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Aplication of Photocatalytic Processes for Contaminated Water Cleaning
Maléterová, Ywetta ; Krejčíková, Simona ; Spáčilová, Lucie ; Cajthaml, Tomáš ; Kaštánek, František ; Šolcová, Olga
The necessity of finding the alternative solutions for environmental protection leads to development and use of the new technologies. Photo-catalysis has been applied as a promising technique for the wastewater decontamination and/or purification using semiconductor particles have found increasing interest to solve the resistant pollutants remove problems. This study is focused on verification of the specially designed photoactive materials and their modified versions suitable for photo-processes carried out upon illumination in the UV light.TiO2 as a photocatalyst immobilized in thin layers on glass beads or glass tubes were used for the degradation of 4-chlorophenol and endocrine disruptors namely 4-nonylphenol, 17-ethynylestradiol and bisphenol A in water solution with allowance of the toxicity of final water. Experiments demonstrate the efficiency of photocatalytic degradation for all compounds in both types of photocatalytic reactor (batch and continual arrangement) was 85% in average. The toxicity and the estrogenity of final water were monitored. The long term efficiency of titania catalyst was also proved.
Fulltext: content.csg -  PDF
Plný tet: SKMBT_C22013103010060 - PDF
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Photocatalytic Degradation of Bisphenol A
Spáčilová, Lucie ; Maléterová, Ywetta ; Cajthaml, Tomáš ; Šolcová, Olga
Bisphenol A belongs to the group of the environmental estrogens that act as the hormonal system of the body. It is one of the most representative endocrine disruptors in wastewater. Bisphenol A gets into rivers from the production of polycarbonate, respectively, from the processing thereof. More than 75% of the Czech polycarbonate consumption is concentrated in three key economic sectors: automotive, construction, electronics and electrical industry.
Fulltext: content.csg - PDF
Plný tet: SKMBT_C22013102415320 - PDF
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