Photocatalytic Activity of Magnesium Ferrite Synthesized by Microwave Sintering Assisted Polyacrylamide Gel Method in Degradation of Methyl Orange Dye in Wastewater

2021 ◽  
Vol 95 (10) ◽  
pp. 2163-2170
Author(s):  
Xin Tian ◽  
Xiuchao Zhu
2012 ◽  
Vol 151 ◽  
pp. 365-367 ◽  
Author(s):  
Kai Yuan Gu ◽  
Zhan En Peng ◽  
Jin Hua Feng ◽  
Feng Qiang Sun

The ZnO-Cr2O3 composites with different complex proportion were prepared by a sol-gel method. The mol ratio of Zn and Cr element could be tuned by controlling the concentration of the precursors. These composites showed photocatalytic activities in degradation of methyl orange under the irradiation of 300W mercury lamp. And the activities regularly varied with the mol ratio of Zn and Cr. When n(Zn):n(Cr)=10:1, a composite with best photocatalytic activity could be obtained.


2021 ◽  
Vol 2 (1) ◽  
pp. 61-69
Author(s):  
Abdul Halim Abdullah ◽  
Elisa Rasouli ◽  
Ernee Noryana Muhamad ◽  
Pooneh Kia

ZnO and a series of Ag/ZnO photocatalysts were prepared by a precipitation- irradiation method and their photocatalytic performance in photodegradation of methyl orange dye was evaluated. The physicochemical properties of the catalysts were characterized by various characterization techniques. The photocatalysts have a hexagonal phase and were highly agglomerated. TEM images showed a change in morphology of ZnO from rod to nearly spherical with the addition of Ag. Ag/ZnO catalysts exhibited better photocatalytic activity in the degradation of methyl orange compared to pure ZnO. Ag/ZnO contains 2% silver shows the best performance as photocatalyst.


2015 ◽  
Vol 152 ◽  
pp. 163-165 ◽  
Author(s):  
Rizwan Khan ◽  
M. Shamshi Hassan ◽  
Periyayya Uthirakumar ◽  
Jin Hyeon Yun ◽  
Myung-Seob Khil ◽  
...  

2017 ◽  
Vol 266 ◽  
pp. 101-104 ◽  
Author(s):  
Michelle Lenair Canaria ◽  
Jackie Lou Ramos ◽  
Charles Morgan Sayson ◽  
Mary Donnabelle L. Balela

Hematite (Fe2O3) nanostructures were successfully grown on the surface of iron foil by simple thermal oxidation in air. The iron foil was heated at 300 – 700 °C for 8 h to produce Fe2O3 nanosheets and nanowires. The oxide layer is primarily composed of Fe2O3 with a small amount of magnetite (Fe3O4) and wustite (FeO). The photocatalytic activity of the Fe2O3 nanowires was investigated by degradation of methyl orange dye under 30 W UV light in the presence of a minute amount of hydrogen peroxide. The Fe2O3 nanowires exhibit excellent photocatalytic activity, wherein 2.5 ppm of the methyl orange was fully decomposed in 30 min.


2018 ◽  
Vol 33 (5) ◽  
pp. 333-339 ◽  
Author(s):  
D. Prabha ◽  
K. Usharani ◽  
S. Ilangovan ◽  
M. Suganya ◽  
S. Balamurugan ◽  
...  

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