Solvent-Free Process for the Development of Photocatalytic Membranes

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 homogenei...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2019-12, Vol.24 (24), p.4481
Main Authors: Huertas, Rosa M, Fraga, Maria C, Crespo, João G, Pereira, Vanessa J
Format: Article
Language:English
Subjects:
Adsorption
Biodegradation
Catalysis
Catalytic activity
Chemical oxygen demand
Cost assessments
Cost control
Efficiency
Experiments
Food industries wastewaters
Food processing industry wastes
Green chemistry
Mechanical properties
Membrane reactors
Membranes
Methylene Blue - chemistry
Molecular weight
Organic carbon
Organic chemistry
Phenolic compounds
Phenols
Photocatalysis
Photochemistry - methods
Pore size
Production costs
Silicon
Silicon carbide
Sol-gel processes
Solid suspensions
Solvents
Solvents - chemistry
Sustainability
Temperature
Thermal resistance
Total organic carbon
Total suspended solids
Volatile compounds
Wastewater treatment
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Summary: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.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules24244481