Now showing items 17-36 of 40

  • From ideal reactor concepts to reality: the novel drum reactor for photocatalytic wastewater treatment. 

    Adams, Morgan; Campbell, Ian; McCullagh, Cathy; Russell, Donnacha; Bahnemann, Detlef W.; Robertson, Peter K. J. (De Gruyter http://dx.doi.org/10.1515/ijcre-2012-0012, 2013-08)
    ADAMS, M., CAMPBELL, I., MCCULLAGH, C., RUSSELL, D., BAHNEMANN, D. W. and ROBERTSON, P. K. J., 2013. From ideal reactor concepts to reality: the novel drum reactor for photocatalytic wastewater treatment. International Journal of Chemical Reactor Engineering, 11 (2), pp. 621–632.
    This article reports the development of a novel drum photocatalytic reactor for treating dye effluent streams. The parameters for operation including drum rotation speed, light source distance, catalyst loading 10 and ...
  • Hydrodynamic and economic modelling of tidal current energy conversion systems. 

    Melville, Guy T. (Robert Gordon University School of Engineering, 2008-11)
    This thesis examines the contribution of computational modelling to the development of the tidal current energy industry, against the background of increasing commercial, government, academic and public interest. It does ...
  • An investigation of the relationship between anterior knee pain and lower limb biomechanics. 

    Duncan, Gillian (Robert Gordon University School of Health Sciences., 2011-01)
    The thesis presents an investigation of the relationship between anterior knee pain and lower limb biomechanics in symptomatic and asymptomatic individuals during walking. Although foot orthotic devices are often prescribed ...
  • Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. 

    Tokode, Oluwatosin; Prabhu, Radhakrishna; Lawton, Linda A.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apcatb.2014.03.046, 2014-03-30)
    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: http://dx.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 ...
  • Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR. 

    Liu, Iain; Lawton, Linda A.; Cornish, Benjamin J. P. A.; Robertson, Peter K. J. (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/504091/description#description, 2002-05-31)
    LIU, I., LAWTON, L., CORNISH, B. and ROBERTSON, P., 2002. Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR. Journal of Photochemistry and Photobiology A. Chemistry. Volume 148 (1-3), pp. 349-354
    Cyanobacterial toxins present in drinking water sources pose a considerable threat to human health. Conventional water treatment systems have proven unreliable for the removal of these toxins and hence new techniques have ...
  • A new generation of biocides for control of crustacea in fish farms. 

    Robertson, Peter K. J.; Black, Kenneth D.; Adams, Morgan; Willis, Kate; Buchan, Fraser; Orr, Heather; Lawton, Linda A.; McCullagh, Cathy (Elsevier http://dx.doi.org/10.1016/j.jphotobiol.2008.12.009, 2009-04)
    ROBERTSON, P. K. J., BLACK, K. D., ADAMS, M., WILLIS, K., BUCHAN, F., ORR, H., LAWTON, L. and McCULLAGH, C., 2009. A new generation of biocides for control of crustacea in fish farms. Journal of Photochemistry and Photobiology B: Biology, 95 (1), pp. 58-63.
    Farming of salmon has become a significant industry in many countries over the past two decades. A major challenge facing this sector is infestation of the salmon by sea lice. The main way of treating salmon for such ...
  • A novel method of producing microbubbles for targeted drug delivery. 

    Fiabane, Joe (Robert Gordon University Faculty of Design and Technology. School of Engineering., 2016-01)
    FIABANE, J. 2016. A novel method of producing microbubbles for targeted drug delivery. Robert Gordon University, PhD thesis.
    Microbubbles, currently employed in diagnostic ultrasound as a contrast agent, have a potential new application as vehicles for targeted drug delivery, which could revolutionise medicine by eliminating side-effects. A new ...
  • Novel photocatalytic reactor development for removal of hydrocarbons from water. 

    Adams, Morgan; Campbell, Ian; Robertson, Peter K. J. (Hindawi http://dx.doi.org/10.1155/2008/674537, 2008)
    ADAMS, M., CAMPBELL, I. and ROBERTSON, P. K. J., 2008. Novel photocatalytic reactor development for removal of hydrocarbons from water. International Journal of Photoenergy, Volume 2008, Article ID 674537.
    Hydrocarbons contamination of the marine environment generated by the offshore oil and gas industry is generated from a number of sources including oil contaminated drill cuttings and produced waters. The removal of ...
  • On-line monitoring of laser modification of titanium dioxide using optical surface second harmonic. 

    Vrillet, Guerric; Lee, Soo-Keun; McStay, Daniel; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apsusc.2003.07.003, 2004-01)
    VRILLET, G., LEE, S. K., McSTAY, D. and ROBERTSON, P. K. J., 2004. On-line monitoring of laser modification of titanium dioxide using optical surface second harmonic. Applied Surface Science, 222 (1-4), pp. 33-42.
    TiO2 photocatalysis is a promising technology for the destruction of organic pollutants in both waste and potable waters with the mineralisation of a wide range of compounds having been reported. TiO2 has many advantages ...
  • The photocatalytic decomposition of microsystin-LR using selected titanium dioxide materials. 

    Liu, Iain; Lawton, Linda A.; Bahnemann, Detlef W.; Liu, Lei; Proft, Bernd; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.chemosphere.2009.02.067, 2009-07)
    LIU, I., LAWTON, L. A., BAHNEMANN, D. W., LIU, L., PROFT, B. and ROBERTSON, P. K. J., 2009. The photocatalytic decomposition of microsystin-LR using selected titanium dioxide materials. Chemosphere, 76 (4), pp. 549-553.
    Microcystins (cyclic heptapeptides) produced by a number of freshwater cyanobacteria are a potential cause for concern in potable water supplies due to their acute and chronic toxicity. TiO2 photocatalysis is a promising ...
  • Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. 

    Pestana, Carlos J.; Edwards, Christine; Prabhu, Radhakrishna; Robertson, Peter K. J.; Lawton, Linda A. (Elsevier http://dx.doi.org/10.1016/j.jhazmat.2015.07.016, 2015-12-30)
    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, Vol. 300, pp. 347-353.
    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 ...
  • Photocatalytic destruction of geosmin using novel pelleted titanium dioxide. 

    Bellu, Edmund; Lawton, Linda A.; Robertson, Peter K. J. (Science & Technology Network, Inc., 2008)
    BELLU, E., LAWTON, L. A., ROBERTSON, P.K.J., 2008. Photocatalytic destruction of geosmin using novel pelleted titanium dioxide. Journal of advanced oxidation technologies, 11 (2), pp. 384-388.
    Geosmin is produced by cyanobacteria and actinomycetes in surface waters. It causes undesirable earthy off-flavours in freshwater fish and is a major concern for the drinking water industry. This paper presents the first ...
  • The photocatalytic destruction of the cyanotoxin, nodularin using Ti02. 

    Liu, Iain; Lawton, Linda A.; Bahnemann, Detlef W.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apcatb.2005.03.006, 2005-10)
    LIU, I., LAWTON, L. A., BAHNEMANN, D. W. and ROBERTSON, P. K. J., 2005. The photocatalytic destruction of the cyanotoxin, nodularin using Ti02. Applied Catalysis B: Environmental, 60 (3-4), pp. 245-252.
    Titanium dioxide (TiO2) photocatalysis has been used to initiate the destruction of nodularin, a natural hepatotoxin produced by cyanobacteria. The destruction process was monitored using liquid chromatography–mass ...
  • Photocatalytic destruction of volatile organic compounds from the oil and gas industry. 

    Tokode, Oluwatosin (Robert Gordon University School of Engineering, 2014-04)
    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 ...
  • Photocatalytic reactors for environmental remediation: a review. 

    McCullagh, Cathy; Skillen, Nathan; Adams, Morgan; Robertson, Peter K. J. (Wiley. http://dx.doi.org/10.1002/jctb.2650, 2011-08)
    MCCULLAGH, C., SKILLEN, N., ADAMS, M. and ROBERTSON, P. K. J., 2011. Photocatalytic reactors for environmental remediation: a review. Journal of Chemical Technology and Biotechnology, 86 (8), pp. 1002-1017.
    Research in the field of photocatalytic reactors in the past three decades has been an area of extensive and diverse activity with an extensive range of suspended and fixed film photocatalyst configurations being reported. ...
  • Photodynamic biocidal action of methylene blue and hydrogen peroxide on the cyanobacterium Synechococcus leopoliensis under visible light irradiation 

    McCullagh, Cathy; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.jphotobiol.2005.11.013, 2006-04-03)
    MCCULLAGH, C. and ROBERTSON, P., 2006. Photodynamic biocidal action of methylene blue and hydrogen peroxide on the cyanobacterium Synechococcus leopoliensis under visible light irradiation. Journal of Photochemistry and Photobiology. B. Biology, 83 (1), pp. 63-68
    Biofilm growth on stone surfaces is a significant contributing factor to stone biodeterioration. Current market based biocides are hazardous to the environment and to public health. We have investigated the photo-dynamic ...
  • Physico-chemical treatment methods for the removal of microcystins (cyanobacterial hepatotoxins) from potable waters 

    Lawton, Linda A.; Robertson, Peter K. J. (Royal Society of Chemistry http://www.rsc.org/Publishing/Journals/CS/article.asp?doi=a805416i, 1999)
    LAWTON, L. and ROBERTSON, P., 1999. Physico-chemical treatment methods for the removal of microcystins (cyanobacterial hepatotoxins) from potable waters. Chemical Society Reviews 28 (4), p.217-224
    The incidence of cyanobacterial blooms in freshwaters, including drinking water reservoirs, has increased over the past few decades due to rising nutrient levels. Microcystins are hepatotoxins released from cyanobacteria ...
  • Processes influencing surface interaction and photocatalytic destruction of microcystins on titanium dioxide photocatalysts. 

    Lawton, Linda A.; Robertson, Peter K. J.; Cornish, Benjamin J. P. A.; Marr, Iain L.; Jaspars, Marcel (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/622858/description#description, 2003-01-01)
    LAWTON, L., ROBERTSON, P., CORNISH, B., MARR, I. and JASPARS, M., 2003. Processes influencing surface interaction and photocatalytic destruction of microcystins on titanium dioxide photocatalysts. Journal of Catalysis. Volume 213 (1) pp. 109-113
    Microcystins are a family of hepatotoxic peptides produced by freshwater cyanobacteria. Their occurrence in drinking water is of concern since chronic exposure to these toxins causes tumor promotion. It is therefore essential ...
  • Processes influencing the destruction of Microcystin-LR by TiO2 photocatalysis. 

    Robertson, Peter K. J.; Lawton, Linda A.; Cornish, Benjamin J. P. A.; Jaspars, Marcel (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/504091/description#description, 1998-07-30)
    ROBERTSON, P., LAWTON, L., CORNISH, B. and JASPARS, M., 1998. Processes influencing the destruction of Microcystin-LR by TiO2 photocatalysis. Journal of Photochemistry and Photobiology A: Chemistry Volume 116 (3)PP. 215-219
    We have previously reported the effectiveness of TiO2 photocatalysis in the destruction of the cyanotoxin microcystin-LR [P.K.J. Robertson, L.A. Lawton, B. Münch, J. Rouzade, J. Chem. Soc., Chem. Commun., 4 (1997) 393; ...
  • Raman spectroscopy of laser irradiated titanium dioxide. 

    Lee, Soo-Keun; Rice, James H.; Al-Obaidi, Ala H. R.; Robertson, Peter K. J.; McStay, Daniel (Taylor & Francis, 1999)
    LEE, S.-K., RICE, J. H., AL-OBAIDI, A. H. R., ROBERTSON, P. K. J. and MCSTAY, D., 1999. Raman spectroscopy of laser irradiated titanium dioxide. In : N. M. WHITE and A. T. AUGOUSTI, eds. Sensors and their Applications X: Proceedings of the 10th Conference on Sensors and their Applications, held in Cardiff, Wales, 5-8 September 1999. New York: Taylor and Francis. Pp. 293-298.
    Raman spectroscopy is applied to investigate the effect of exposure to high power laser radiation on the crystalline phases of TiO2. Measurement of the changes in the Raman spectra of TiO2 with exposure to laser radiation ...