More information: Chidinma Akobueze Ojike et al, Surface‐Functionalized Diatoms as Green Nano‐Adsorbents for the Removal of Methylene Blue and Methyl Orange as Model Dyes from Aqueous Solution ...

Within an hour, up to 100 % of methylene blue was removed by diatomaceous earth, while silica achieved 88 % removal over the same period. For methyl orange, both materials absorbed approximately ...

Methylene blue is a commonly employed dye for several ... allowed a fast and easy separation of synthesized beads after the removal procedure. These beads, with an average diameter of 2.2 mm ...