Modification of natural zeolites and their applications for heavy metal removal from polluted environments: Challenges, recent advances, and perspectives
H1-99
Clinoptilolite
Zeolite
Science (General)
Zeolite treatment
Adsorbent
Social sciences (General)
Q1-390
Heavy metal
0210 nano-technology
Research Article
0105 earth and related environmental sciences
DOI:
10.1016/j.heliyon.2024.e25303
Publication Date:
2024-02-04T06:40:58Z
AUTHORS (2)
ABSTRACT
In recent decades, environmental pollution has become a significant problem for human health and environmental impact. The high accumulation of heavy metals in waters and soils from different sources was conducted by finding efficient and environmentally friendly treatment methods and materials for their removal. Natural zeolites have found wide-ranging applications in environmental remediation and protection, considering various treatment and modification methods designed to enhance the natural zeolites' adsorptive or ion-exchange capabilities for increased efficiency. This paper briefly consolidates the recent scientific literature related to the main characteristics of natural and modified zeolites, the advantages and limitations of their environmental remediation application, and summarizes the methodologies applied to natural zeolites in order to improve their properties. Their application for removing heavy metals from water systems and soils is also comprehensively discussed. This review highlights the excellent potential of natural zeolites to be used after specific treatment or modification as a sustainable and green material to solve numerous environmental pollution issues.
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