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- Title
Efficient Adsorption and Elimination of Tm<sup>3 </sup> for Enhanced Seed Germination Using Pillar[5]Arene Polymer.
- Authors
Bahojb Noruzi, Ehsan; Xu, Weiwei; Li, Guang; Qu, Haonan; Ma, Cuiguang; Zhang, Haifan; He, Qiang; Periyasami, Govindasami; Li, Haibing
- Abstract
While rare earth elements (REEs) are essential for modern technology, their production methods raise concerns for agriculture. Researchers are now exploring ways to control and recycle REEs pollution, aiming to minimize agricultural impacts and potentially even develop methods to utilize these elements for improved crop yields. Regarding this issue, a new type of pillar[5]arene polymer (Pol‐P[5]‐BTZP) has been designed and synthesized by click reaction to enhance the efficiency of adsorption and recovery of rare earth metals. This polymer incorporates the unique structure of 2,6‐di‐1,2,3‐triazolyl‐pyridine. The results of various analyses revealed that Pol‐P[5]‐BTZP exhibits excellent thermal stability, a high specific surface area, and well‐distributed networks of micropores and mesoporous structures. The adsorption capacity of Pol‐P[5]‐BTZP for Tm3 , a representative REE, was evaluated using the Langmuir and Freundlich isothermal adsorption models with a maximum adsorption capacity (Qmax) of 127.71 mg/g. Furthermore, the versatility of Pol‐P[5]‐BTZP in adsorption and recovering various REEs was tested. In addition to its adsorption capabilities, the potential of Pol‐P[5]‐BTZP for rare earth recovery and reuse was assessed through experiments on the impact of Tm3 and La3 on seed germination. These experiments demonstrated the wide‐ranging applicability of Pol‐P[5]‐BTZP in recovering and reusing REEs for green agriculture.
- Subjects
RARE earth metals; SUSTAINABLE agriculture; ADSORPTION capacity; GERMINATION; CROP yields
- Publication
Chemistry - A European Journal, 2024, Vol 30, Issue 53, p1
- ISSN
0947-6539
- Publication type
Academic Journal
- DOI
10.1002/chem.202401827