Impact of high-pressure columbite phase of titanium dioxide (TiO2) on catalytic photoconversion of plastic waste and simultaneous hydrogen (H2) production

Photocatalytic Degradation of Macro—and Microplastics Using Titanium Dioxide (TiO₂)

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This review assessed titanium dioxide (TiO2) photocatalysis as a method for degrading macro- and microplastics, finding that UV-activated TiO2 can break polymer chains through reactive oxygen species under controlled conditions. Scalable photocatalytic degradation is a compelling remediation strategy because it can destroy microplastics rather than relocate them, potentially reducing the volume of particles available for human ingestion and environmental accumulation.

Impact of high-pressure torsion on hydrogen production from photodegradation of polypropylene plastic wastes

Evaluation of Microplastic Degradation Using Titanium Dioxide Photocatalyst in Water

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Researchers tested UV light and titanium dioxide photocatalysis to break down microplastic fibers in water, achieving a 97% reduction in mass within 48 hours under optimized conditions, suggesting this approach could be a viable treatment technology for wastewater facilities.

Boosting photoelectrochemical efficiency: CQD-modified WO₃/titanium nanorod photoanodes for simultaneous PFAS and microplastic degradation and hydrogen evolution

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This study developed microfluidic platforms for the detection, separation, or analysis of microplastics in liquid samples, leveraging microscale flow dynamics to improve analytical precision. The microfluidic approach offers advantages in sensitivity and sample volume requirements compared to conventional bulk analysis methods.

Hydrogen production from plastic waste processing: A review

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This review pulls together existing research on turning plastic waste into clean-burning hydrogen fuel instead of letting it pile up in landfills or oceans (where it can break down into microplastics that end up in our water, food, and bodies). Scientists are testing several methods, like heating plastic without oxygen (pyrolysis) combined with steam or special catalysts, and some approaches already work at pilot scale, though they're not yet cheap or efficient enough for widespread use. The bigger picture: if perfected, this technology could offer a win-win, reducing plastic pollution while producing low-carbon energy.