Removal of methylene blue from aqueous solution using nanoporous SBA-3

The adsorption behavior of methylene blue from aqueous systems onto mesoporous SBA-3 has been studied. Batch experiments were carried out to measure the adsorption as a function of contact time, initial concentration (50–150 mg L − 1 ), pH (4–12), and temperature (303, 313 and 323 K). The equilibriu...

Full description

Saved in:
Bibliographic Details
Published in:Desalination 2010-10, Vol.261 (1), p.61-66
Main Authors: Anbia, Mansoor, Hariri, Saba Asl
Format: Article
Language:English
Subjects:
Adsorption
Applied sciences
Chemical engineering
Contact
Dye
Endothermic reactions
Exact sciences and technology
Isotherms
Langmuir
Mesoporous silica
Methylene blue
Nanocomposites
Nanomaterials
Nanostructure
Pollution
SBA-3
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The adsorption behavior of methylene blue from aqueous systems onto mesoporous SBA-3 has been studied. Batch experiments were carried out to measure the adsorption as a function of contact time, initial concentration (50–150 mg L − 1 ), pH (4–12), and temperature (303, 313 and 323 K). The equilibrium of the process was achieved within 1 h. The sorption of methylene blue on the mesoporous silica SBA-3 slightly increases with increasing pH, and temperature, indicating an endothermic process. Adsorption isotherms were fitted with the Langmuir, Freundlich and Temkin models. The kinetic data were analyzed using pseudo-first-order and pseudo-second-order models. The adsorption kinetics of methylene blue on mesoporous SBA-3 matched well with pseudo-second order kinetic model.
ISSN:0011-9164
1873-4464
DOI:10.1016/j.desal.2010.05.030