Pesticides with acute and persistent toxicity are extensively applied in agriculture production, posing serious safety concerns to ecosystems. To address this emerging environment problem, porous extended biphen3arene-based polymers (P-ExBP3Ps) were developed as a supramolecular adsorbent for several representative pesticides. Such material exhibited effective and universal sequestration performance against pesticides in the aqueous phase, attributed to a synergistic effect between physical adsorption by the mesopores of the cross-linked polymer and molecular recognition by the macrocyclic component. More interestingly, such a supramolecular adsorbent exhibited application potential for flow-through pesticide decontamination and could be reused 5 times with no obvious loss of removal efficiency.
Gao et al. (Tue,) studied this question.