The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions
The possibility of using chitin from the molts of an insect–ealworm (<i>Tenebrio molitor</i>) to remove anionic (RB5, RY84) and cationic dyes (BV10, BR46) from aqueous solutions was investigated. The scope of the research included, among others: Characteristics of chitin from mealworms (...
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| author | Tomasz Jóźwiak Urszula Filipkowska Tadeusz Bakuła Beata Bralewska-Piotrowicz Konrad Karczmarczyk Magdalena Gierszewska Ewa Olewnik-Kruszkowska Natalia Szyryńska Bogdan Lewczuk |
| author_facet | Tomasz Jóźwiak Urszula Filipkowska Tadeusz Bakuła Beata Bralewska-Piotrowicz Konrad Karczmarczyk Magdalena Gierszewska Ewa Olewnik-Kruszkowska Natalia Szyryńska Bogdan Lewczuk |
| author_sort | Tomasz Jóźwiak |
| collection | DOAJ |
| description | The possibility of using chitin from the molts of an insect–ealworm (<i>Tenebrio molitor</i>) to remove anionic (RB5, RY84) and cationic dyes (BV10, BR46) from aqueous solutions was investigated. The scope of the research included, among others: Characteristics of chitin from mealworms (FTIR, SEM, pH<sub>PZC</sub>), the effect of pH on sorption efficiency, sorption kinetics (pseudo-first, pseudo-second order, intramolecular diffusion models) and the determination of the maximum sorption capacity (Langmuir and Freundlich models). The sorption efficiency of anionic dyes on chitin from mealworm was the highest at pH 2–3, and for cationic dyes at pH 6. The equilibrium time of sorption of anionic dyes was 240–300 min and for cationic dyes it was 180–240 min. The experimental data on dye sorption kinetics was best described by the pseudo-second order model. The maximum sorption capacity of chitin from the mealworm for the anionic dyes RB5 and RY84 was 121.15 mg/g and 138.55 mg/g, respectively, and was higher than with some carbon-based materials (literature data). In the case of cationic dyes, the sorption capacity of the tested chitin was lower and reached 3.22 mg/g and 59.56 mg/g for BV10 and BR46, respectively. |
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| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T11:51:38Z |
| publishDate | 2023-01-01 |
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| series | Materials |
| spelling | doaj.art-8a2a2ef66dda458084b4233123c21a832023-11-30T23:14:45ZengMDPI AGMaterials1996-19442023-01-0116254510.3390/ma16020545The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous SolutionsTomasz Jóźwiak0Urszula Filipkowska1Tadeusz Bakuła2Beata Bralewska-Piotrowicz3Konrad Karczmarczyk4Magdalena Gierszewska5Ewa Olewnik-Kruszkowska6Natalia Szyryńska7Bogdan Lewczuk8Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, PolandDepartment of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, PolandDepartment of Veterinary Prevention and Feed Hygiene, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13 St., 10-718 Olsztyn, PolandDepartment of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, PolandDepartment of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, PolandDepartment of Physical Chemistry and Physicochemistry of Polymers, Nicolaus Copernicus University in Toruń, 7 Gagarina St., 87-100 Toruń, PolandDepartment of Physical Chemistry and Physicochemistry of Polymers, Nicolaus Copernicus University in Toruń, 7 Gagarina St., 87-100 Toruń, PolandDepartment of Histology and Embryology, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13 St., 10-719 Olsztyn, PolandDepartment of Histology and Embryology, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13 St., 10-719 Olsztyn, PolandThe possibility of using chitin from the molts of an insect–ealworm (<i>Tenebrio molitor</i>) to remove anionic (RB5, RY84) and cationic dyes (BV10, BR46) from aqueous solutions was investigated. The scope of the research included, among others: Characteristics of chitin from mealworms (FTIR, SEM, pH<sub>PZC</sub>), the effect of pH on sorption efficiency, sorption kinetics (pseudo-first, pseudo-second order, intramolecular diffusion models) and the determination of the maximum sorption capacity (Langmuir and Freundlich models). The sorption efficiency of anionic dyes on chitin from mealworm was the highest at pH 2–3, and for cationic dyes at pH 6. The equilibrium time of sorption of anionic dyes was 240–300 min and for cationic dyes it was 180–240 min. The experimental data on dye sorption kinetics was best described by the pseudo-second order model. The maximum sorption capacity of chitin from the mealworm for the anionic dyes RB5 and RY84 was 121.15 mg/g and 138.55 mg/g, respectively, and was higher than with some carbon-based materials (literature data). In the case of cationic dyes, the sorption capacity of the tested chitin was lower and reached 3.22 mg/g and 59.56 mg/g for BV10 and BR46, respectively.https://www.mdpi.com/1996-1944/16/2/545mealwormchitinsorptiondyes |
| spellingShingle | Tomasz Jóźwiak Urszula Filipkowska Tadeusz Bakuła Beata Bralewska-Piotrowicz Konrad Karczmarczyk Magdalena Gierszewska Ewa Olewnik-Kruszkowska Natalia Szyryńska Bogdan Lewczuk The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions Materials mealworm chitin sorption dyes |
| title | The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions |
| title_full | The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions |
| title_fullStr | The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions |
| title_full_unstemmed | The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions |
| title_short | The Use of Chitin from the Molts of Mealworm (<i>Tenebrio molitor</i>) for the Removal of Anionic and Cationic Dyes from Aqueous Solutions |
| title_sort | use of chitin from the molts of mealworm i tenebrio molitor i for the removal of anionic and cationic dyes from aqueous solutions |
| topic | mealworm chitin sorption dyes |
| url | https://www.mdpi.com/1996-1944/16/2/545 |
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