Oxidation of 4-Chlorophenol by Mesoporous Titania: Effect of Surface Morphological Characteristics

Abstract EN

Mesoporous nanocrystalline anatase was prepared via EISA employing CTAB as structure directing agent.

The drying rate was used as a key synthesis parameter to increase the average pore diameter.

The resultant mesoporous crystalline phases exhibited specific surface areas between 55 and 150 m2 g−1, average unimodal pore sizes of about 3.4 to 5.6 nm, and average crystallite size of around 7 to 13 nm.

These mesophases were used as photocatalysts for the degradation of 4-chlorophenol (4CP) with UV light.

Under the studied conditions, the mesoporous anatase degraded 100% 4CP.

This was twice faster than Degussa P-25.

57% reduction of chemical oxygen demand (COD) value was achieved.