The use of a novel compact fluorosensor for in situ monitoring of the photocatalytic destruction of methylene blue dye effluents

Peter K J Robertson*, Soo Keun Lee, Daniel McStay, Patricia M. Pollard

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Citation (Scopus)
281 Downloads (Pure)

Abstract

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.
Original languageEnglish
Pages (from-to)118-122
Number of pages5
JournalSENSORS AND ACTUATORS B-CHEMICAL
Volume168
Early online date02 Apr 2012
DOIs
Publication statusPublished - 20 Jun 2012

Keywords

  • Dye
  • In situ fluorosensor
  • Kinetic isotope effect
  • Methylene blue
  • Photocatalyst
  • TiO

ASJC Scopus subject areas

  • Instrumentation
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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