Skip to the main content

Original scientific paper

https://doi.org/10.15255/KUI.2022.001

Adsorption of Rhodamine 6G Dye onto Al-MCM-41 and MCM-41 Mesoporous Materials

Houda Douba ; Laboratory Physical Chemistry of Materials Interfaces Applied to the Environment, University of Saad Dahlab Blida1, 09 000 Blida, Algeria
Ourida Mohammedi ; Laboratory Physical Chemistry of Materials Interfaces Applied to the Environment, University of Saad Dahlab Blida1, 09 000 Blida, Algeria
Benamar Cheknane ; Laboratory Physical Chemistry of Materials Interfaces Applied to the Environment, University of Saad Dahlab Blida1, 09 000 Blida, Algeria


Full text: english pdf 2.407 Kb

page 569-582

downloads: 307

cite


Abstract

The present study aimed to evaluate the potential of mesoporous silica MCM-41 and Al-MCM-41 (molar ratio Si/Al = 20) for the removal of Rhodamine 6G (Rh6G) from aqueous solution. The adsorbents were characterised by XRD, FTIR, SEM-EDX, BET, and UV-Raman. Obtained results related to XRD analysis indicated that the MCM-41 structure remained intact after the incorporation of Al species. Kinetic adsorption study showed that the higher removal (88.75 %, 26.62 mg g–1) of Rh6G dye was achieved by Al-MCM-41 at 60 min. FTIR analysis showed that hydrogen bonding played the dominant role in the Rh6G removal mechanism, while the pH results showed that electrostatic interaction was also a key factor. This study shows that the prepared mesoporous materials are inexpensive and efficient adsorbents for the removal of cationic dyes.

Keywords

adsorption; cationic dye; isotherms; mesoporous silica; Rhodamine 6G

Hrčak ID:

283616

URI

https://hrcak.srce.hr/283616

Publication date:

21.9.2022.

Article data in other languages: croatian

Visits: 998 *