Adsorption of nitrobenzene and orthochlorophenol on dimethyl ditallowyl montmorillonite: A microstructural and thermodynamic study

作者：Zampori L^*; Stampino P Gallo; Dotelli G

来源：Applied Clay Science, 2009, 42(3-4): 605-610.

DOI：10.1016/j.clay.2008.04.012

• Organoclay
• Adsorption
• Partitioning
• Dual mode model

The adsorption of two different organic aromatic pollutants (nitrobenzene and orthochlorophenol) onto a commercial organoclay (dimethyl ditallowyl ammonium montmorillonite) was investigated. Adsorption was investigated over a wide range of concentrations, corresponding to 0.0016-0.24 mol/L for nitrobenzene and 0.002-0.29 mol/L for orthochlorophenol. The uptake of nitrobenzene and orthochlorophenol by the organobentonite was demonstrated to determined different processes: in the former case a partition process seemed to be favoured, while in the latter a combination of partition and adsorption onto specific sites appeared to be more reasonable.

• 出版日期2009-1