Photocatalytic efficiency of nanocrystalline zeolite TS-1 for the degradation of methyl orange

2009 ◽  
Vol 98 (2) ◽  
pp. 265-272 ◽  
Author(s):  
Hsiu-Ling Hsu ◽  
Rosilda Selvin ◽  
L. Selva Roselin ◽  
Prajitha Kumari ◽  
Jia-Wei Cao
2012 ◽  
Vol 549 ◽  
pp. 584-588
Author(s):  
Qing Li ◽  
Rui Zhi Wen

Nano-TiO2 photocatalyst powders were prepared through the sol-gel method and supercritical fluid drying(SCFD). The TG-DTA、XRD、particle size distribution technique、SEM were used to characterize the hyperfine TiO2 particles.The lanthanum-doped TiO2 with different mass percentage of La3+ were compared with pure TiO2 when used as photocatalyst in degradation of methyl orange. The best catalytic activity was observed with 0.02(mol)%La-TiO2. Photocatalytic efficiency of the 0.02(mol)%La- TiO2 is improved by 30.79% comparing to pure TiO2.


2020 ◽  
Vol 16 ◽  
Author(s):  
Nimisha Jadon ◽  
Gulzar Ahmad Bhat ◽  
Manoharmayum Vishwanath Sharma ◽  
Harendra Kumar Sharma

Background: The study focuses on the synthesis of chitosan/ Fe2O3 nanocomposite, its characterization and application in methyl orange dye degradation. Methods: The synthesized chitosan/ Fe2O3 nanocomposite was characterized with Powder X-Ray Diffraction, Fourier Transformation Infrared Spectroscopy (FTIR), Transmission Electron Microscopy (TEM) and UV-Vis Spectroscopy. Results: The characterization showed that the Fe2O3nanoparticles were embedded in the polymer matrix of chitosan. The size of the Fe2O3nanoparticles were less than 10nm and the crystallite size was 1.22 nm.The synthesized chitosan/ Fe2O3nanocomposite was tested for methyl orange degradation using different parameters such as effect of contact time, effect of dose, effect of concentration and effect of pH for the degradation of methyl orange dye in aqueous solution.The Fruendlich, Langmuir and Temkin isotherm studies were also conducted for adsoption of methyl orange on Chitosan/ Fe2O3nanocomposite. Conclusion: The study indicated that the synthesized chitosan/Fe2O3 nanocomposite had the potential of degrading methyl orange dye up to 75.04% under the set condition in this experiment which indicate that Chitosan/ Fe2O3 nanocomposite is a viable option that can be used for the degradation of methyl orange dye.


2019 ◽  
Vol 95 ◽  
pp. 105933
Author(s):  
Guohui Wang ◽  
Ruiqi Huang ◽  
Annan Zhou ◽  
Qinghong Xu

2021 ◽  
Vol 938 ◽  
pp. 121751
Author(s):  
Kelly A.D.F. Castro ◽  
João M.M. Rodrigues ◽  
M. Amparo F. Faustino ◽  
João P.C. Tomé ◽  
José A.S. Cavaleiro ◽  
...  

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