Biotemplated synthesis of high specific surface area copper-doped hollow spherical titania and its photocatalytic research for degradating chlorotetracycline

Photocatalytic degradation of tetracycline using nanosized titanium dioxide in aqueous solution

“…Reyes et al (2006), who studied TC photodegradation, reported 100 % of TC degradation after 120 min with higher mineralization level (90 %). It has been shown by Bu and Zhuang (2013) that photocatalytic processes could be effective to remove more than 80 % of chlortetracycline. These results are similar with those obtained by Palominos et al (2009), who studied degradation of TC using photocatalysis process.…”

Photocatalytic degradation of ciprofloxacin using mono- (Au, Ag and Cu) and bi- (Au–Ag and Au–Cu) metallic nanoparticles supported on TiO2 under UV-C and simulated sunlight

“…Other studies comparing different mono-metallic surface modified semiconductors have reported higher degradation of antibiotics using Ag/TiO 2 and Cu/TiO 2 compared to Au/TiO 2 catalyst [43]. Shokri et al [21] found the complete degradation of chloramphenicol in only 20 min using (1 wt.%) Ag/TiO 2 , while Bu and Zhang [22] reported total degradation of chlortetracycline upon 2 h of UV irradiation using Cu/TiO 2 hollow spheres. Oxidation of Cu nanoparticles during photocatalysis (as seen in the H 2 -TPR analysis, Fig.…”

“…Pugazhenthiran et al [12,13] used Au and Ag nanoparticles deposited on TiO 2 nanotubes to degrade ceftiofur sodium, obtaining the complete degradation and 50% of mineralization upon 90 min and 10 h of UV-visible-NIR (360-2000 nm) irradiation, respectively. Chlortetracycline was effectively degraded (80% upon 90 min irradiation) using bio-inspired hollow spherical Cu/TiO 2 materials and simulated sunlight [22]. Such results have been attributed to the high production of • OH radicals on the surface of the metallic nanoparticles [23].…”

Bioframe synthesis of NF–TiO2/straw charcoal composites for enhanced adsorption-visible light photocatalytic degradation of RhB

“…Various carbon-based materials (active carbon 24,25 , expanded graphite 26 and carbon foam 27 et al) have been extensively studied as supporter for catalyst because of their high surface area, high adsorption capacity, suitable pore structure and inert nature in certain rigorous circumstances. In synthesis of catalyst, formation of three-dimensional porous structure was reported to exhibit an enhanced photocatalytic performance 28 . Recently, biostructures such as green leaf 29 , soft rush 30 , butterfly wings 31 , diatoms 32 have been used as biotemplates to fabricate different morphology of catalyst.…”