Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal
Due to the risk of chromium (Cr) contamination, industrial waste emissions have become a global concern, necessitating an effective adsorption approach. Polyvinyl alcohol (PVA) - alginate beads are a promising material for overcoming this problem. The present work aims to investigate the effect of u...
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| Online Access: | http://eprints.uthm.edu.my/12619/1/J19563_8b65e4bcc89367421513622fff37e05f.pdf http://eprints.uthm.edu.my/12619/ https://doi.org/10.30880/jsmpm.2025.05.01.001 |
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| author | Lau, W.G Selimin, M.A Lee, T.C |
| author_facet | Lau, W.G Selimin, M.A Lee, T.C |
| author_sort | Lau, W.G |
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| content_provider | Universiti Tun Hussein Onn Malaysia |
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| continent | Asia |
| country | Malaysia |
| description | Due to the risk of chromium (Cr) contamination, industrial waste emissions have become a global concern, necessitating an effective adsorption approach. Polyvinyl alcohol (PVA) - alginate beads are a promising material for overcoming this problem. The present work aims to investigate the effect of ultraviolet (UV) light irradiation on the preparation of PVA-alginate beads throughout a range of UV irradiation durations, as well as its Cr (VI) removal rate. In this work, a
homogeneous gel made of PVA and sodium alginate (SA) was produced
and then radiated to UVA light for varying periods of time (5-20 minutes). Subsequently, the PVA-alginate adsorbent beads were made by crosslinking with 6% boric acid and 2% calcium chloride. PVAalginate adsorbent beads were fabricated easily after UVA irradiation because the viscosity of gel PVA-alginate was reduced. The Cr (VI) adsorption experiment employed 15 g of PVA-alginate adsorbent beads, 180 minutes of adsorption time, and 50 mg/L Cr (VI) initial
concentration. The size analysis revealed that the average diameter of the adsorbent beads after Cr (VI) adsorption was approximately 4.00 mm. The UV-Vis results showed that sample A prepared by exposing the PVA-alginate adsorbent beads to UV light for 5 minutes has an optimum Cr (VI) removal rate of 71.63% after in contact for 180 minutes. This study's findings were critical for establishing a new knowledge of the production of PVA-alginate beads irradiated with UV light and moving forward to mitigate heavy metal pollution in waste water, therefore enhancing the quality of water and the environment. |
| format | Article |
| id | my.uthm.eprints-12619 |
| institution | Universiti Tun Hussein Onn Malaysia |
| language | en |
| publishDate | 2025 |
| publisher | uthm |
| record_format | eprints |
| spelling | my.uthm.eprints-126192025-05-30T08:53:48Z http://eprints.uthm.edu.my/12619/ Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal Lau, W.G Selimin, M.A Lee, T.C TD Environmental technology. Sanitary engineering Due to the risk of chromium (Cr) contamination, industrial waste emissions have become a global concern, necessitating an effective adsorption approach. Polyvinyl alcohol (PVA) - alginate beads are a promising material for overcoming this problem. The present work aims to investigate the effect of ultraviolet (UV) light irradiation on the preparation of PVA-alginate beads throughout a range of UV irradiation durations, as well as its Cr (VI) removal rate. In this work, a homogeneous gel made of PVA and sodium alginate (SA) was produced and then radiated to UVA light for varying periods of time (5-20 minutes). Subsequently, the PVA-alginate adsorbent beads were made by crosslinking with 6% boric acid and 2% calcium chloride. PVAalginate adsorbent beads were fabricated easily after UVA irradiation because the viscosity of gel PVA-alginate was reduced. The Cr (VI) adsorption experiment employed 15 g of PVA-alginate adsorbent beads, 180 minutes of adsorption time, and 50 mg/L Cr (VI) initial concentration. The size analysis revealed that the average diameter of the adsorbent beads after Cr (VI) adsorption was approximately 4.00 mm. The UV-Vis results showed that sample A prepared by exposing the PVA-alginate adsorbent beads to UV light for 5 minutes has an optimum Cr (VI) removal rate of 71.63% after in contact for 180 minutes. This study's findings were critical for establishing a new knowledge of the production of PVA-alginate beads irradiated with UV light and moving forward to mitigate heavy metal pollution in waste water, therefore enhancing the quality of water and the environment. uthm 2025 Article PeerReviewed text en http://eprints.uthm.edu.my/12619/1/J19563_8b65e4bcc89367421513622fff37e05f.pdf Lau, W.G and Selimin, M.A and Lee, T.C (2025) Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal. Journal Of Sustainable Materials Processing And Management, 5 (1). pp. 1-8. ISSN 2821-2843 https://doi.org/10.30880/jsmpm.2025.05.01.001 |
| spellingShingle | TD Environmental technology. Sanitary engineering Lau, W.G Selimin, M.A Lee, T.C Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal |
| title | Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal |
| title_full | Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal |
| title_fullStr | Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal |
| title_full_unstemmed | Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal |
| title_short | Adsorption Efficiency of UV-Irradiated Polyvinyl AlcoholAlginate Adsorbent Beads for Chromium (VI) Removal |
| title_sort | adsorption efficiency of uv-irradiated polyvinyl alcoholalginate adsorbent beads for chromium (vi) removal |
| topic | TD Environmental technology. Sanitary engineering |
| url | http://eprints.uthm.edu.my/12619/1/J19563_8b65e4bcc89367421513622fff37e05f.pdf http://eprints.uthm.edu.my/12619/ https://doi.org/10.30880/jsmpm.2025.05.01.001 |
| url_provider | http://eprints.uthm.edu.my/ |