From Nature to Remediation: Biomaterials for Malachite Green Retention and Degradation.
| Title: | From Nature to Remediation: Biomaterials for Malachite Green Retention and Degradation. |
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| Authors: | Doroftei RF; School of Doctoral Studies, 'Vasile Alecsandri' University of Bacau, 157 Calea Marasesti Street, 600115 Bacau, Romania.; Silion M; Physics of Polymers and Polymeric Materials, 'Petru Poni' Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania.; Ioniță D; Physics of Polymers and Polymeric Materials, 'Petru Poni' Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania.; Dascalu A; Physics of Polymers and Polymeric Materials, 'Petru Poni' Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania.; Nedeff F; Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, 'Vasile Alecsandri' University of Bacau, 157 Calea Marasesti Street, 600115 Bacau, Romania.; Georgescu AM; Department of Chemical and Food Engineering, Faculty of Engineering, 'Vasile Alecsandri' University of Bacau, 157 Calea Marasesti Street, 600115 Bacau, Romania.; Rosu AM; Department of Chemical and Food Engineering, Faculty of Engineering, 'Vasile Alecsandri' University of Bacau, 157 Calea Marasesti Street, 600115 Bacau, Romania.; Mirila D; Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, 'Vasile Alecsandri' University of Bacau, 157 Calea Marasesti Street, 600115 Bacau, Romania.; Nistor ID; Department of Chemical and Food Engineering, Faculty of Engineering, 'Vasile Alecsandri' University of Bacau, 157 Calea Marasesti Street, 600115 Bacau, Romania. |
| Source: | Materials (Basel, Switzerland) [Materials (Basel)] 2025 Sep 19; Vol. 18 (18). Date of Electronic Publication: 2025 Sep 19. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: MDPI Country of Publication: Switzerland NLM ID: 101555929 Publication Model: Electronic Cited Medium: Print ISSN: 1996-1944 (Print) Linking ISSN: 19961944 NLM ISO Abbreviation: Materials (Basel) Subsets: PubMed not MEDLINE |
| Imprint Name(s): | Publication: May 2010- : Basel, Switzerland : MDPI; Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2008-2010. |
| Abstract: | The increasing presence of synthetic dyes in aquatic environments presents a serious threat to ecosystems and human health. This study investigates the potential of natural biomaterials, specifically fish-derived components extracted from Cyprinus carpio (fish bladder and fish scales), for the simultaneous retention and degradation of a potentially toxic dye: Malachite Green (MG). The biomaterials were characterized using X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) spectroscopy, thermogravimetric analysis (TGA), and high-performance liquid chromatography with mass spectrometry detection (HPLC-MS) for degradation monitoring. Batch adsorption experiments were conducted under varying biomaterial dosage, contact time and pH. Results demonstrated that all tested biomaterials exhibited significant adsorption capacities, with fish scales (FS) achieving a maximum removal efficiency of 91.2%, and fish bladder (FB) reaching 82% under optimal conditions. In catalytic ozonation tests, the fish scales impregnated with vanadium (FS-V) catalyst demonstrated significantly higher degradation efficiency, reaching 63.84% at an ozone flow rate of 0.5 g O3·h-1. The comparative analysis highlights the multifunctionality of these eco-friendly biomaterials, offering both pollutant capture and partial degradation. These findings suggest that low-cost, naturally derived biomaterials can serve as effective alternatives to synthetic adsorbents in water treatment applications, contributing to sustainable environmental remediation strategies. |
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| Contributed Indexing: | Keywords: adsorption; biomaterials; catalytic ozonation; fish; malachite green |
| Entry Date(s): | Date Created: 20250927 Date Completed: 20250927 Latest Revision: 20250930 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC12471944 |
| DOI: | 10.3390/ma18184374 |
| PMID: | 41010216 |
| Database: | MEDLINE |
Journal Article