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<strong>Comparison study of COD adsorption on bentonite-based nanocomposite materials in landfill leachate treatment: Characterization, Isotherms, Kinetics and Regeneration</strong>

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Title Statement <strong>Comparison study of COD adsorption on bentonite-based nanocomposite materials in landfill leachate treatment: Characterization, Isotherms, Kinetics and Regeneration</strong>
 
Added Entry - Uncontrolled Name Hajjizadeh, Matin ; Department of Environmental Science, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Goodarzvand Chegini, Zahra ; Department of Environmental Science, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Mehralian, Mohammad ; Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Khashij, Maryam ; Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
 
Uncontrolled Index Term Bentonite-based nanocomposite; COD; Leachate; Regeneration
 
Summary, etc. <p><span>The COD removal from landfill leachate using bentonite-based nanocomposites prepared using different modifiers has been investigated. Different techniques including FE-SEM, XRD, FTIR, TGA and Zeta potential have been utilized for characterization of nanocomposites (NCs). The independent variables includingNCs dose, pH and contact time are studied for COD removal efficiency. The optimal values are obtained to be a NCs dose of 40 g/L, pH of 3.00, and a contact time of 20 min for maximized COD removal efficiencies of 67.90, 71.30 and 52.00% using Arg/CTS-BEN, H/CTS-BEN and CTSBEN NCs, respectively. Kinetics studies fitted well with the pseudo-second order model with rate constants of 25.64, 28.65 and 25.00 mg/g by H/CTS-BEN, Arg/CTS-BEN and CTS-BEN NCs, respectively. The adsorption of the COD is well described by Langmuir equations (R2 0.99). Results show that the synthesized NCs is promising and efficient in purifying landfill leachate.</span></p>
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2023-05-15 11:28:19
 
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http://op.niscair.res.in/index.php/IJCT/article/view/68031
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 30, ##issue.no## 3 (2023): Indian Journal of Chemical Technology
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCT/article/download/68031/465623296
http://op.niscair.res.in/index.php/IJCT/article/download/68031/465623297
http://op.niscair.res.in/index.php/IJCT/article/download/68031/465623298