For Cr(VI) removal by adsorption and photocatalysis process, the
solution was prepared by dissolving potassium dichromate
(K2Cr2O7) in distilled water. In the adsorption process, five pieces of
TCF were placed in the chromium solution. The Cr(VI) solutions
were equilibrated in the dark. The samples were taken during the
time interval for Cr(VI) analysis to obtain the effect of pH and
adsorption isotherm. The adsorption capacity of each adsorption
experiment was calculated as the amount adsorbed Cr(VI) on the
surface of TCF per gram of TCF used.
the effect of pH and adsorption isotherm.