Science & Technology Desk
The photocatalysts, produced from niobium, remove carcinogenic pigments from wastewater.
A series of mesoporous Nb2O5 photocatalysts was synthesized via an evaporation-induced self-assembly (EISA) method.
For comparison, niobia samples were also prepared by a simple hydrolysis method and condensation of niobium chloride assigned as bulk sample.
The photocatalytic decolorization of malachite green (MG) over the photocatalysts under UV and visible light sources was investigated.
The researchers found the photocatalytic activity of mNb2O5-380 was higher than that of the commercial Nb2O5 and TiO2 P25 photocatalysts and synthesized bulk sample for MG decolorization under visible light irradiation.
TiO2 P25 showed higher photocatalytic activity under harmful UV irradiation.
Malachite green is an organic compound used as a dye. It has emerged as a controversial agent in aquaculture.
Traditionally used as a dye for materials such as silk, leather and paper, malachite green shows carcinogenic traits.
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