Optimized decolorization of aniline blue dye using potassium ferrate (VI)
Aniline blue dye is extensively utilized in the coloration of textiles, paper, and plastics industries. This study explores the decolorization of aniline blue dye using potassium ferrate (VI), focusing on the effects of pH, molar ratio, and temperature. The experiments were conducted within a pH ran...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-01-01
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| Series: | Desalination and Water Treatment |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1944398625000220 |
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| Summary: | Aniline blue dye is extensively utilized in the coloration of textiles, paper, and plastics industries. This study explores the decolorization of aniline blue dye using potassium ferrate (VI), focusing on the effects of pH, molar ratio, and temperature. The experiments were conducted within a pH range of 5–10, molar ratios of 0.3–2.2, and temperatures between 15 and 65 °C. The optimal conditions were identified as a pH of 7.0, a molar ratio of 2.2, and a temperature of 45 °C with a reaction time of 12 minutes. Decolorization efficiency ranged from 62.38 % to 96.25 %, while mineralization efficiency varied between 3.35 % and 19 %. The oxidative degradation initiated by ●OH from Fe (VI) broke down the aniline blue structure into intermediate compounds such as benzene sulfonic acid, aminobenzene sulfonic acid, methylbenzene, hydroxyphenyl sulfonic acid, benzoic acid, benzene, and cyclohexadiene. Final oxidation products included acetic acid, carbon dioxide, and water. Toxicity assessments using Toxicity Estimation Software Tools (TEST) revealed that both intermediate and final degradation products were non-toxic. This study underscores the potential of potassium Fe (VI) as an effective and environmentally friendly oxidant for degrading aniline blue dye, with significant implications for wastewater treatment. |
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| ISSN: | 1944-3986 |