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Photo-Fenton chemistry in acidified
Dr Jason Reynolds of the School of Science and
Health, with students Matthew Scibberas (PhD)
and Tiffany Cole (Hons), has been supported by
the New South Wales Government through its
Environmental Trust to investigate the
production of reactive oxygen species in acid
mine drainage and acid sulfate soil landscapes.
This research aims to provide evidence that
photo-Fenton production of reactive oxygen
species is a key driver for several key chemical
reactions and could be manipulated to reduce
pollution in these landscapes.
‘Degradation of the environment in landscapes
where there is mining is a significant problem in
Australia’, says Dr Reynolds. ‘There may be
impacts from this activity ranging from ecological
impacts to infrastructure damage. Some of these
impacts may be driven by reactive oxygen species.
Initial pilot research has found a hundred-fold
increase of reactive oxygen species in mine site
discharge areas compared to natural background
concentrations. These initial findings were used to
secure funding from the NSW Environmental Trust
to develop the research further.’
This project will undertake detailed research on the
diurnal variations of reactive oxygen species in
natural and modified environments over a continual
several-day period. Quantification and modelling of
reactive oxygen species carried out in this project
will allow for a clearer understanding of the aqueous
chemistry and may be a first step in a new model for
landscape management and remediation.
Project Title: Reactive oxygen species in acidified
waterways: a new paradigm
Funding has been set at: $9,460
Contact Details: [email protected]
August 2012