Processing Materials for Properties 2008, PMP III
Pages579-586
Number of pages8
Volume1
Publication statusPublished - 2009
Externally publishedYes
Event3rd International Conference on Processing Materials for Properties 2008, PMP III - Bangkok
Duration: 2008 Dec 72008 Dec 10

Other

Other3rd International Conference on Processing Materials for Properties 2008, PMP III
CityBangkok
Period08/12/708/12/10

Fingerprint

Slags
Iron
Solubility
Lead
Chromium
Lead smelting
Activity coefficients
Crucibles
Ternary systems
Recycling
Metals
Sodium
Experiments

Keywords

  • Lead smelting
  • Lead solubility
  • Reduction process

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Yamaguchi, K., Matsura, D., & Kon, T. (2009). Lead solubility in FeOx-CaO-SiO2-NaO0.5 and FeOx-CaO-SiO2-CrO1.5 slags at iron saturation. In The Minerals, Metals and Materials Society - 3rd International Conference on Processing Materials for Properties 2008, PMP III (Vol. 1, pp. 579-586)

Lead solubility in FeOx-CaO-SiO2-NaO0.5 and FeOx-CaO-SiO2-CrO1.5 slags at iron saturation. / Yamaguchi, Katsunori; Matsura, Dai; Kon, Toshiko.

The Minerals, Metals and Materials Society - 3rd International Conference on Processing Materials for Properties 2008, PMP III. Vol. 1 2009. p. 579-586.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yamaguchi, K, Matsura, D & Kon, T 2009, Lead solubility in FeOx-CaO-SiO2-NaO0.5 and FeOx-CaO-SiO2-CrO1.5 slags at iron saturation. in The Minerals, Metals and Materials Society - 3rd International Conference on Processing Materials for Properties 2008, PMP III. vol. 1, pp. 579-586, 3rd International Conference on Processing Materials for Properties 2008, PMP III, Bangkok, 08/12/7.
Yamaguchi K, Matsura D, Kon T. Lead solubility in FeOx-CaO-SiO2-NaO0.5 and FeOx-CaO-SiO2-CrO1.5 slags at iron saturation. In The Minerals, Metals and Materials Society - 3rd International Conference on Processing Materials for Properties 2008, PMP III. Vol. 1. 2009. p. 579-586
Yamaguchi, Katsunori ; Matsura, Dai ; Kon, Toshiko. / Lead solubility in FeOx-CaO-SiO2-NaO0.5 and FeOx-CaO-SiO2-CrO1.5 slags at iron saturation. The Minerals, Metals and Materials Society - 3rd International Conference on Processing Materials for Properties 2008, PMP III. Vol. 1 2009. pp. 579-586
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N2 - The sodium and chromium contents in lead smelting slags are increasing with the increase in waste recycling. The lead solubility in the slag is important from both an economical and environmental perspective. As a fundamental study, experiments have been carried out to determine the equilibria between FeOx-CaO-SiO2-5mass%NaO0.5 or FeOx-CaO-SiO2- 5mass%CrO1.5 slags and lead metal in iron crucibles at 1573K. It has been found that addition of soda decreases the lead solubility in SiO 2 rich side of the slag, while soda increases the solubility in CaO rich side. Chromium in the slag decreases the lead solubility in the FeOx-CaO-SiO2 slag. The activity coefficients of PbO in the FeOx-CaO-SiO2-5mass%NaO0.5 or FeOx-CaO-SiO2- 5mass%CrO1.5 slags were compared with those of the CaO-SiO 2-FeOx ternary system.

AB - The sodium and chromium contents in lead smelting slags are increasing with the increase in waste recycling. The lead solubility in the slag is important from both an economical and environmental perspective. As a fundamental study, experiments have been carried out to determine the equilibria between FeOx-CaO-SiO2-5mass%NaO0.5 or FeOx-CaO-SiO2- 5mass%CrO1.5 slags and lead metal in iron crucibles at 1573K. It has been found that addition of soda decreases the lead solubility in SiO 2 rich side of the slag, while soda increases the solubility in CaO rich side. Chromium in the slag decreases the lead solubility in the FeOx-CaO-SiO2 slag. The activity coefficients of PbO in the FeOx-CaO-SiO2-5mass%NaO0.5 or FeOx-CaO-SiO2- 5mass%CrO1.5 slags were compared with those of the CaO-SiO 2-FeOx ternary system.

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