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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
Influence of Parallel Inclined Plates within Liquid Fluidized Beds. The aim of this study is to develop a fundamental understanding of the influence of a set of parallel inclined plates within a liquid fluidized bed. A broad range of systems that process particulate suspensions are very likely to benefit from this innovative arrangement. Considerably higher throughputs and improved separation performance are expected. A theoretical model will be developed and validated experimentally. The study ....Influence of Parallel Inclined Plates within Liquid Fluidized Beds. The aim of this study is to develop a fundamental understanding of the influence of a set of parallel inclined plates within a liquid fluidized bed. A broad range of systems that process particulate suspensions are very likely to benefit from this innovative arrangement. Considerably higher throughputs and improved separation performance are expected. A theoretical model will be developed and validated experimentally. The study will also examine whether a critical shear rate can be used to selectively separate particles on the basis of differences in density. This work will strengthen the potential exploitation of this new technology, and help train and educate a student at the PhD level in the area.Read moreRead less
Evolutionary Design for Ore Processing Plants. This project will investigate the use of evolutionary algorithms (EAs) in the design of ore processing plants. Ore processing is a major activity in the Australian mining industry, and a significant source of export dollars. Prior work has demonstrated that EAs can out-perform previous manual and automated design techniques for individual processing units. This project will apply EAs to the design of whole flowsheets containing arbitrary combination ....Evolutionary Design for Ore Processing Plants. This project will investigate the use of evolutionary algorithms (EAs) in the design of ore processing plants. Ore processing is a major activity in the Australian mining industry, and a significant source of export dollars. Prior work has demonstrated that EAs can out-perform previous manual and automated design techniques for individual processing units. This project will apply EAs to the design of whole flowsheets containing arbitrary combinations of different types of units. The complexity of typical flowsheet layouts will require new algorithms to discover improved designs in practical time, so parallel hardware, and new parallel EAs, will be utilised.
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X-ray tomographic analysis and modelling of metallurgical coke. This project will apply 3D X-ray micro-tomography and model-based computational analysis to develop innovative approaches to the micro-structural characterisation of metallurgical coke. This has significant ramifications for the iron industry since coke characterisation is of primary importance to improved blast furnace productivity. The project will deliver new quantitative indices of coke microstructure, develop models for simulat ....X-ray tomographic analysis and modelling of metallurgical coke. This project will apply 3D X-ray micro-tomography and model-based computational analysis to develop innovative approaches to the micro-structural characterisation of metallurgical coke. This has significant ramifications for the iron industry since coke characterisation is of primary importance to improved blast furnace productivity. The project will deliver new quantitative indices of coke microstructure, develop models for simulation of micro-structural properties and coke transport properties, and examine coke reactivity in 3D contexts. This project will also be the first study to use multi-scale 3D X-ray tomographic analysis to examine the structural dynamics of coke during both its production and its use in the blast furnace.Read moreRead less
Behaviour of particles in flotation froths. Froth flotation is widely used for the separation of mineral particles. Currently, there is an upper limit on the size of particles that can be treated. It has recently been found that the upper limit can be extended from a few hundreds of microns, up to millimetre sizes, by processing the particles in the froth. We will study the forces acting on particles in flotation froths, as well as froth drainage and entrainment, to find the factors that limit t ....Behaviour of particles in flotation froths. Froth flotation is widely used for the separation of mineral particles. Currently, there is an upper limit on the size of particles that can be treated. It has recently been found that the upper limit can be extended from a few hundreds of microns, up to millimetre sizes, by processing the particles in the froth. We will study the forces acting on particles in flotation froths, as well as froth drainage and entrainment, to find the factors that limit the flotation of large particles and objects. The work is relevant to water treatment and the separation of plastics for recycling.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE100100155
Funder
Australian Research Council
Funding Amount
$495,000.00
Summary
High-Speed Particle Image Velocimetry and Laser-Induced Fluorescence Facility. This state-of-the-art laser facility will increase our scientific understanding of industrial processes by providing valuable information on velocity, temperature and concentration profiles for rapidly changing flow fields. Previously it was not possible to do this, and the knowledge gained will be applied to develop more efficient and environmentally sustainable operations. For example, many current processes have hi ....High-Speed Particle Image Velocimetry and Laser-Induced Fluorescence Facility. This state-of-the-art laser facility will increase our scientific understanding of industrial processes by providing valuable information on velocity, temperature and concentration profiles for rapidly changing flow fields. Previously it was not possible to do this, and the knowledge gained will be applied to develop more efficient and environmentally sustainable operations. For example, many current processes have high energy input but scientific evidence suggests that it can be reduced if the embodied energy of the flow is properly utilised. Importantly, this utilisation often leads to increased yields and product quality. The facility will greatly assist researchers and industry collaborators in developing processes for the 21st century.Read moreRead less
Particle Transport and Separation in High Aspect Ratio Inclined Channels. 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 new options for the processing of particles as large as 50mm, and smaller than 50 microns in size, and hence significantly extend the operating size range of the Reflux Classifier. The development of new resources, especially those of ....Particle Transport and Separation in High Aspect Ratio Inclined Channels. 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 new options for the processing of particles as large as 50mm, and smaller than 50 microns in size, and hence significantly extend the operating size range of the Reflux Classifier. The development of new resources, especially those of poorer grade, requires more effective separation technology. Success in this project will significantly benefit the end users of the technology and also contribute to Australia's Mining Services industry.Read moreRead less