Preparation and characterization of TiO 2 nanofibers by hydrothermal method for removal of Benzodiazepines (Diazepam) from liquids as catalytic ozonation and adsorption processes
Journal of Molecular Liquids, ISSN: 0167-7322, Vol: 249, Page: 1033-1038
2018
- 41Citations
- 48Captures
- 3Mentions
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Most Recent News
A Low-Cost Way to Remove Valium from Wastewater
A low-cost, efficient one-step method to remove the anxiety drug Diazepam from recycled water and wastewater, using titanium dioxide nanofibers has been developed by researchers
Article Description
TiO 2 nanofibers were synthesized by hydrothermal method and characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM). The specific surface area of the nanofibers was determined using the Brunauer–Emmett–Teller (BET) method. The value of specific surface area was 67.89 m 2 g −1 for TiO 2 nanofibers. The aim of this study was to evaluate the effectiveness of TiO 2 nanofibers in removal of Diazepam from water solutions. The maximum adsorption capacity occurred in Diazepam concentration of 20 mg/l, contact times of 60 min, pH = 6 and adsorbent mass of 0.09 mg/L. The result of the Langmuir and Freundlich isotherm study show that of TiO 2 nanofibers behave more similar to Langmuir isotherm model. The adsorption process was exothermic and TiO 2 nanofibers follow the pseudo second order kinetic model and the other adsorbent follows the pseudo first order kinetic model. Since TiO 2 nanofibers are available and affordable and according to this study have high capacity for removal of Diazepam. Finally, the catalytic ability of TiO 2 nanofibers was investigated for catalytic ozonation of Diazepam. Results showed that TiO 2 nanofibers have high efficiency in catalytic ozonation of Diazepam.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0167732217323218; http://dx.doi.org/10.1016/j.molliq.2017.11.144; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85035798604&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0167732217323218; https://dx.doi.org/10.1016/j.molliq.2017.11.144
Elsevier BV
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