• Heterogeneous catalysis.
• Homogeneous catalysis.
• The physicochemical properties of semiconductors.
• The physicochemical properties of the composite.
• Water treatment and liquid effluents.
• The valuation of food waste (date stones, olive pomace, palm trunk ...) for the manufacture of activated carbon.
• The physicochemical properties of the polymer.
• Energy production by new technologies (fuel cells, hydrogen storage, electrochemical energy storage, photovoltaic conversion ...).
• The original synthesis of a wide variety of nanomaterials and organizations based on oxides (metallic, inorganic-organic hybrid, organic-inorganic hybrids).
• The synthesis of nanomaterials original and very varied of organizations, based on oxides (metallic, hybrid organic-inorganic hybrid inorganic-biological).
• The inorganic photochemistry and speciation element in the natural environment.
• Interaction between large organic molecules and metal surfaces and semiconductor for consider applications in molecular electronics.
I have a good experience in the preparation and characterization of solid photoactive, the deposition of thin layers of semi-conductors, the self-assembly of organic molecules and characterization of materials at the nanoscale and atomic.
National School for Engineering Studies of Gabes, Tunisia;
Research Unit Catalysis and Materials for Environment and Processes URCMEP (UR11ES85), university campus.
February 2012 - December 2013
► Memory Master: 2012-2013
Mission: Synthesis, characterization and study of activity of a floating photocatalyst for water treatment.
Mention: very well.
Synthesis, characterization and study of activity of a floating photocatalyst for water treatment.
Advanced oxidation processes (AOPs) permit the total degradation (mineralisation) in aqueous solutions of toxic organic molecules for human being and for environment.
In this work, we are interested in the synthesis of novel photocatalysts based on composites TiO2/PANI and TiO2/AS and supported on floating substrates (cork).These catalysts show the unique feature of floating on the water surface where optimum illumination and oxygenation occurs leading to the formation of a higher rate of radicals (OH·) and therefore a strong increase in their photocatalytic efficiency.
This study concerns the application of this advanced oxidation processes (AOPs) to treatment of wastewater contaminated with methylene blue dye selected as a model pollutant in a solar photo-reactor containing one of the floating catalysts. The results obtained enabled as to show that photocatalytic degradation of this dye allows abatement superior 80% during 4 hours of treatment according the first apparent kinetic order.
The floating photocatalysts can be applied directly in the contaminated wastewater reservoirs located in remote places without any special equipment or installation and using the sun as a sole source of energy.
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