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<strong>Visible-light induced photocatalytic mineralization of methylene green dye using BaCrO4 photocatalyst</strong>

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Title Statement <strong>Visible-light induced photocatalytic mineralization of methylene green dye using BaCrO4 photocatalyst</strong>
 
Added Entry - Uncontrolled Name Solanki, Vijendra Singh; DeviAhilya University
 
Uncontrolled Index Term Advanced oxidation process; BaCrO4; Degradation; Photocatalysis; Methylene green
 
Summary, etc. The photocatalytic degradation of a hazardous methylene green dye solution has been reported. The effects of various parameters such as catalyst loading, <em>p</em>H, initial concentration of the dye, concentration of H<sub>2</sub>O<sub>2</sub> and K<sub>2</sub>S<sub>2</sub>O<sub>8,</sub> concentration of NaCl and Na<sub>2</sub> CO<sub>3</sub>, N<sub>2</sub> and O<sub>2</sub> bubbling, and intensity of light on decolourization have been investigated. The photocatalytic removal of methylene green dye and its degradation efficiency has been evaluated by determination of reduction in the chemical oxygen demand (COD) from 440 mg/L to 5 mg/L and increase in CO<sub>2</sub> values from 9 mg/L to 212 mg/L in 7 h. A decrease in <em>p</em>H and increase in conductivity of solution is observed with increase in the extent of mineralization. The extent of decolourization has been discussed in terms of the Langmuir-Hinshelwood model. The rate of decolourization of dye is recorded with respect to the change in the intensity of absorption peak in visible region. The prominent peak at λ<sub>max</sub>, i.e., 650 nm decreases gradually and finally disappears indicating that the dye is decolourized. Similarly the peak in the UV region at 300 nm decreases with the passage of time, thereby confirming the complete mineralization of the dye.
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2016-12-30 09:53:29
 
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http://op.niscair.res.in/index.php/IJCT/article/view/4919
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 23, ##issue.no## 6 (2016): Indian Journal of Chemical Technology
 
Language Note en
 
Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCT/article/download/4919/10990
http://op.niscair.res.in/index.php/IJCT/article/download/4919/10991
http://op.niscair.res.in/index.php/IJCT/article/download/4919/0