Abstract
In the context of recycling and reusing textile wastewater, the quest for a membrane possessing superior efficiency has garnered considerable attention. This research endeavors to advance this objective by introducing a novel asymmetric ultrafiltration membrane constructed from PVDF (Polyvinylidene Fluoride) modified with MXene through bulk modification, thereby augmenting its resistance to fouling for textile wastewater treatment applications. The investigation employed a comprehensive array of characterization techniques. The proposed interaction mechanism between the contents of PVDF/MXene and the interaction mechanism of composite membrane with water molecules were also presented. Comparative analysis with pure membranes revealed that the incorporation of MXene resulted in enhanced hydrophilicity and porosity, concurrently reducing its surface roughness when compared to a pristine membrane. The lowest water contact angle about 38.5 (⁰) was observed in the mixed matrix membrane containing 0.5 wt% MXene. The developed membranes exhibited a maximum pure water flux of 538 LMH and a flux of 467.8 LMH for EBT dye solution. Furthermore, optimization of the nanocomposite membrane composition led to nearly complete rejection of Eriochrome black T (EBT). A continuous improvement in the flux recovery ratio (FRR%) culminating in a peak value of 85.6% for the MMMs prepared from 0.5 wt% MXene.
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