2023
DOI: 10.1021/acsami.3c09964
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“Biomass to Membrane”: Sulfonated Kraft Lignin/PCL Superhydrophilic Electrospun Membrane for Gravity-Driven Oil-in-Water Emulsion Separation

Md Mizanul Haque Mizan,
Pramod M. Gurave,
Masoud Rastgar
et al.

Abstract: Biobased membranes made with green solvents have numerous advantages in the water purification industry; however, their long-term use is impeded by severe membrane fouling and low structural stability. Herein, we proposed a facile and green approach to fabricate an eco-friendly and biodegradable electrospun membrane by simply blending polycaprolactone (PCL) with sulfonated kraft lignin (SKL) in a green solvent (i.e., acetic acid) without needing any additional post-treatment. We investigated the influence of S… Show more

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Cited by 10 publications
(2 citation statements)
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“…With increasing SKL concentration, the PA-E membranes became more negative. The higher negative charge can be attributed to the deprotonation of unreacted carboxyl functional groups of SKL and TMC monomers, as well as the presence of sulfonate groups (SO 3 – ) in the structure of SKL . This increased negative surface charge contributes to the better rejection of negatively charged contaminants .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…With increasing SKL concentration, the PA-E membranes became more negative. The higher negative charge can be attributed to the deprotonation of unreacted carboxyl functional groups of SKL and TMC monomers, as well as the presence of sulfonate groups (SO 3 – ) in the structure of SKL . This increased negative surface charge contributes to the better rejection of negatively charged contaminants .…”
Section: Resultsmentioning
confidence: 99%
“…The higher negative charge can be attributed to the deprotonation of unreacted carboxyl functional groups of SKL and TMC monomers, 44 as well as the presence of sulfonate groups (SO 3 − ) in the structure of SKL. 49 This increased negative surface charge contributes to the better rejection of negatively charged contaminants. 50 Surface geometry and surface chemistry can also play a significant role in membrane performance and properties, influencing the charge distribution, wettability, and interaction with foulants.…”
Section: Surface Charges and Wettabilitymentioning
confidence: 99%