The molecular biology and biochemistry of bacterial manganese oxidation. This project will further the understanding of bacterial manganese (Mn2+) oxidation. A multi-disciplinary approach will be used to further investigate the genetics and biochemistry of the Mn2+-oxidising systems of Pseudomonas putida, Leptothrix sp. and Pedomicrobium sp. This work will focus in particular on comparing the Mn2+-oxidising systems from unrelated bacteria. A combination of molecular biology, protein biochemis ....The molecular biology and biochemistry of bacterial manganese oxidation. This project will further the understanding of bacterial manganese (Mn2+) oxidation. A multi-disciplinary approach will be used to further investigate the genetics and biochemistry of the Mn2+-oxidising systems of Pseudomonas putida, Leptothrix sp. and Pedomicrobium sp. This work will focus in particular on comparing the Mn2+-oxidising systems from unrelated bacteria. A combination of molecular biology, protein biochemistry and spectroscopy will be used. This will be the first time that the enzymes of bacterial Mn2+-oxidation will have been characterised in such detail and will lead to a greater understanding of the process of bacterial manganese oxidation.Read moreRead less
The flotation of oxide minerals using hydroxamate collectors. Australian and world mineral resources are declining in quality as we exploit the richest sulfidic ore deposits. This is increasing our reliance on concentration and beneficiation processes to improve the economics of the selective recovery of minerals from lower grade and, increasingly, oxide or lateritic ore bodies. In addition, greater emphasis is being placed on our environmental stewardship and the need to remove hazardous mater ....The flotation of oxide minerals using hydroxamate collectors. Australian and world mineral resources are declining in quality as we exploit the richest sulfidic ore deposits. This is increasing our reliance on concentration and beneficiation processes to improve the economics of the selective recovery of minerals from lower grade and, increasingly, oxide or lateritic ore bodies. In addition, greater emphasis is being placed on our environmental stewardship and the need to remove hazardous material from the concentrate streams. This proposal will develop improved methods and techniques that will facilitate better, cleaner separations and recovery of the valuable oxide mineral components using Australian-developed flotation reagents.Read moreRead less
Development and structural characterisation of carbide-derived carbon membranes and their application in separation. This research addresses a key challenge in gas separation crucial to our energy future and environmental sustainability, while harnessing the potential of carbide derived carbons. The project has a multitude of benefits for Australia, not only because it contributes to on-going research on carbon dioxide sequestration and utilization of alternate fuels, but because it will see a n ....Development and structural characterisation of carbide-derived carbon membranes and their application in separation. This research addresses a key challenge in gas separation crucial to our energy future and environmental sustainability, while harnessing the potential of carbide derived carbons. The project has a multitude of benefits for Australia, not only because it contributes to on-going research on carbon dioxide sequestration and utilization of alternate fuels, but because it will see a new generation of Australian researchers trained in multidisciplinary cutting-edge research while addressing several areas of national priority, including reducing emissions, breakthrough sciences, development of frontier technologies and advanced materials, and thereby creating new opportunities for industry.Read moreRead less
Modelling of Adsorption Dynamics in Microporous Adsorbents Using Fractional Order Diffusion Equations. This project investigates the use of fractional order diffusion equations in modelling adsorption dynamics in microporous carbons. The long tail behaviour of adsorption processes cannot be readily explained by the classical second order Fickian model, and makes adsorption a candidate for the use of fractional order diffusion equations that have the potential to model such features. In the pre ....Modelling of Adsorption Dynamics in Microporous Adsorbents Using Fractional Order Diffusion Equations. This project investigates the use of fractional order diffusion equations in modelling adsorption dynamics in microporous carbons. The long tail behaviour of adsorption processes cannot be readily explained by the classical second order Fickian model, and makes adsorption a candidate for the use of fractional order diffusion equations that have the potential to model such features. In the present project we shall develop suitable numerical techniques for solving the fractional order diffusion model, and apply these to the interpretation of experimental kinetic data. The outcome will be an improved model of adsorption dynamics considering the fractal nature of the solid.Read moreRead less
Tailoring the microwave dielectric properties of promising electroceramics for use in wireless telecommunication components and devices. This project aims to develop and tailor the microwave dielectric properties of promising electroceramic materials specifically targeting next generation wireless telecommunications applications. The partnership between the ANU and the Australian company Microwave and Materials Designs has the potential to enable new microwave electroceramic materials to be disc ....Tailoring the microwave dielectric properties of promising electroceramics for use in wireless telecommunication components and devices. This project aims to develop and tailor the microwave dielectric properties of promising electroceramic materials specifically targeting next generation wireless telecommunications applications. The partnership between the ANU and the Australian company Microwave and Materials Designs has the potential to enable new microwave electroceramic materials to be discovered and then incorporated into new microwave components and/or devices developed in response to the requirements of the international wireless telecommunications market. The requested PhD student will gain experience in both the industrial and academic worlds and the skills needed to be part of Australia's high-tech workforce. Read moreRead less
Micro Process Plants - Non-Newtonian flow and particle synthesis in confined geometries. Understanding the flow behaviour of well characterised non-Newtonian fluids within microfluidic and nanofluidic devices is of vital importance to development of novel high-value added services, products and devices within Australia's burgeoning biotechnology, environmental technology, communications and information technology industries. The outcomes of this project will provide new 'systematic' design stand ....Micro Process Plants - Non-Newtonian flow and particle synthesis in confined geometries. Understanding the flow behaviour of well characterised non-Newtonian fluids within microfluidic and nanofluidic devices is of vital importance to development of novel high-value added services, products and devices within Australia's burgeoning biotechnology, environmental technology, communications and information technology industries. The outcomes of this project will provide new 'systematic' design standards for microdevice manufacture for these industries, ultimately leading to the creation of new, exciting avenues for tailoring novel biotechnology and 'point-of-care' products for Australia.Read moreRead less
Modelling of multiscale systems in engineering and science supports large-scale equation-free simulations and analysis. A persistent feature of complex systems in engineering and science is the emergence of macroscopic, coarse grained, coherent behaviour from the interactions of microscopic agents (molecules, cells) and with their environment. In current modeling, ranging from ecology to materials science, the underlying microscopic mechanisms are known, but the closures to translate microscale ....Modelling of multiscale systems in engineering and science supports large-scale equation-free simulations and analysis. A persistent feature of complex systems in engineering and science is the emergence of macroscopic, coarse grained, coherent behaviour from the interactions of microscopic agents (molecules, cells) and with their environment. In current modeling, ranging from ecology to materials science, the underlying microscopic mechanisms are known, but the closures to translate microscale knowledge to a system level macroscopic description are rarely available in closed form. Our novel, equation free, computational methodologies will circumvent this stumbling block, and promises to radically change the modeling, exploration and understanding of complex system behavior. We continue to develop this powerful computational methodology. Read moreRead less
Improved Nanoscale and Molecular Models for Nanostructured Carbons, and their Applications in Simulation of Confined Fluids. This project has a multitude of benefits for Australia, a key one of which is the promotion of cross-disciplinary interaction and collaboration to conduct leading edge research in a technologically important area. In addition the project will utilize two PhD students who will be trained in research, and gain a broad range of skills in this multifaceted project involving t ....Improved Nanoscale and Molecular Models for Nanostructured Carbons, and their Applications in Simulation of Confined Fluids. This project has a multitude of benefits for Australia, a key one of which is the promotion of cross-disciplinary interaction and collaboration to conduct leading edge research in a technologically important area. In addition the project will utilize two PhD students who will be trained in research, and gain a broad range of skills in this multifaceted project involving theory, simulation and experiment. The research, grounded in molecular fundamentals, will also lead to the development of advanced tools for adsorption process modelling, useful in process design and scale-up, and contribute to Goal 1 of National Priority Area 3: Frontier Technologies for Building and Transforming Australian Industries.Read moreRead less
Theoretical Study of Functionalized Boron Nitride Nanotubes and Their Application as Gas Sensor. The gas sensors to be studied in this project can be deployed for a variety of applications, such as environmental monitoring, sensing in chemical processing plant, and gas detection for counter-terrorism, this project thus can significantly contribute to environmental protection, national security, and agriculture and pharmaceutical industries in Australia. Such mechanism understanding will also be ....Theoretical Study of Functionalized Boron Nitride Nanotubes and Their Application as Gas Sensor. The gas sensors to be studied in this project can be deployed for a variety of applications, such as environmental monitoring, sensing in chemical processing plant, and gas detection for counter-terrorism, this project thus can significantly contribute to environmental protection, national security, and agriculture and pharmaceutical industries in Australia. Such mechanism understanding will also be very useful for exploring the applications of BNNTs in nano-optical-magnetic devices, energy storage and biomaterials This project will also be important for keeping Australia in the frontier area in the research areas of nanotubes.Read moreRead less
Modelling of Adsorption Dynamics in Microporous Solids based on Molecular Dynamics Computations. This project seeks to incorporate non-equilibrium molecular dynamics calculations into particle scale models for adsorption kinetics. Molecular dynamics calculations will be performed for hydrocarbon molecules in small pores to obtain transport coefficients in pores of various sizes, at various bulk gas pressures and temperatures. These transport coefficients will be used in particle scale models t ....Modelling of Adsorption Dynamics in Microporous Solids based on Molecular Dynamics Computations. This project seeks to incorporate non-equilibrium molecular dynamics calculations into particle scale models for adsorption kinetics. Molecular dynamics calculations will be performed for hydrocarbon molecules in small pores to obtain transport coefficients in pores of various sizes, at various bulk gas pressures and temperatures. These transport coefficients will be used in particle scale models to obtain a dynamic model, which will be utilised to interpret experimental data from the literature as well as that being obtained in our laboratory. Such first principles-based modelling has not been performed before at the particle scale, and will mitigate the empiricism in existing approaches.Read moreRead less