TY  - JOUR
T1  - Improvement of water flux, treatment efficiency, and fouling resistance of polyethersulfone/cellulose acetate blend ultrafiltration membranes using nanomaterials derived from renewable resources
TT  - Yenilenebilir kaynaklardan elde edilen nanomalzemeler kullanılarak polietersülfon/selüloz asetat karışımı ultrafiltrasyon membranlarının su akısının, arıtma veriminin ve kirlenme direncinin iyileştirilmesi
AU  - Acarer Arat, Seren
PY  - 2025
DA  - October
Y2  - 2025
DO  - 10.65206/pajes.70729
JF  - Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi
PB  - Pamukkale Üniversitesi
WT  - DergiPark
SN  - 2147-5881
VL  - 0
IS  - 0
LA  - en
AB  - Polymeric flat sheet membranes are extensively applied in both large- and small-scale water and wastewater treatment processes. A straightforward and effective strategy to enhance the performance of polymer-based flat sheet membranes, particularly their water flux and treatment efficiency, is the integration of nanomaterials into the membrane structure. In this research, cellulose nanocrystals (CNC) and cellulose nanofibrils (CNF) were incorporated into polyethersulfone (PES)/cellulose acetate (CA) blend membranes, which were produced using the non-solvent induced phase separation technique. The prepared membranes underwent comprehensive characterization, and their water flux and turbidity removal performance were subsequently evaluated using the classical filtration technique. Morphological properties, including porosity, mean pore size, and pore size distribution, were analyzed from SEM images processed in MATLAB. Antifouling behavior (Rt, Rir, Rr, FRR, and FDR) and resistance-related (RT, RM, RIR, and RR) parameters were evaluated. Incorporation of CNC and CNF improved the hydrophilicity and porosity of the PES/CA membranes while simultaneously decreasing average pore size and surface roughness. Furthermore, both reinforcements significantly increased the pure water flux of the membranes, with observed enhancements of 33.49% for CNC and 37.56% for CNF, reaching a maximum flux of 365.12 L/m²·h. Turbidity removal performance was also positively influenced by the presence of nanomaterials, with the PES/CA/CNF membrane achieving the highest removal efficiency of 98.24%. Overall, CNF was superior to CNC in enhancing the membrane’s porosity, hydrophilicity, surface smoothness, water flux, turbidity removal, and fouling resistance. The estimated fabrication cost for PES/CA-based membranes ranged from 1773 to 2948 TRY.
KW  - membrane
KW  - cellulose nanocrystal
KW  - cellulose nanofibril
KW  - characterization
KW  - ultrafiltration
KW  - water treatment
N2  - Polimerik düz levha membranlar, hem büyük hem de küçük ölçekli su ve atık su arıtım proseslerinde yaygın olarak kullanılmaktadır. Polimer bazlı düz levha membranların performansını, özellikle su akısı ve arıtım verimliliğini artırmanın basit ve etkili bir yolu, nanomalzemelerin membran yapısına entegre edilmesidir. Bu çalışmada, selüloz nanokristaller (CNC) ve selüloz nanofibriller (CNF), çözücü olmayan tarafından indüklenen faz ayırma yöntemi kullanılarak üretilen polietersülfon (PES)/selüloz asetat (CA) karışım membranlara dahil edilmiştir. Hazırlanan membranlar kapsamlı karakterizasyondan geçirilmiş ve su akısı ile bulanıklık giderme performansları klasik filtrasyon tekniği kullanılarak değerlendirilmiştir. Porozite, ortalama gözenek boyutu ve gözenek boyutu dağılımı gibi morfolojik özellikler, MATLAB ile işlenen SEM görüntülerinden analiz edilmiştir. Antifouling davranışı (Rt, Rir, Rr, FRR ve FDR) ve dirençle ilgili parametreler (RT, RM, RIR ve RR) değerlendirilmiştir. CNC ve CNF’nin eklenmesi, PES/CA membranlarının hidrofiliğini ve porozitesini artırırken, ortalama gözenek boyutu ve yüzey pürüzlülüğünü azaltmıştır. Ayrıca, her iki katkı da membranların saf su akısını önemli ölçüde artırmış, CNC için %33,49 ve CNF için %37,56 artış gözlemlenmiş ve maksimum akış 365,12 L/m²·h’ye ulaşmıştır. Bulanıklık giderme performansı da nanomalzemelerin varlığından olumlu etkilenmiş olup, PES/CA/CNF membranı en yüksek giderim verimi olan %98,24’e ulaşmıştır. Genel olarak, CNF, membranın porozitesini, hidrofiliğini, yüzey pürüzsüzlüğünü, su akısını, bulanıklık giderimini ve kirlenmeye karşı direncini artırmada CNC’ye kıyasla daha üstün performans göstermiştir. PES/CA bazlı membranların tahmini üretim maliyeti 1773 ile 2948 TRY arasında değişim göstermiştir.
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UR  - https://doi.org/10.65206/pajes.70729
L1  - https://dergipark.org.tr/tr/download/article-file/5377202
ER  -