Removal of Anionic and Cationic Dyes from Water by Fe-Al Binary Oxide
- Removal of Anionic and Cationic Dyes from Water by Fe-Al Binary Oxide
- Hye-Jin Hong; Jungmin Kim; 양중석; Eun Jung Kim; Ji-Won Yang
- dye; Fe-Al binary oxide; iron oxide; fenton like oxidation
- Issue Date
- Separation science and technology
- VOL 47, 2218-2224
- Al was incorporated in iron oxide to enhance dye removal
capacity (Fe-Al binary oxide). Oxides with different Fe:Al ratios
(10:0, 9:1, 7:3, 5:5, 3:7, 1:9, and 0:10) were synthesized and applied
for removal of organic dyes. Increase of incorporated Al expanded
effective surface area that could contact with dye. The highest dye
removal efficiency was achieved by 5:5 and 3:7 Fe:Al ratio. The
effects of operation parameters such as solution pH, initial dye,
and H2O2 concentration on removal of Acid blue 25 were investigated.
Fe-Al binary oxide could be repeatedly used for dye removal
without the regeneration process.
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