Environmental Chemistry

ISSN 0254-6108

CN 11-1844/X

Vol. 38 No. 5
May  2019
Article Contents

Citation:

Research progress in desulfurization and denitrification of non-ferrous metal smelting slag

  • Received Date: 2018-07-12
    Fund Project:

    Supported by the National Natural Science Foundation of China (51708266).

  • Non-ferrous metal smelting slag has the characteristics of complex composition and environmental hazard. It is the staple industrial solid wastes, and its comprehensive utilization is a difficult task in solid waste treatment and disposal. In this paper, the characteristics of typical copper smelting slag, red mud, magnesium smelting slag, lead zinc smelting slag and lithium slag in non-ferrous metal smelting slag are reviewed, and the feasibility of desulfurization and denitrification of non-ferrous metal smelting slag is analyzed. The process flow method of magnesium smelting slag wet desulfurization and red mud desulfurization and denitrification is summaried, and the application of other smelting slag dry and wet desulfurization and denitration is also listed. Finally, the prospect of comprehensive utilization of non-ferrous metal smelting slag is prospected.
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Research progress in desulfurization and denitrification of non-ferrous metal smelting slag

  • 1. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China;
  • 2. Faculty of Chemical Engineering Kunming University of Science and Technology, Kunming, 650093, China
Fund Project:  Supported by the National Natural Science Foundation of China (51708266).

Abstract: Non-ferrous metal smelting slag has the characteristics of complex composition and environmental hazard. It is the staple industrial solid wastes, and its comprehensive utilization is a difficult task in solid waste treatment and disposal. In this paper, the characteristics of typical copper smelting slag, red mud, magnesium smelting slag, lead zinc smelting slag and lithium slag in non-ferrous metal smelting slag are reviewed, and the feasibility of desulfurization and denitrification of non-ferrous metal smelting slag is analyzed. The process flow method of magnesium smelting slag wet desulfurization and red mud desulfurization and denitrification is summaried, and the application of other smelting slag dry and wet desulfurization and denitration is also listed. Finally, the prospect of comprehensive utilization of non-ferrous metal smelting slag is prospected.

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