Engineering Hydrophobic Organosilica Nanoparticle-Doped Nanofibers for Enhanced and Fouling Resistant Membrane Distillation
AuthorsHammami, Mohamed Amen
Croissant, Jonas G.
Alsaiari, Shahad K.
Anjum, Dalaver H.
Khashab, Niveen M.
KAUST DepartmentAdvanced Membranes and Porous Materials Research Center
Water Desalination and Reuse Research Center (WDRC)
Imaging and Characterization Core Lab
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AbstractEngineering and scaling-up new materials for better water desalination are imperative to find alternative fresh water sources to meet future demands. Herein, the fabrication of hydrophobic poly(ether imide) composite nanofiber membranes doped with novel ethylene-pentafluorophenylene-based periodic mesoporous organosilica nanoparticles is reported for enhanced and fouling resistant membrane distillation. Novel organosilica nanoparticles were homogeneously incorporated into electrospun nanofiber membranes depicting a proportional increase of hydrophobicity to the particle contents. Direct contact membrane distillation experiments on the organosilica-doped membrane with only 5% doping showed an increase of flux of 140% compared to commercial membranes. The high porosity of organosilica nanoparticles was further utilized to load the eugenol antimicrobial agent which produced a dramatic enhancement of the antibiofouling properties of the membrane of 70% after 24 h.
CitationHammami MA, Croissant JG, Francis L, Alsaiari SK, Anjum DH, et al. (2017) Engineering Hydrophobic Organosilica Nanoparticle-Doped Nanofibers for Enhanced and Fouling Resistant Membrane Distillation. ACS Applied Materials & Interfaces 9: 1737–1745. Available: http://dx.doi.org/10.1021/acsami.6b11167.
SponsorsWe gratefully acknowledge support from KAUST.
PublisherAmerican Chemical Society (ACS)