Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite
The increasing environmental threat posed by various dye contaminants in wastewater necessitates the development of efficient catalytic systems for their removal. This research work investigates the synthesis of gold nanoparticles (Au NPs) on chitosan-coated cotton cloth (CH-CC) as a versatile catal...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2025-01-01
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| Series: | Materials Research Express |
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| Online Access: | https://doi.org/10.1088/2053-1591/adaac6 |
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| author | Awais Fahim Ullah Adnan Khan Romana Khan Sher Bahadar Khan Khalid A Alzahrani Nauman Ali Mazhar Ul-Islam Muhammad Tariq Saeed Chani Tahseen Kamal |
| author_facet | Awais Fahim Ullah Adnan Khan Romana Khan Sher Bahadar Khan Khalid A Alzahrani Nauman Ali Mazhar Ul-Islam Muhammad Tariq Saeed Chani Tahseen Kamal |
| author_sort | Awais |
| collection | DOAJ |
| description | The increasing environmental threat posed by various dye contaminants in wastewater necessitates the development of efficient catalytic systems for their removal. This research work investigates the synthesis of gold nanoparticles (Au NPs) on chitosan-coated cotton cloth (CH-CC) as a versatile catalyst for the reduction of hazardous dyes, specifically methylene blue (MB), rhodamine B (RB), and congo red (CR). The Au-CH-CC composite was prepared by treating CH-CC with HAuCl _4 and reducing the formed ions using sodium borohydride. XRD, SEM, and EDX were adopted as characterization techniques which confirmed the successful formation of gold nanoparticles. The catalytic performance was evaluated via UV–visible spectrophotometry, revealing rapid dye reductions of 93%, 86%, and 98% for MB, RB, and CR in 12, 9, and 6 min, respectively. Kinetic analysis indicated pseudo-first-order kinetics by using the Au-CH-CC as catalyst, with respective rate constants of 0.18, 0.23, and 0.54 min ^−1 . The recyclability of the catalyst was demonstrated by repeatedly recovering and reusing it in three successive cycles. The findings in this study reveal the potential of utilizing Au NPs on biomass-derived materials for environmentally friendly dye remediation, presenting a sustainable approach to mitigating dyes pollution from wastewater. |
| format | Article |
| id | doaj-art-fb6e3a25b0e744719a3d9dfd3514c2fc |
| institution | Kabale University |
| issn | 2053-1591 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Materials Research Express |
| spelling | doaj-art-fb6e3a25b0e744719a3d9dfd3514c2fc2025-01-31T17:47:11ZengIOP PublishingMaterials Research Express2053-15912025-01-0112101500810.1088/2053-1591/adaac6Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth compositeAwais0Fahim Ullah1Adnan Khan2Romana Khan3Sher Bahadar Khan4Khalid A Alzahrani5Nauman Ali6Mazhar Ul-Islam7Muhammad Tariq Saeed Chani8https://orcid.org/0000-0003-1725-1191Tahseen Kamal9https://orcid.org/0000-0002-5314-7204Institute of Chemical Sciences, University of Peshawar , Peshawar, PakistanInstitute of Chemical Sciences, University of Peshawar , Peshawar, PakistanInstitute of Chemical Sciences, University of Peshawar , Peshawar, PakistanDepartment of Environmental Sciences, COMSATS University Islamabad , Abbottabad Campus, Abbottabad 22060, PakistanCenter of Excellence for Advanced Materials Research, King Abdulaziz University , PO Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, King Abdulaziz University , PO Box 80203, Jeddah, 21589, Saudi ArabiaCenter of Excellence for Advanced Materials Research, King Abdulaziz University , PO Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, King Abdulaziz University , PO Box 80203, Jeddah, 21589, Saudi ArabiaInstitute of Chemical Sciences, University of Peshawar , Peshawar, PakistanDepartment of Chemical Engineering, Dhofar University , Salalah, OmanCenter of Excellence for Advanced Materials Research, King Abdulaziz University , PO Box 80203, Jeddah, 21589, Saudi ArabiaCenter of Excellence for Advanced Materials Research, King Abdulaziz University , PO Box 80203, Jeddah, 21589, Saudi ArabiaThe increasing environmental threat posed by various dye contaminants in wastewater necessitates the development of efficient catalytic systems for their removal. This research work investigates the synthesis of gold nanoparticles (Au NPs) on chitosan-coated cotton cloth (CH-CC) as a versatile catalyst for the reduction of hazardous dyes, specifically methylene blue (MB), rhodamine B (RB), and congo red (CR). The Au-CH-CC composite was prepared by treating CH-CC with HAuCl _4 and reducing the formed ions using sodium borohydride. XRD, SEM, and EDX were adopted as characterization techniques which confirmed the successful formation of gold nanoparticles. The catalytic performance was evaluated via UV–visible spectrophotometry, revealing rapid dye reductions of 93%, 86%, and 98% for MB, RB, and CR in 12, 9, and 6 min, respectively. Kinetic analysis indicated pseudo-first-order kinetics by using the Au-CH-CC as catalyst, with respective rate constants of 0.18, 0.23, and 0.54 min ^−1 . The recyclability of the catalyst was demonstrated by repeatedly recovering and reusing it in three successive cycles. The findings in this study reveal the potential of utilizing Au NPs on biomass-derived materials for environmentally friendly dye remediation, presenting a sustainable approach to mitigating dyes pollution from wastewater.https://doi.org/10.1088/2053-1591/adaac6catalytic degradationgold nanoparticleschitosancotton clothdyes |
| spellingShingle | Awais Fahim Ullah Adnan Khan Romana Khan Sher Bahadar Khan Khalid A Alzahrani Nauman Ali Mazhar Ul-Islam Muhammad Tariq Saeed Chani Tahseen Kamal Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite Materials Research Express catalytic degradation gold nanoparticles chitosan cotton cloth dyes |
| title | Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite |
| title_full | Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite |
| title_fullStr | Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite |
| title_full_unstemmed | Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite |
| title_short | Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite |
| title_sort | catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite |
| topic | catalytic degradation gold nanoparticles chitosan cotton cloth dyes |
| url | https://doi.org/10.1088/2053-1591/adaac6 |
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