Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea
Proper remediation of aquatic environments contaminated by toxic organic dyes has become a research focus globally for environmental and chemical engineers. This study evaluates the adsorption potential of a polymer-based adsorbent, thiourea-modified poly(acrylonitrile-co-acrylic acid) (T-PAA) adsor...
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| Format: | Article |
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MDPI AG
2020
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| _version_ | 1796981690883637248 |
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| author | Adeyi, Abel Adekanmi Md. Jamil, Siti Nurul Ain Abdullah, Luqman Chuah Choong, Thomas Shean Yaw Lau, Kia Li Alias, Nor Halaliza |
| author_facet | Adeyi, Abel Adekanmi Md. Jamil, Siti Nurul Ain Abdullah, Luqman Chuah Choong, Thomas Shean Yaw Lau, Kia Li Alias, Nor Halaliza |
| author_sort | Adeyi, Abel Adekanmi |
| collection | UPM |
| description | Proper remediation of aquatic environments contaminated by toxic organic dyes has become a research focus globally for environmental and chemical engineers. This study evaluates the adsorption potential of a polymer-based adsorbent, thiourea-modified poly(acrylonitrile-co-acrylic acid) (T-PAA) adsorbent, for the simultaneous uptake of malachite green (MG) and methylene blue (MB) dye ions from binary system in a continuous flow adsorption column. The influence of inlet dye concentrations, pH, flow rate, and adsorbent bed depth on adsorption process were investigated, and the breakthrough curves obtained experimentally. Results revealed that the sorption capacity of the T-PAA for MG and MB increase at high pH, concentration and bed-depth. Thomas, Bohart-Adams, and Yoon-Nelson models constants were calculated to describe MG and MB adsorption. It was found that the three dynamic models perfectly simulate the adsorption rate and behavior of cationic dyes entrapment. Finally, T-PAA adsorbent demonstrated good cyclic stability. It can be regenerated seven times (or cycles) with no significant loss in adsorption potential. Overall, the excellent sorption capacity and multiple usage make T-PAA polymer an attractive adsorbent materials for treatment of multicomponent dye bearing effluent in a fixed-bed column system. |
| first_indexed | 2024-03-06T10:41:20Z |
| format | Article |
| id | upm.eprints-85823 |
| institution | Universiti Putra Malaysia |
| last_indexed | 2024-03-06T10:41:20Z |
| publishDate | 2020 |
| publisher | MDPI AG |
| record_format | dspace |
| spelling | upm.eprints-858232023-09-27T08:50:02Z http://psasir.upm.edu.my/id/eprint/85823/ Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea Adeyi, Abel Adekanmi Md. Jamil, Siti Nurul Ain Abdullah, Luqman Chuah Choong, Thomas Shean Yaw Lau, Kia Li Alias, Nor Halaliza Proper remediation of aquatic environments contaminated by toxic organic dyes has become a research focus globally for environmental and chemical engineers. This study evaluates the adsorption potential of a polymer-based adsorbent, thiourea-modified poly(acrylonitrile-co-acrylic acid) (T-PAA) adsorbent, for the simultaneous uptake of malachite green (MG) and methylene blue (MB) dye ions from binary system in a continuous flow adsorption column. The influence of inlet dye concentrations, pH, flow rate, and adsorbent bed depth on adsorption process were investigated, and the breakthrough curves obtained experimentally. Results revealed that the sorption capacity of the T-PAA for MG and MB increase at high pH, concentration and bed-depth. Thomas, Bohart-Adams, and Yoon-Nelson models constants were calculated to describe MG and MB adsorption. It was found that the three dynamic models perfectly simulate the adsorption rate and behavior of cationic dyes entrapment. Finally, T-PAA adsorbent demonstrated good cyclic stability. It can be regenerated seven times (or cycles) with no significant loss in adsorption potential. Overall, the excellent sorption capacity and multiple usage make T-PAA polymer an attractive adsorbent materials for treatment of multicomponent dye bearing effluent in a fixed-bed column system. MDPI AG 2020 Article PeerReviewed Adeyi, Abel Adekanmi and Md. Jamil, Siti Nurul Ain and Abdullah, Luqman Chuah and Choong, Thomas Shean Yaw and Lau, Kia Li and Alias, Nor Halaliza (2020) Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea. Molecules, 25 (11). art. no. 2650. pp. 1-17. ISSN 1420-3049 https://www.mdpi.com/1420-3049/25/11/2650 10.3390/molecules25112650 |
| spellingShingle | Adeyi, Abel Adekanmi Md. Jamil, Siti Nurul Ain Abdullah, Luqman Chuah Choong, Thomas Shean Yaw Lau, Kia Li Alias, Nor Halaliza Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea |
| title | Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea |
| title_full | Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea |
| title_fullStr | Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea |
| title_full_unstemmed | Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea |
| title_short | Simultaneous adsorption of malachite green and methylene blue dyes in a fixed-bed column using poly(acrylonitrile-co-acrylic acid) modified with thiourea |
| title_sort | simultaneous adsorption of malachite green and methylene blue dyes in a fixed bed column using poly acrylonitrile co acrylic acid modified with thiourea |
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