Elimination of malachite green by modified Fenton like process. Application of Box Behnken design

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dc.contributor.authorBENDEBANE Salima
dc.date.accessioned2025-04-16T09:34:27Z
dc.date.available2025-04-16T09:34:27Z
dc.date.issued2024-10-16
dc.descriptionGlobal NEST Journal, Vol 26, No 10, 06822 Copyright© 2024 Global NEST https://doi.org/10.30955/gnj.06822
dc.description.abstractThe aim of this work was to investigate an advanced oxidation process for removing malachite green from aqueous solutions using a modified Fenton-like process. An experimental Box-Behnken design was applied to determine the optimal conditions by examining the effects of catalyst concentration ([Fe2+]), oxidant concentration ([K2S2O8]), and stirring speed. The analysis of variance (ANOVA) indicated that oxidant concentration was the most significant factor, with a p-value of 0.001, while catalyst concentration, the quadratic term of the oxidant, and the interaction between catalyst concentration and stirring speed were also significant. The optimal conditions for maximum dye removal were found to be a catalyst concentration of 3.5 ppm, an oxidant concentration of 3.07 ppm, and a stirring speed of 200 rpm, achieving a theoretical degradation yield of 100% and an experimental yield of 98%. This agreement validates the model and the importance of the optimized parameters. Additionally, degradation kinetics studies in various natural waters revealed that oxidation efficiency followed this order: Distilled water (98%) > Seawater ≈ Industrial water (88.97%) > Source water (85.57%) > Mineral water (80.52%).
dc.identifier.urihttp://dspace.ensti-annaba.dz:4000/handle/123456789/721
dc.language.isoen
dc.publisherGlobal NEST Journal
dc.titleElimination of malachite green by modified Fenton like process. Application of Box Behnken design
dc.typeArticle
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