Research statue on adsorption properties and mechanism of heavy metal ions using red mud

被引：0

作者：

Liu Q. ^{[1
]}

Zhou X. ^{[1
]}

Huang J. ^{[2
]}

Luo Z. ^{[1
]}

Shao Z. ^{[1
]}

Wang L. ^{[1
]}

Wei Y. ^{[1
]}

Luo Y. ^{[1
]}

机构：

[1] Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming

[2] School of Mechanical and Electrical Engineering, Xichang University, Xichang

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2021年 / 40卷 / 06期

关键词：

Adsorption; Adsorption mechanism; Heavy metal ions; Modification; Red mud; Wastewater;

D O I：

10.16085/j.issn.1000-6613.2020-1352

中图分类号：

学科分类号：

摘要：

Red mud (RM) is an industrial waste residue produced in the extraction process of alumina from bauxite. Red mud could be modified as a low-cost adsorbent to efficiently adsorb heavy metal ions in wastewater. In this paper, the properties and compositions of red mud were discussed. Then, the advantages of red mud in absorbing heavy metal ions were analyzed. The effects of acid modification, roasting modification, and composite modification on the adsorption performance of red mud were summarized. Given that, the mechanisms of red mud for heavy metal ions adsorption were described. The thermodynamic and kinetic models of adsorption for heavy metals were listed. Red mud, as one of industrial wastes, has advantages for the adsorption of heavy metals from wastewater, such as low cost and ready availability, which can realize the "treatment of wastes with wastes". In our opinion, the technology of heavy metal adsorption with red mud has a promising prospect. © 2021, Chemical Industry Press Co., Ltd. All right reserved.

引用

页码：3455 / 3465

页数：10

共 59 条

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