Enhanced Dye Separation With Mixed Matrix Membranes Incorporating ZIF-8@COF Binary Nanofillers
Wei Li
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Data curation (lead), Methodology (supporting), Writing - original draft (lead)
Search for more papers by this authorLinghao Wang
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Data curation (supporting), Investigation (lead)
Search for more papers by this authorMenghao Lin
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Formal analysis (supporting), Validation (lead), Writing - original draft (supporting)
Search for more papers by this authorCorresponding Author
Li Chen
School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, People's Republic of China
Correspondence:
Li Chen ([email protected])
Cailong Zhou ([email protected])
Contribution: Formal analysis (lead), Writing - review & editing (supporting)
Search for more papers by this authorXinjuan Zeng
School of Materials and Energy, Foshan University, Foshan, People's Republic of China
Contribution: Funding acquisition (supporting)
Search for more papers by this authorLichun Dong
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Project administration (lead)
Search for more papers by this authorCorresponding Author
Cailong Zhou
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Correspondence:
Li Chen ([email protected])
Cailong Zhou ([email protected])
Contribution: Funding acquisition (lead), Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorWei Li
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Data curation (lead), Methodology (supporting), Writing - original draft (lead)
Search for more papers by this authorLinghao Wang
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Data curation (supporting), Investigation (lead)
Search for more papers by this authorMenghao Lin
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Formal analysis (supporting), Validation (lead), Writing - original draft (supporting)
Search for more papers by this authorCorresponding Author
Li Chen
School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, People's Republic of China
Correspondence:
Li Chen ([email protected])
Cailong Zhou ([email protected])
Contribution: Formal analysis (lead), Writing - review & editing (supporting)
Search for more papers by this authorXinjuan Zeng
School of Materials and Energy, Foshan University, Foshan, People's Republic of China
Contribution: Funding acquisition (supporting)
Search for more papers by this authorLichun Dong
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Contribution: Project administration (lead)
Search for more papers by this authorCorresponding Author
Cailong Zhou
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, People's Republic of China
Correspondence:
Li Chen ([email protected])
Cailong Zhou ([email protected])
Contribution: Funding acquisition (lead), Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorFunding: This work was supported by the Natural Science Foundation Project of Chongqing (CSTB2024NSCO-MSX1097), and the Guangdong Basic and Applied Basic Research Foundation (2023A1515140083).
Wei Li and Linghao Wang contributed equally to this study.
ABSTRACT
Mixed matrix membranes (MMMs) have emerged as a promising solution for the treatment of dye wastewater. A key challenge in advancing MMMs is how to effectively integrate two nanofillers with distinct advantages to mitigate the limitations of single-nanofiller systems. In this study, we present a binary nanofiller strategy, utilizing metal–organic frameworks (MOFs) and covalent organic frameworks (COFs), to fabricate polyvinylidene fluoride (PVDF) based MMMs. By systematically adjusting the mass ratio of ZIF-8 MOF and TFB-BD(Me)2 COF, the separation efficiency of membranes for dyes with different charges, capitalizing on the molecular sieving properties of MOFs and the superior compatibility of COFs was evaluated. The optimized membrane demonstrated a rejection of 91.66% for Congo red (CR), along with a water permeance of 641.9 L m−2 h−1 bar−1. This work represents a novel attempt in the design of binary-nanofiller MMMs, offering new insights into the synergistic effects of hybrid nanofillers in membrane technology.
Conflicts of Interest
The authors declare no conflicts of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.
Supporting Information
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Data S1. |
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