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Facile in situ synthesis of ZIF-67/cellulose hybrid membrane for activating peroxymonosulfate to degrade organic contaminants

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Abstract

In recent years, cobalt-based metal–organic frameworks (MOFs) have been used as catalytic materials to degrade organic contaminants in sulfate radical-based advanced oxidation processes (SR-AOPs). However, separating and recovering granular MOFs from the reaction system is difficult. Loading MOFs on the host material is currently the most effective way to promote their recyclability. Most reported aerogel materials are characterized by excessively long preparation and drying cycles. Considering this, herein, we report an in situ grown method to fabricate a ZIF-67/cellulose hybrid membrane, which was used as a catalyst for activating peroxymonosulfate to generate \({\text{SO}}_{4}^{ - }\cdot\) and ·OH, resulting in the contaminants degradation. The catalytic results showed that the hybrid membrane/PMS system could degrade the methylene blue and rhodamine B within 1 min. In addition, the separation and recovery problems were solved. The ZIF-67/cellulose hybrid membrane with outstanding degradation of contaminants expands the application of MOFs/cellulose hybrid materials for wastewater purification via SR-AOPs.

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Acknowledgments

This work was supported by Key scientific research plan (Key Laboratory) of Shaanxi Provincial Education Department [No.17JS016]; International Joint Research Center for biomass chemistry and materials, Shaanxi international science and technology cooperation base [2018GHJD-19], Shaanxi Key industry innovation chain projects [2020ZDLGY11-03], Key Laboratory of Biomass Energy and Material, Jiangsu Province [No.JSBEM-S-201909].

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Correspondence to Sufeng Zhang.

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The authors declare that they do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.

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This study is the original work of the authors and it dosen’t involve any human participants or animals. All of the authors have reviewed the final version of the manuscript and mutually agreed on its submission. The manuscript has not been published elsewhere and is not being simultaneously submitted for publication elsewhere.

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Zhang, S., Zhao, M., Li, H. et al. Facile in situ synthesis of ZIF-67/cellulose hybrid membrane for activating peroxymonosulfate to degrade organic contaminants. Cellulose 28, 3585–3598 (2021). https://doi.org/10.1007/s10570-021-03717-w

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  • DOI: https://doi.org/10.1007/s10570-021-03717-w

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