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Ozonation of ibuprofen in presence of SrWO4/ZnO photo-catalyst

Emerging Contaminants 2022年第1期8卷 391-399页

作者： Hesham Alhumade Javaid Akhtar Saad Al-Shahrani iqbal ahmed moujdin M.B.Tahir Department of Chemical&Materials Engineering King Abdulaziz UniversityJeddah 21589Saudi Arabia Institute of Chemical Engineering&Technology University of the PunjabLahorePakistan Center of Excellence in Desalination Technology King Abdulaziz UniversityP.O.Box 80200Jeddah 21589Saudi Arabia Department of Physics University of the GujratGujratPakistan Department of Mechanical Engineering King Abdulaziz UniversityP.O.Box 80200Jeddah 21589Saudi Arabia

The study was performed for removing ibuprofen from water using ozonation with visible light SrWO4/ZnO *** the removal of Ibuprofen,the overall reaction was carried out in a glass reactor in the presence of UV light and constant supply of *** maximum removal efficiency of Ibuprofen was 93%at 0.1 mg/L initial Ibuprofen concentration,and 0.35 g/L catalyst concentration keeping the contact time 30 *** a certain value,an increase in a concentration of doping agent,catalyst as well as initial Ibuprofen concentration results in a decrease of efficiency of the *** prepared photo catalysts were characterized by X-ray diffraction,FTIR spectra and SEM *** peaks and FTIR spectra has clearly shown that the doping of SrWO4 with ZnO showed better result as compared to *** analysis showed that they spherical nano-composite crystals were dominant in *** character was found to reduce after ozonation of *** by products were formed and were identified through GC-MS *** results,it was found that combination of SrWO4/ZnO was able to remove 93%of ibuprofen and 0.4%dopping of ZnO on SrWO4 was found to be *** pattern of by products were identitified in GC-MS with various mass ratios as 177,92,57,*** 55%removal of BOD was observed in this *** study was found to be useful for removal of pharmaceuticals and other similar pollutants from water effectively.

关键词： Ozonation Ibuprofen Photo-catalyst GC-MS BOD SrWO4/ZnO

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