Please use this identifier to cite or link to this item: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9278
Title: Chemically Robust Cationic Porous Organic Polymer (POP) for Selective Detection and Removal of ReO4- as a Surrogate of Radioactive 99TcO4-
Authors: BISWAS, KISHALAY
DAM, GOURAB K.
MAHANTA, SUPRITI
ROY, ANIRBAN
Parmar, Saurabh Vinod
Avasare, Vidya
GHOSH, SUJIT K
Dept. of Chemistry
Keywords: Chemically robust
Cationic porous organic polymer
Sequestration
Sensing
Isothermal titration calorimetry
2025-JAN-WEEK1|TOC-JAN-2025
2024
Issue Date: Dec-2024
Publisher: Wiley
Citation: Chemistry—A European Journal
Abstract: The efficient removal of 99TcO4− from alkaline nuclear waste is vital for optimizing nuclear waste management and safeguarding the environment. However, current state-of-the-art sorbent materials are constrained by their inability to simultaneously achieve high alkali resistance, rapid adsorption kinetics, large adsorption capacity, and selectivity. In this study, we synthesized a urea-rich cationic porous organic polymer, IPM-403, which demonstrates exceptional chemical stability, ultrafast kinetics (~92 % removal within 30 seconds), high adsorption capacity (664 mg/g), excellent selectivity, along with multiple-cycle recyclability (up to 7 cycles), making it highly promising for the removal of ReO4− (surrogate of 99TcO4−) from nuclear wastewater. Notably, after exposure to 1 M NaOH solution for 24 hours, IPM-403 maintained a high adsorption capacity of 421.3 mg/g for ReO4−. Furthermore, IPM-403 acts as an efficient sensor for ReO4−, exhibiting a turn-on response and a detection limit as low as 78.8 ppb.
URI: https://doi.org/10.1002/chem.202403931
http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9278
ISSN: 1521-3765
0947-6539
Appears in Collections:JOURNAL ARTICLES

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