A Review on the Use of Nanoclay Adsorbents in Environmental Pollution Control
2022
Iravani, Rezvan | An, Chunjiang | Adamian, Younes | Mohammadi, Mojtaba
Clay is a natural substance widely existing in the environment. Nanoclays have small particle size, large surface area, and high porosity. Due to their special characteristics, nanoclays can be used in many different industrial applications. There is also an emerging trend for the use of nanoclays in environmental applications. Nanoclays can be used as adsorbents for the removal of various pollutants from water and gas. The suitability of nanoclays for certain type of application will depend on the requirement for pollution control, as well as the specifications of nanoclays. This article provided a comprehensive review of the specific characteristics of different types of nanoclays. The industrial applications of nanoclays were summarized. The environmental applications of nanoclays for water and gas emission treatment, as well as their toxicity, were discussed. The challenges and recommendations for future study were also proposed.
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