Research Article

Preparation of a Modified Nanoalumina Sorbent for the Removal of Alizarin Yellow R and Methylene Blue Dyes from Aqueous Solutions

Table 6

Desorption of dyes from DNPH-γ-alumina.

AdsorptionDesorption (% recovery)
AY (50 mg/L)MB (50 mg/L)

1st cycle17.2983.4
2nd cycle9.3246.5