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A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. (2017)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. Journal of environmental chemical engineering [online], 5(4), pages 3942-3948. Available from: https://doi.org/10.1016/j.jece.2017.07.068

A novel photocatalytic reactor based on a stirred tank configuration has been described. This reactor employs the use of photocatalytic impellers to aid the mass transport of gaseous organic compounds during photocatalytic reactions. Experiments invo... Read More about A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis..

Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. (2017)
Conference Proceeding
PRABHU, R., HEWITT, F., GEORGIEVA, G., MEENAKSHI, H.N., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8085011, pages 2623-2627. Available from: https://doi.org/10.1109/OCEANSE.2017.8085011

Photocatalytic technology using TiO2 is one of the emerging approaches for water treatment, especially as a final step to remove complex organics such as pesticides, hormones or humic acids. Titanium dioxide (TiO2) is a semiconductor material with st... Read More about Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water..

Controlled periodic illumination in semiconductor photocatalysis. (2015)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2015. Controlled periodic illumination in semiconductor photocatalysis. Journal of photochemistry and photobiology A: chemistry [online], 319-320, pages 96-106. Available from: https://doi.org/10.1016/j.jphotochem.2015.12.002

Controlled periodic illumination is a hypothesis postulated in the early 1990s for enhancing the efficiency of semiconductor photocatalytic reactions. This technique has been proposed to improve photocatalytic efficiency by the nature of photon intro... Read More about Controlled periodic illumination in semiconductor photocatalysis..

Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. (2015)
Journal Article
PESTANA, C.J., EDWARDS, C., PRABHU, R., ROBERTSON, P.K.J. and LAWTON, L.A. 2015. Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. Journal of hazardous materials [online], 300, pages 347-353. Available from: https://doi.org/10.1016/j.jhazmat.2015.07.016

Microcystins and nodularin are toxic cyanobacterial secondary metabolites produced by cyanobacteria that pose a threat to human health in drinking water. Conventional water treatment methods often fail to remove these toxins. Advanced oxidation proce... Read More about Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres..

Photocatalytic destruction of volatile organic compounds from the oil and gas industry. (2014)
Thesis
TOKODE, O. 2014. Photocatalytic destruction of volatile organic compounds from the oil and gas industry. Robert Gordon University, PhD thesis.

Heterogeneous photocatalysis is an advanced oxidation technology widely applied in environmental remediation processes. It is a relatively safe and affordable technology with a low impact on the environment, and has found applications in a number of... Read More about Photocatalytic destruction of volatile organic compounds from the oil and gas industry..

Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. Applied catalysis B: environmental [online], 156-157, pages 398-403. Available from: https://doi.org/10.1016/j.apcatb.2014.03.046

Quantum yields of the photocatalytic degradation of methyl orange under controlled periodic illumination (CPI) have been modelled using existing models. A modified Langmuir-Hinshelwood (L-H) rate equation was used to predict the degradation reaction... Read More about Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination..

The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. Chemical engineering journal [online], 246, pages 337-342. Available from: https://doi.org/10.1016/j.cej.2014.03.002

The nature of photon interaction and reaction pH can have significant impacts on semiconductor photocatalysis. This paper describes the effect of pH on the photonic efficiency of photocatalytic reactions in the aqueous phase using TiO2 catalysts. The... Read More about The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources..

Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water. (2013)
Thesis
CHANDU, V.C.P 2013. Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water. Robert Gordon University, PhD thesis.

The widespread distribution of cyanobacteria and their toxic effects on humans has become a major concern for researchers. Cyanobacteria are a group of oxygenic phototrophic bacteria that exhibit an enormous diversity in shapes and arrangements and o... Read More about Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water..

Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems. (2012)
Thesis
PESTANA, C.J. 2012. Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems. Robert Gordon University, PhD thesis.

Cyanobacterial secondary metabolites can cause serious harm to animals and humans (cyanotoxins) and can have a major financial impact on the potable water and aquaculture industries (taste and odour compounds). Understanding the factors that affect c... Read More about Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems..