Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater
Glauconite (Gl), a naturally occurring clay material, was utilized as an affordable and ecologically friendly adsorbent to explore its capturing capacity towards Congo red (CR) dye from textile industrial waste effluent. To improve adsorption and removal effectiveness, a modification technique utili...
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MDPI AG
2022-11-01
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| author | Doaa Salah Ahmed Hamd N. K. Soliman Ali M. Elzanaty Abdulaziz M. Alanazi Mohamed Shaban Refat El-Sayed Sayed A. Ahmed |
| author_facet | Doaa Salah Ahmed Hamd N. K. Soliman Ali M. Elzanaty Abdulaziz M. Alanazi Mohamed Shaban Refat El-Sayed Sayed A. Ahmed |
| author_sort | Doaa Salah |
| collection | DOAJ |
| description | Glauconite (Gl), a naturally occurring clay material, was utilized as an affordable and ecologically friendly adsorbent to explore its capturing capacity towards Congo red (CR) dye from textile industrial waste effluent. To improve adsorption and removal effectiveness, a modification technique utilizing polyaniline (PAN) was investigated. An X-ray diffractometer (XRD), a scanning electron microscope (SEM), and Fourier transformer infrared (FTI-R) were applied as strong familiar characterization techniques for all used adsorbents. The effects of starting concentration, contact duration, adsorbent dose, pH, and temperature on the adsorption process were also studied. The reusability of the adsorbent was studied over four adsorption cycles. The results show that PAN modification of Gl enhances the effectiveness of CR elimination. The clearance efficiency of raw and modified glauconite at 25 °C and pH 7 was 77% and 91%, respectively. The kinetics and isotherms of Congo red dye adsorption were investigated using batch studies to determine the impacts of various experimental conditions. The maximum adsorption capacity of the glauconite/polyaniline (Gl/PAN) nanocomposite rose from 11.9 mg/g for Gl to 14.1 mg/g in accordance with the isotherm analysis, which shows that the Langmuir isotherm properly characterizes the experimental data. The pseudo-second-order model (R<sup>2</sup> = 0.998) properly expresses the experimental data. The reusability research proved that the adsorbents may be reused effectively. The overall results suggest that the modified Gl by PAN might be used as a low-cost, natural adsorbent for eliminating CR color from textile effluent. |
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| spelling | doaj.art-2ebe85e72f554b0a8f29b1dcb804c8e22023-11-24T09:59:55ZengMDPI AGSeparations2297-87392022-11-0191138410.3390/separations9110384Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile WastewaterDoaa Salah0Ahmed Hamd1N. K. Soliman2Ali M. Elzanaty3Abdulaziz M. Alanazi4Mohamed Shaban5Refat El-Sayed6Sayed A. Ahmed7Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef 62511, EgyptBasic Science Department, Faculty of Oral and Dental Medicine, Nada University, Beni-Suef 62764, EgyptBasic Science Department, Faculty of Oral and Dental Medicine, Nada University, Beni-Suef 62764, EgyptDepartment of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef 62511, EgyptDepartment of Chemistry, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi ArabiaDepartment of Physics, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi ArabiaDepartment of Chemistry, University College in Al-Jamoum, Umm Al-Qura University, Makkah 25376, Saudi ArabiaDepartment of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef 62511, EgyptGlauconite (Gl), a naturally occurring clay material, was utilized as an affordable and ecologically friendly adsorbent to explore its capturing capacity towards Congo red (CR) dye from textile industrial waste effluent. To improve adsorption and removal effectiveness, a modification technique utilizing polyaniline (PAN) was investigated. An X-ray diffractometer (XRD), a scanning electron microscope (SEM), and Fourier transformer infrared (FTI-R) were applied as strong familiar characterization techniques for all used adsorbents. The effects of starting concentration, contact duration, adsorbent dose, pH, and temperature on the adsorption process were also studied. The reusability of the adsorbent was studied over four adsorption cycles. The results show that PAN modification of Gl enhances the effectiveness of CR elimination. The clearance efficiency of raw and modified glauconite at 25 °C and pH 7 was 77% and 91%, respectively. The kinetics and isotherms of Congo red dye adsorption were investigated using batch studies to determine the impacts of various experimental conditions. The maximum adsorption capacity of the glauconite/polyaniline (Gl/PAN) nanocomposite rose from 11.9 mg/g for Gl to 14.1 mg/g in accordance with the isotherm analysis, which shows that the Langmuir isotherm properly characterizes the experimental data. The pseudo-second-order model (R<sup>2</sup> = 0.998) properly expresses the experimental data. The reusability research proved that the adsorbents may be reused effectively. The overall results suggest that the modified Gl by PAN might be used as a low-cost, natural adsorbent for eliminating CR color from textile effluent.https://www.mdpi.com/2297-8739/9/11/384polyanilineglauconitenanocompositesadsorbentswater treatmentCongo red dye |
| spellingShingle | Doaa Salah Ahmed Hamd N. K. Soliman Ali M. Elzanaty Abdulaziz M. Alanazi Mohamed Shaban Refat El-Sayed Sayed A. Ahmed Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater Separations polyaniline glauconite nanocomposites adsorbents water treatment Congo red dye |
| title | Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater |
| title_full | Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater |
| title_fullStr | Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater |
| title_full_unstemmed | Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater |
| title_short | Polyaniline/Glauconite Nanocomposite Adsorbent for Congo Red Dye from Textile Wastewater |
| title_sort | polyaniline glauconite nanocomposite adsorbent for congo red dye from textile wastewater |
| topic | polyaniline glauconite nanocomposites adsorbents water treatment Congo red dye |
| url | https://www.mdpi.com/2297-8739/9/11/384 |
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