镁基水滑石材料在重金属污染修复领域的应用进展

doi:10.19964/j.issn.1006-4990.2023-0127

摘要/Abstract

摘要：

由于人类活动和自然原因，重金属污染已经成为一个全球性问题。吸附法是一种极具可操作性和规模化推广的修复技术，因此，开发具有高选择性、高吸附量的吸附剂迫在眉睫。类水滑石是一类典型的阴离子插层材料，因其层板组成可调、层间阴离子可交换、结构记忆效应等特点已经在重金属污染治理领域得到了广泛关注。概述了盐湖镁资源高值化转化制备镁基水滑石材料并用于重金属污染治理方面的工作，介绍了镁基水滑石在重金属污染耕地原位修复方面的应用进展，讨论了超稳矿化过程中存在的问题并提出了建议，最后对镁基水滑石的应用前景进行了展望。

关键词: 重金属污染, 镁基水滑石, 层状材料, 超稳矿化

Abstract:

Due to human activities and natural reasons，heavy metal pollution has become a global problem.The adsorption method is a highly operable and large-scale technology，so it is urgent to develop adsorbent with high selectivity and high adsorption capacity.Layered double hydroxides are typical anionic clay layered materials，which have been widely used in the field of heavy metal pollution control due to their adjustable composition of laminates，interlayer anion exchange，structural memory effect and other characteristics.The work of high-value conversion of magnesium resources in salt lakes to prepare magnesium-based hydrotalcite materials and their application in the treatment of heavy metal pollution were summarized，the application progress of magnesium-based hydrotalcite in the in-situ remediation of heavy metal contaminated farmland was introduced，the problems existing in the process of ultra-stable mineralization were discussed and suggestions were put forward，and finally the application prospect of magnesium-based layered double hydroxides was prospected.

Key words: heavy metal pollutant, magnesium-based hydrotalcite, layered materials, superstable mineralization

中图分类号:

O647.33

郑美琪, 马达, 刘婷婷, 林彦军, 孔祥贵, 段雪. 镁基水滑石材料在重金属污染修复领域的应用进展[J]. 无机盐工业, 2023, 55(4): 1-5.

ZHENG Meiqi, MA Da, LIU Tingting, LIN Yanjun, KONG Xianggui, DUAN Xue. Application progress of magnesium-based layered double hydroxides in heavy metal pollution remediation[J]. Inorganic Chemicals Industry, 2023, 55(4): 1-5.

图/表 4

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