Synthesis of border="0" alt="single bond" data-inlimg="/entities/sbnd" src="/sd/grey_pxl.gif" class="glyphImg imgLazyJSB">COOH functionalized SBA-16 is achieved.
Functionalized SBA-16 is an effective adsorbent for dye removal.
The electrostatic interaction accounts for high adsorption capacity.
The adsorption isotherms follow the Langmuir model.
The adsorption kinetics are fitted by pseudo-second order equation.