Study on the Adsorption Mechanism of Atrazine by Sesame Hull Biochar/Sepiolite Composite Material
Hongyou Wan, Qiuye Yu, Luqi Yang, Shihao Liu, Yan Zhao, Dezheng Chang, Xinru Li · 2025
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Description
Hongyou Wan and six co-authors build a new material for pulling the weed killer atrazine out of water. Their 2025 paper notes that atrazine lingers in soil and water and resists natural breakdown, while standard adsorbents hold too little or break down too soon. The team turned to sesame hulls, a farm waste, and sepiolite, a natural fibrous mineral with a large surface area.
Mixed, heated, and treated with alkali, the two became a composite the team calls KNPB. Under the best test conditions it removed about eighty-nine percent of the atrazine in the water, and it kept working across repeated uses. Tests on how the uptake proceeds, plus surface analysis, point to three ways the pollutant is held: filling of pores, stacking between flat molecules, and hydrogen bonding. The authors offer the material as a low-cost use for farm waste that also cleans water.
Catalog record
| CREATOR | Hongyou Wan, Qiuye Yu, Luqi Yang, Shihao Liu, Yan Zhao, Dezheng Chang, Xinru Li |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 30 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |