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The use of a novel compact fluorosensor for in situ monitoring of the photocatalytic destruction of methylene blue dye effluents
- The use of a novel compact fluorosensor for in situ monitoring of the photocatalytic destruction of methylene blue dye effluents
- Robertson, Peter K. J.; Lee, Soo-Keun; McStay, Daniel; Pollard, Patricia M.
- DGIST Authors
- Lee, Soo-Keun
- Issue Date
- Sensors and Actuators, B: Chemical, 168, 118-122
- Article Type
- Accurate Measurement; Aromatic Compounds; Catalyst Suspension; Catalysts; Cross Contamination; Dye; Dye Pollutants; Dyes; Fluorescent Dyes; Fluorosensors; In-Situ Monitoring; In Situ Fluorosensor; Isotopes; Kinetic Isotope Effect; Kinetic Isotope Effects; Methylene Blue; Methylene Blue Dye; Nuclear Reactors; Photo-Catalytic; Photo-Catalytic Reactors; Photocatalysis; Photocatalyst; Photocatalysts; Reactor Vessel; Real-Time Monitoring; TiO; TiO2; Titanium Dioxide
- The use of TiO 2 photocatalysis for the destruction of dyes such as methylene blue has been extensively reported. One of the challenges faced in both the laboratory and large scale water treatment plants is the fact that the samples have to be removed from the reactor vessel and the catalyst separated prior to analysis being undertaken. In this paper we report the development of a simple fluorimeter instrument and its use in monitoring the photocatalytic destruction of methylene blue dyes in the presence of catalyst suspensions. The results reported show that the instrument provides an effective method for in situ monitoring of the photocatalytic destruction of fluorescent dyes hence allowing more accurate measurement due to the minimisation of sample loss and cross contamination. Furthermore it also provides a method for real time monitoring of the dye pollutant destruction in large scale photocatalytic reactors. © 2012 Elsevier B.V.
- Related Researcher
Nano material, photocatalyst, TiO2, ZnO
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