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Organobentonite as an efficient and reusable adsorbent for cationic dyes removal from aqueous solution

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Title Statement Organobentonite as an efficient and reusable adsorbent for cationic dyes removal from aqueous solution
 
Added Entry - Uncontrolled Name Patanjali, Pooja ; University of Delhi
Chopra, Indu ; ICAR-Indian Agricultural Research Institute, New Delhi
Mandal, Abhishek ; ICAR-Indian Agricultural Research Institute, New Delhi
Singh, Rajeev ; University of Delhi
University of Delhi
 
Uncontrolled Index Term Adsorption; Bentonite; Crystal violet; Rhodamine B; Surfactant
 
Summary, etc. <p>In the present study, cetyltrimethylammonium bromide (CTAB) was used to modify raw bentonite (Ben) through the replacement of exchangeable cations to form CTAB modified bentonite (CTAB-Ben). Both Ben and CTAB-Ben were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy and Brunauer-Emmet-Teller (BET) analysis. Adsorption potential of Ben and CTAB-Ben were explored for the removal of two cationic dyes i.e. Rhodamine B (RB) and Crystal violet (CV) from aqueous solutions. The maximum dye adsorption capacity of CTAB-Ben was found to be 93.15 and 14.76 mg g<sup>-1</sup> for CV and RB, respectively. The adsorption data of both the adsorbents was better explained by Freundlich isotherm whereas the pseudo second order (PSO) model better fitted the kinetics data. Regeneration studies revealed that CTAB-Ben could be reused upto five adsorption-desorption cycles.</p>
 
Publication, Distribution, Etc. Journal of Scientific and Industrial Research (JSIR)
2021-01-11 11:27:31
 
Electronic Location and Access http://op.niscair.res.in/index.php/JSIR/article/view/41060
 
Data Source Entry Journal of Scientific and Industrial Research (JSIR); ##issue.vol## 80, ##issue.no## 01 (21)
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/JSIR/article/download/41060/465528804