What question did this study set out to answer?

To develop an effective photocatalyst for degrading pharmaceutical pollutants like paracetamol under visible light irradiation.

Engineering Bi3O4Br/TiO2 nanobelt/glucose hydrochar heterostructures for enhanced visible-light degradation of pharmaceutical pollutants

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To develop an effective photocatalyst for degrading pharmaceutical pollutants like paracetamol under visible light irradiation.
Synthesis of a ternary Z-scheme photocatalyst using a two-step hydrothermal method.
Comparative efficiency testing against pristine TiO2 nanobelts and Bi3O4Br/TiO2 heterostructures.
Photocatalytic experiments conducted at natural pH with scavenger tests and electron paramagnetic resonance analyses.
The two-step synthesized photocatalyst achieved approximately 91% paracetamol degradation efficiency under visible light.
The enhanced material demonstrated better charge separation with significant roles of holes and superoxide radicals in degradation.
The photocatalyst remained active over five cycles, indicating long-term potential for wastewater treatment.

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Randomized trial demonstrates enhanced pharmaceutical degradation in wastewater using a Z-scheme photocatalyst, indicating environmental benefits.

Ahmadi et al. (2026) studied this question.

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Randomized trial demonstrates enhanced pharmaceutical degradation in wastewater using a Z-scheme photocatalyst, indicating environmental benefits.