Modelling of Slug Pneumatic Conveying with an In-situ Microprobe Sensor. This project aims to develop a particle-scale microprobe to capture the transient dynamics of particle behaviours for pneumatic conveying. Slug flow pneumatic transport of granular materials such as mineral particles and food grains is extremely popular across the processing industry. However, without the fundamental understanding of the conveying mechanism at the particulate level, pneumatic conveyors are over-designed and ....Modelling of Slug Pneumatic Conveying with an In-situ Microprobe Sensor. This project aims to develop a particle-scale microprobe to capture the transient dynamics of particle behaviours for pneumatic conveying. Slug flow pneumatic transport of granular materials such as mineral particles and food grains is extremely popular across the processing industry. However, without the fundamental understanding of the conveying mechanism at the particulate level, pneumatic conveyors are over-designed and energy intensive. The project aims to enable accurate measurement of the motion, inertia and force information at the particle scale, so as to produce more accurate design protocols for such a conveying system. Improved pneumatic conveyors may have the potential to reduce the energy consumption in such systems by up to a factor of 10.Read moreRead less
Volatile Organic Compound removal from indoor air environments by an integrated photocatalytic/filtration system. This project promotes the development of technology for providing improved air quality in indoor environments. Mentoring by internationally renowned experts of young Australian researchers on this issue of high importance will be undertaken by the Chief and Partner Investigators. Success from this project will place Australia as a leader in the global community for developing technol ....Volatile Organic Compound removal from indoor air environments by an integrated photocatalytic/filtration system. This project promotes the development of technology for providing improved air quality in indoor environments. Mentoring by internationally renowned experts of young Australian researchers on this issue of high importance will be undertaken by the Chief and Partner Investigators. Success from this project will place Australia as a leader in the global community for developing technology in air pollution quality control.Read moreRead less
Modelling and characterisation of biomass materials for pneumatic transport. This project aims to develop a particle scale microprobe to capture the transient dynamics of biomass compaction, dilation and associated airflow for pneumatic conveying and potentially beyond. Low velocity, dense phase pneumatic transport presents the ideal method for transporting delicate biomass feedstocks. However, without the fundamental understanding of the compactive and dilative response of biomass ensembles, pn ....Modelling and characterisation of biomass materials for pneumatic transport. This project aims to develop a particle scale microprobe to capture the transient dynamics of biomass compaction, dilation and associated airflow for pneumatic conveying and potentially beyond. Low velocity, dense phase pneumatic transport presents the ideal method for transporting delicate biomass feedstocks. However, without the fundamental understanding of the compactive and dilative response of biomass ensembles, pneumatic conveyors will be over-designed and energy intensive. This project will enable accurate measurement of the motion, inertia and force information at the particle scale, to produce more accurate design protocols for dense phase biomass pneumatic transport.Read moreRead less
Gravity Separation and Desliming of Fine Particles. This project will be of benefit to the Australian coal and mineral processing industries, worth tens of billions of dollars to the Australian economy each year. The objective is to establish an innovative system of cascading Reflux Classifiers for achieving both gravity separation and desliming of fine particles. Presently millions of tonnes of fine coal exist in tailings dams, unrecoverable by existing technologies such as flotation. This rese ....Gravity Separation and Desliming of Fine Particles. This project will be of benefit to the Australian coal and mineral processing industries, worth tens of billions of dollars to the Australian economy each year. The objective is to establish an innovative system of cascading Reflux Classifiers for achieving both gravity separation and desliming of fine particles. Presently millions of tonnes of fine coal exist in tailings dams, unrecoverable by existing technologies such as flotation. This research will provide options for the recovery of this resource, making the remediation of these sites economically viable. The project will also support the education and training of researchers in this field of importance to Australia’s future.Read moreRead less
Micromechanical analysis of size segregation and its prediction in granular free-surface flows. Industries often suffer from size segregation in the handling and processing of granular materials, leading to significant economic consequences. This project aims to develop a fundamental understanding of size segregation and prediction models, enabling industries to eliminate, minimise, or manage the effects to an acceptable level.
Particle classification using a ferrofluid in a non uniform magnetic field. The separation of micron size components of suspensions according to the size and density of the particles is presently an intractable problem. However, by using a magnetized ferrofluid it should be possible to generate unique particle trajectories for each combination of particle size and density. This study investigates the potential of this strategy for separating such particles, laying the foundation for new small-sc ....Particle classification using a ferrofluid in a non uniform magnetic field. The separation of micron size components of suspensions according to the size and density of the particles is presently an intractable problem. However, by using a magnetized ferrofluid it should be possible to generate unique particle trajectories for each combination of particle size and density. This study investigates the potential of this strategy for separating such particles, laying the foundation for new small-scale diagnostic "lab-on a chip" technology that could be used in biotechnology to study whole blood, or in mineral processing to control energy intensive ball mills for mineral particle liberation.Read moreRead less
Use of Parallel Inclined Channels to Enhance Foam Drainage in Ion Flotation. This study is concerned with increasing the rates of foam drainage in flotation processes. The findings will have direct benefit in the field of ion flotation, and will be highly relevant to the flotation of high value minerals worth tens of billions of dollars annually. The Reflux Classifier, a device that employs the Boycott Effect to achieve a significant increase in the effective area of the vessel, will be used. Th ....Use of Parallel Inclined Channels to Enhance Foam Drainage in Ion Flotation. This study is concerned with increasing the rates of foam drainage in flotation processes. The findings will have direct benefit in the field of ion flotation, and will be highly relevant to the flotation of high value minerals worth tens of billions of dollars annually. The Reflux Classifier, a device that employs the Boycott Effect to achieve a significant increase in the effective area of the vessel, will be used. This device has already attracted three national awards in the area of gravity concentration in mineral processing. The study is ideal for training new researchers, especially at the PhD level, given the importance of the field to Australia. Read moreRead less
Influence of adsorbed surfactants on three phase contact line motion at high capillary number. The interaction between thin films and solid surfaces underpins the performance of a number of value-adding industrial processes, most notably metallurgical coating operations. Typically, these operations are performed at speeds well beyond the range of existing models, thereby limiting their value when changes in operation occur or when there are problems with product quality. Existing models are also ....Influence of adsorbed surfactants on three phase contact line motion at high capillary number. The interaction between thin films and solid surfaces underpins the performance of a number of value-adding industrial processes, most notably metallurgical coating operations. Typically, these operations are performed at speeds well beyond the range of existing models, thereby limiting their value when changes in operation occur or when there are problems with product quality. Existing models are also limited by their inability to account for the presence of surfactants commonly used throughout industry. This study will produce a capability for predicting how velocity and local changes in molecular composition affect the wetting/dewetting of coated surfaces.Read moreRead less
Understanding the reactivity of pulverised coal at extreme conditions when injected into blast furnaces during PCI. This study aims to improve the understanding and develop a mathematical model of coal combustion during injection into blast furnaces as PCI (pulverised coal injection). The principle economic and social benefits of this project to the community are: (i) Increased efficiency of Blast Furnace operations, resulting in cheaper production of iron in an increasingly globally competitive ....Understanding the reactivity of pulverised coal at extreme conditions when injected into blast furnaces during PCI. This study aims to improve the understanding and develop a mathematical model of coal combustion during injection into blast furnaces as PCI (pulverised coal injection). The principle economic and social benefits of this project to the community are: (i) Increased efficiency of Blast Furnace operations, resulting in cheaper production of iron in an increasingly globally competitive industry, supporting the Australian steel industry and domestic market. And (ii) the potential to impact on process fuel efficiency and reduce CO2 emissions from fossil fuel sources providing a cleaner source of iron for steel production.Read moreRead less
Drag Force on Bubbles and Particles in Turbulent Flows. Australian exports are dominated by the minerals, metallurgical and chemicals industries, with minerals exports worth at least $40 billion annually. Many of the production processes are underpinned by the complex interaction between particles, bubbles and liquids. It is important that we understand the complex interactions taking place. This will enable us to improve existing operations and also to design completely new technologies, especi ....Drag Force on Bubbles and Particles in Turbulent Flows. Australian exports are dominated by the minerals, metallurgical and chemicals industries, with minerals exports worth at least $40 billion annually. Many of the production processes are underpinned by the complex interaction between particles, bubbles and liquids. It is important that we understand the complex interactions taking place. This will enable us to improve existing operations and also to design completely new technologies, especially in the emerging fields of nano and biotechnology. This project is important because it adds to our knowledge in the national priority area of Transforming Australian Industries, and its success will ensure that our industries remain at the forefront of innovation and are globally competitive. Read moreRead less