Solvent-Free Process for the Development of Photocatalytic Membranes

被引：11
作者：
Huertas, Rosa M. [1 ,2 ]
Fraga, Maria C. [1 ,2 ]
Crespo, Joao G. [2 ]
Pereira, Vanessa J. [1 ,3 ]
机构：
[1] Inst Biol Expt & Tecnol, Apartado 12, P-2780901 Oeiras, Portugal
[2] Univ Nova Lisboa UNL, Fac Ciencias & Tecnol, Dept Quim, P-2829516 Caparica, Portugal
[3] Univ Nova Lisboa, Inst Tecnol Quim & Biol Antonio Xavier, P-2784 Oeiras, Portugal
来源：
MOLECULES | 2019年 / 24卷 / 24期
关键词：
photocatalytic membranes; solvent-free sol-gel modification; temperature effect; membrane morphology; photocatalytic performance; WASTE-WATER; TIO2; FILMS; NANOPARTICLES; SILICA;
D O I：
10.3390/molecules24244481
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
This work described a new sustainable method for the fabrication of ceramic membranes with high photocatalytic activity, through a simple sol-gel route. The photocatalytic surfaces, prepared at low temperature and under solvent-free conditions, exhibited a narrow pore size distribution and homogeneity without cracks. These surfaces have shown a highly efficient and reproducible behavior for the degradation of methylene blue. Given their characterization results, the microfiltration photocatalytic membranes produced in this study using solvent-free conditions are expected to effectively retain microorganisms, such as bacteria and fungi that could then be inactivated by photocatalysis.
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页数：18
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