Abstract

Nano TiO₂ photocatalyst has been prepared by the two-step microwave-assisted process at low temperature. The characterization results reveal that the product is titanium dioxide with a pure anatase crystal structure, and has a large specific surface area. In addition, a small size circulated photocatalytic reactor has been designed and developed. This paper investigates the activity of the above-mentioned photocatalyst by the orthogonal experiment on the degradation of simulated wastewater containing complex black, and studies the operation process of the self-made reactor.

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