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Tackling Atmospheric Chemistry Grand Challenges in the Southern Hemisphere. The project aims to provide a southern hemisphere perspective on current challenges in atmospheric chemistry: air quality, oxidation capacity, stratospheric change, and chemistry–climate interactions. Australia’s geographic position in the relatively clean southern hemisphere allows a unique opportunity to study environments with limited human influence, an opportunity that has largely been lost in the more populous nort ....Tackling Atmospheric Chemistry Grand Challenges in the Southern Hemisphere. The project aims to provide a southern hemisphere perspective on current challenges in atmospheric chemistry: air quality, oxidation capacity, stratospheric change, and chemistry–climate interactions. Australia’s geographic position in the relatively clean southern hemisphere allows a unique opportunity to study environments with limited human influence, an opportunity that has largely been lost in the more populous northern hemisphere. The intended outcomes of the project include validated ground-based and satellite datasets for monitoring Australia’s air quality, improved atmospheric models for predicting future atmospheric change, and a deeper understanding of the processes driving atmospheric composition worldwide.Read moreRead less
A Fundamental study into the role of the organic fraction on the toxicity of combustion generated airborne particles. Using a new set of analytical tools this project will for the first time allow a quantified measure of the toxicity of organic compounds condensed on the surface of airborne particles. Understanding the toxicity of particle pollution is essential in controlling the exposure risk to public health.
Immobilized biocatalysts on selected filter media to control odour emissions from wastewater treatment and composting facilities. Odour is one of the common problems faced by wastewater and solid waste industries as a result of public complaints about poor local air quality. Although odour removal technologies exist, they encounter a number of problems. The lack of harsh chemicals required for the proposed technology means there is no wastewater stream to treat. This will have an impact on the r ....Immobilized biocatalysts on selected filter media to control odour emissions from wastewater treatment and composting facilities. Odour is one of the common problems faced by wastewater and solid waste industries as a result of public complaints about poor local air quality. Although odour removal technologies exist, they encounter a number of problems. The lack of harsh chemicals required for the proposed technology means there is no wastewater stream to treat. This will have an impact on the reduction of chemicals disposed to the environment, preventing unnecessary contamination of land and water resources. The lower space requirement of the technology will free up land, formerly required for large biofilters, for other uses including civic amenities.Read moreRead less
Gravity Current Driven Smoke Dispersion In a Stratified Ambient. Smoke from bushfires transported by gravity currents, and known to occur nationwide, caused the shutdown of businesses, education and events in Canberra in 2019. Recent scientific investigations have shown that the speed of propagation and concentration of smoke in these three-dimensional gravity currents have a long term ‘memory’ of their initial configuration. In this project, high-fidelity computational and experimental techniq ....Gravity Current Driven Smoke Dispersion In a Stratified Ambient. Smoke from bushfires transported by gravity currents, and known to occur nationwide, caused the shutdown of businesses, education and events in Canberra in 2019. Recent scientific investigations have shown that the speed of propagation and concentration of smoke in these three-dimensional gravity currents have a long term ‘memory’ of their initial configuration. In this project, high-fidelity computational and experimental techniques will be used to elucidate the fundamental mechanisms of gravity current entrainment and propagation. This knowledge will set a strong foundation to improve operational forecasts of smoke transport that will allow government agencies to better respond to the negative impact of these complicated flows.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE210100755
Funder
Australian Research Council
Funding Amount
$462,948.00
Summary
Developing phytosystems for the biofiltration of air pollutants . This project aims to develop, evaluate and apply a range of biotechnology driven solutions for the use of phytosystem biofilters designed for air purification. The findings of the project will demonstrate the fundamental mechanisms behind botanical air pollutant biofiltration, apply systematic technological development against a range of air pollutants, and provide strategies to deploy the technology. With a transdisciplinary appr ....Developing phytosystems for the biofiltration of air pollutants . This project aims to develop, evaluate and apply a range of biotechnology driven solutions for the use of phytosystem biofilters designed for air purification. The findings of the project will demonstrate the fundamental mechanisms behind botanical air pollutant biofiltration, apply systematic technological development against a range of air pollutants, and provide strategies to deploy the technology. With a transdisciplinary approach utilising techniques new to this discipline, the project will substantially advance the fundamental science underlying this novel and highly valuable area of air-bioremediation technology, and will create a much stronger economic driver for this Australia-led innovation.Read moreRead less
Development of Canonical Mist Filter Models. Over one million tonnes of oil (mist) is wasted every year – and emitted to the atmosphere through inefficient filtration. Over 50 per cent of energy usage in most process industries is for filtration and separation processes, yet mist filters and separators are largely designed by trial and error, resulting in sub-optimal, inefficient designs. Recent advances by the research team have, only now, made it possible to develop accurate models for such sy ....Development of Canonical Mist Filter Models. Over one million tonnes of oil (mist) is wasted every year – and emitted to the atmosphere through inefficient filtration. Over 50 per cent of energy usage in most process industries is for filtration and separation processes, yet mist filters and separators are largely designed by trial and error, resulting in sub-optimal, inefficient designs. Recent advances by the research team have, only now, made it possible to develop accurate models for such systems. This work intends to be the first to develop accurate, broadly applicable models for all processes in mist filters, thereby providing immense process efficiency benefits, together with improved worker and environmental protection, and less wastage of dwindling oil resources.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE150101836
Funder
Australian Research Council
Funding Amount
$325,111.00
Summary
Global Influence of Intraseasonal Variability in Ozonesonde Profiles. This proposal aims to better understand how tropical intraseasonal variability (periods of 40 to 60 days) influences the chemical components of the global atmosphere. The results of the research aim to improve regional air-quality forecasts on weekly and monthly timescales. The highly vertically resolved ozone concentrations from the surface up to 20 kilometres, measured by balloon-borne instruments called ozonesondes, will be ....Global Influence of Intraseasonal Variability in Ozonesonde Profiles. This proposal aims to better understand how tropical intraseasonal variability (periods of 40 to 60 days) influences the chemical components of the global atmosphere. The results of the research aim to improve regional air-quality forecasts on weekly and monthly timescales. The highly vertically resolved ozone concentrations from the surface up to 20 kilometres, measured by balloon-borne instruments called ozonesondes, will be used as a dynamical tracer. The knowledge gained from the ozonesonde data will be used to elucidate the chemical origins of the tropical variability related to biomass burning activities and convective lightning, as well as the subtropical variability related to the polar vortex dynamics.Read moreRead less
A screening tool to identify safer biodiesels. This project aims to identify what makes an optimal biodiesel in terms of minimising toxic exhaust outputs (environmental effects) and effects on health. Biodiesel, which can be made from virtually any natural oil, is seen as a healthier, environmentally friendly alternative to mineral diesel, but some biodiesels are worse than others. By studying exposure and analysing biodiesel exhaust, this project will develop a screening algorithm to assess bio ....A screening tool to identify safer biodiesels. This project aims to identify what makes an optimal biodiesel in terms of minimising toxic exhaust outputs (environmental effects) and effects on health. Biodiesel, which can be made from virtually any natural oil, is seen as a healthier, environmentally friendly alternative to mineral diesel, but some biodiesels are worse than others. By studying exposure and analysing biodiesel exhaust, this project will develop a screening algorithm to assess biodiesels for their environmental effects and their risk to health. Outcomes are expected to guide industry in producing an alternative fuel.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE130101033
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
An ultrafast mid-infrared fiber laser: short pulses at long wavelengths. This project will result in the creation of a unique laser system, operating in the mid-infrared wavelength range and generating short bursts of light, which will have a potentially revolutionary impact in many areas of physics, health, defence and astronomy.
Engineering nanostructured graphene-based semiconductor photocatalysts. Harnessing solar energy and converting it into useful chemical energy efficiently is the expected outcome of the project. Given the strategic solar-geographical position of Australia, solar photocatalysis is a leading option for utilising our renewable energy resources to applications relating to energy conversion and environmental remediation.