Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution
This study discusses kapok husk (KH) activated by HNO3 as a biosorbent for methylene blue dye and analyses its adsorption ability. The adsorption capacity of KH is 330.161 mg g-1 with optimum conditions at pH 9, concentration 5500 mg L-1, contact time 15 min, and biosorbent temperature 25ºC. The iso...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Serbian Chemical Society
2024-01-01
|
| Series: | Journal of the Serbian Chemical Society |
| Subjects: | |
| Online Access: | https://doiserbia.nb.rs/img/doi/0352-5139/2024/0352-51392300084Z.pdf |
| _version_ | 1827288392182792192 |
|---|---|
| author | Zein Rahmiana Fathony Hamdhan Ramadhani Putri Deswati Deswati |
| author_facet | Zein Rahmiana Fathony Hamdhan Ramadhani Putri Deswati Deswati |
| author_sort | Zein Rahmiana |
| collection | DOAJ |
| description | This study discusses kapok husk (KH) activated by HNO3 as a biosorbent for methylene blue dye and analyses its adsorption ability. The adsorption capacity of KH is 330.161 mg g-1 with optimum conditions at pH 9, concentration 5500 mg L-1, contact time 15 min, and biosorbent temperature 25ºC. The isotherm study followed the Langmuir isotherm model, as seen from the R2 value of 0.9993 and maximum adsorption capacity of 312.5 mg g-1, which indicated a monolayer in the adsorption process. The kinetic data show that KH followed the pseudo-second-order model. The results of the TGA analysis show that thermal stability affects the performance of biosorbents in the adsorption process. FTIR and SEM-EDS characterisation results showed that electrostatic interactions, cation exchange, and pore filling regulate the methylene blue dye adsorption mechanism on the surface of the KH. The reusability of KH through adsorption–desorption cycle analysis was achieved five times. This indicates that the biosorbent can be economically feasible for real wastewater treatment based on its good reusability and simple preparation and activation. |
| first_indexed | 2024-04-24T11:30:38Z |
| format | Article |
| id | doaj.art-1c998f83fb64486097c4dbadff21077e |
| institution | Directory Open Access Journal |
| issn | 0352-5139 1820-7421 |
| language | English |
| last_indexed | 2024-04-24T11:30:38Z |
| publishDate | 2024-01-01 |
| publisher | Serbian Chemical Society |
| record_format | Article |
| series | Journal of the Serbian Chemical Society |
| spelling | doaj.art-1c998f83fb64486097c4dbadff21077e2024-04-10T10:17:14ZengSerbian Chemical SocietyJournal of the Serbian Chemical Society0352-51391820-74212024-01-0189112314010.2298/JSC230303084Z0352-51392300084ZFacile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solutionZein Rahmiana0https://orcid.org/0000-0002-4281-2993Fathony Hamdhan1https://orcid.org/0000-0002-8187-0280Ramadhani Putri2https://orcid.org/0000-0002-6583-2559Deswati Deswati3https://orcid.org/0000-0003-2959-4861Laboratory of Environmental Analytical Chemistry, Department of Chemistry, Andalas University, Padang, IndonesiaLaboratory of Environmental Analytical Chemistry, Department of Chemistry, Andalas University, Padang, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency of Indonesia, Jakarta, IndonesiaLaboratory of Applied Analytical Chemistry, Department of Chemistry, Andalas University, Padang, IndonesiaThis study discusses kapok husk (KH) activated by HNO3 as a biosorbent for methylene blue dye and analyses its adsorption ability. The adsorption capacity of KH is 330.161 mg g-1 with optimum conditions at pH 9, concentration 5500 mg L-1, contact time 15 min, and biosorbent temperature 25ºC. The isotherm study followed the Langmuir isotherm model, as seen from the R2 value of 0.9993 and maximum adsorption capacity of 312.5 mg g-1, which indicated a monolayer in the adsorption process. The kinetic data show that KH followed the pseudo-second-order model. The results of the TGA analysis show that thermal stability affects the performance of biosorbents in the adsorption process. FTIR and SEM-EDS characterisation results showed that electrostatic interactions, cation exchange, and pore filling regulate the methylene blue dye adsorption mechanism on the surface of the KH. The reusability of KH through adsorption–desorption cycle analysis was achieved five times. This indicates that the biosorbent can be economically feasible for real wastewater treatment based on its good reusability and simple preparation and activation.https://doiserbia.nb.rs/img/doi/0352-5139/2024/0352-51392300084Z.pdfadsorptionisothermkineticskapok huskmethylene blue |
| spellingShingle | Zein Rahmiana Fathony Hamdhan Ramadhani Putri Deswati Deswati Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution Journal of the Serbian Chemical Society adsorption isotherm kinetics kapok husk methylene blue |
| title | Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution |
| title_full | Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution |
| title_fullStr | Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution |
| title_full_unstemmed | Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution |
| title_short | Facile chemically activation process of kapok husk as a low-cost biosorbent for removal methylene blue dye in aqueous solution |
| title_sort | facile chemically activation process of kapok husk as a low cost biosorbent for removal methylene blue dye in aqueous solution |
| topic | adsorption isotherm kinetics kapok husk methylene blue |
| url | https://doiserbia.nb.rs/img/doi/0352-5139/2024/0352-51392300084Z.pdf |
| work_keys_str_mv | AT zeinrahmiana facilechemicallyactivationprocessofkapokhuskasalowcostbiosorbentforremovalmethylenebluedyeinaqueoussolution AT fathonyhamdhan facilechemicallyactivationprocessofkapokhuskasalowcostbiosorbentforremovalmethylenebluedyeinaqueoussolution AT ramadhaniputri facilechemicallyactivationprocessofkapokhuskasalowcostbiosorbentforremovalmethylenebluedyeinaqueoussolution AT deswatideswati facilechemicallyactivationprocessofkapokhuskasalowcostbiosorbentforremovalmethylenebluedyeinaqueoussolution |