Organophilic clays for efficient removal of eosin Y dye properties
organophilic local clay materials from Boyolali- Central of Java were prepared via exchange reaction with hexadecyltrimethylammonium bromide (C16TMABr) solution. These materials were used as potential agent for the removal of an acidic eosin Y dye from artificially polluted solution. Different techn...
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Elsevier
2023-09-01
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Series: | Journal of Saudi Chemical Society |
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author | Shaheed A. Papoola Hmoud Al Dmour Boulanouar Messaoudi Is Fatimah Souad Rakass Yan Liu Fethi Kooli |
author_facet | Shaheed A. Papoola Hmoud Al Dmour Boulanouar Messaoudi Is Fatimah Souad Rakass Yan Liu Fethi Kooli |
author_sort | Shaheed A. Papoola |
collection | DOAJ |
description | organophilic local clay materials from Boyolali- Central of Java were prepared via exchange reaction with hexadecyltrimethylammonium bromide (C16TMABr) solution. These materials were used as potential agent for the removal of an acidic eosin Y dye from artificially polluted solution. Different techniques were used to characterise these materials. The uptake amount of surfactants depended on the initial surfactant loadings, different increase of interlayer spacing of clay layers were obtained due to different orientations of the intercalated surfactants. TGA and DSC data indicated that the intercalated surfactants behave differently than the pure surfactant salt, and it was supported by FTIR studies The eosin removal was operated under various conditions such as dye initial concentrations, different amounts of surfactants, solid dose, temperature, and pH. The pH of removal could be attained by modifying the eosin Y solution or the treatment of the organophilic solid by different acid or basic solutions prior adding to natural eosin Y solution. Good removal efficiencies were obtained at acidic pH below 4.The studied materials exhibited a maximum removal capacity of 78.05 mmol/kg, depending of up take amount of C16TMA cations. The removal trials were found to be endothermic and spontaneous. The reactivity of the different dye forms at different pHs values towards the organophilic clay was compared based on the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy values. The regeneration process of spent organophylic clays by a friendly method to the environment was reported and tested over seven successive cycles. Single stage adsorber design was proposed using Langmuir and balance equations, for various volumes of dye solutions at fixed initial concentration and different reduction percentages. |
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language | English |
last_indexed | 2024-03-11T22:26:32Z |
publishDate | 2023-09-01 |
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spelling | doaj.art-196ec9fadb684c2ea103c2677ad2a1502023-09-24T05:14:29ZengElsevierJournal of Saudi Chemical Society1319-61032023-09-01275101723Organophilic clays for efficient removal of eosin Y dye propertiesShaheed A. Papoola0Hmoud Al Dmour1Boulanouar Messaoudi2Is Fatimah3Souad Rakass4Yan Liu5Fethi Kooli6Chemistry Department, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi Arabia; Correspondence authors.Department of Physics, Faculty of Science, Mu’tah University, Mu’tah, 6170, JordanHigher School of Applied Sciences of Tlemcen, BP 165, Bel Horizon, 13000 Tlemcen, Algeria; Laboratory of Toxicomed, University Abou Beker Belkaid Tlemcen, BP119, 13000 Tlemcen, AlgeriaDepartment of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Jl. Kaliurang Km 14, Sleman, Yogyakarta 55584, IndonesiaLaboratory of Applied Organic Chemistry (LCOA), Chemistry Department, Faculty of Sciences and Techniques, Sidi Mohamed Ben Abdellah University, Imouzzer Road, P.O. Box 2202, Fez 30000, MoroccoInstitute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore 627833, SingaporeChemistry Department, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi Arabia; Correspondence authors.organophilic local clay materials from Boyolali- Central of Java were prepared via exchange reaction with hexadecyltrimethylammonium bromide (C16TMABr) solution. These materials were used as potential agent for the removal of an acidic eosin Y dye from artificially polluted solution. Different techniques were used to characterise these materials. The uptake amount of surfactants depended on the initial surfactant loadings, different increase of interlayer spacing of clay layers were obtained due to different orientations of the intercalated surfactants. TGA and DSC data indicated that the intercalated surfactants behave differently than the pure surfactant salt, and it was supported by FTIR studies The eosin removal was operated under various conditions such as dye initial concentrations, different amounts of surfactants, solid dose, temperature, and pH. The pH of removal could be attained by modifying the eosin Y solution or the treatment of the organophilic solid by different acid or basic solutions prior adding to natural eosin Y solution. Good removal efficiencies were obtained at acidic pH below 4.The studied materials exhibited a maximum removal capacity of 78.05 mmol/kg, depending of up take amount of C16TMA cations. The removal trials were found to be endothermic and spontaneous. The reactivity of the different dye forms at different pHs values towards the organophilic clay was compared based on the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy values. The regeneration process of spent organophylic clays by a friendly method to the environment was reported and tested over seven successive cycles. Single stage adsorber design was proposed using Langmuir and balance equations, for various volumes of dye solutions at fixed initial concentration and different reduction percentages.http://www.sciencedirect.com/science/article/pii/S1319610323001278Organophilic claysOrganoclaysCetyltrimethylammonium bromideExchange reactionEosinHOMO and LUMO of eosin |
spellingShingle | Shaheed A. Papoola Hmoud Al Dmour Boulanouar Messaoudi Is Fatimah Souad Rakass Yan Liu Fethi Kooli Organophilic clays for efficient removal of eosin Y dye properties Journal of Saudi Chemical Society Organophilic clays Organoclays Cetyltrimethylammonium bromide Exchange reaction Eosin HOMO and LUMO of eosin |
title | Organophilic clays for efficient removal of eosin Y dye properties |
title_full | Organophilic clays for efficient removal of eosin Y dye properties |
title_fullStr | Organophilic clays for efficient removal of eosin Y dye properties |
title_full_unstemmed | Organophilic clays for efficient removal of eosin Y dye properties |
title_short | Organophilic clays for efficient removal of eosin Y dye properties |
title_sort | organophilic clays for efficient removal of eosin y dye properties |
topic | Organophilic clays Organoclays Cetyltrimethylammonium bromide Exchange reaction Eosin HOMO and LUMO of eosin |
url | http://www.sciencedirect.com/science/article/pii/S1319610323001278 |
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