Surface characteristics and hydrodynamics in detachment of coarse particles. Froth flotation is widely used for separating coal and minerals from the gangue. The largest particles that can be floated in the industry are 10 times smaller than the particles that can be floated under quiescent conditions. This project aims to better understand and quantify the detachment of large particles from the bubble surface. It aims to develop innovative modelling and experimental approaches to examine the ef ....Surface characteristics and hydrodynamics in detachment of coarse particles. Froth flotation is widely used for separating coal and minerals from the gangue. The largest particles that can be floated in the industry are 10 times smaller than the particles that can be floated under quiescent conditions. This project aims to better understand and quantify the detachment of large particles from the bubble surface. It aims to develop innovative modelling and experimental approaches to examine the effect of particle surface characteristics and hydrodynamic conditions on coarse particle detachment and flotation. New ways to save energy by floating coarse composite particles are proposed to be developed. This research is at the forefront of flotation science and technology, and is expected to deliver significant outcomes to the mining industry.Read moreRead less
Effect of Saline Water on Flotation Processes. The Australian mineral and coal industry is valued at $40 billion in export income per year. This significant component of the Australian economy will benefit from this research into the increased use of highly saline water to improve coal and mineral flotation recovery. The project will keep Australia at the leading edge of flotation research, research training and development for the coal and mineral industry. With direct relevance to the National ....Effect of Saline Water on Flotation Processes. The Australian mineral and coal industry is valued at $40 billion in export income per year. This significant component of the Australian economy will benefit from this research into the increased use of highly saline water to improve coal and mineral flotation recovery. The project will keep Australia at the leading edge of flotation research, research training and development for the coal and mineral industry. With direct relevance to the National Research Priorities: Water - a Critical Resource, this project will make contributions to the development of a more environmentally sustainable coal and mineral processing industry.Read moreRead less
Flotation in high salt concentration: resolving critical knowledge gaps relating the ion effect on bubble production and behavior. Flotation separation of coal and mineral particles by attaching to rising air bubbles is significantly affected in high salt concentration but its exact mechanism still remains unclear. This project employs state-of-the-art surface sensitive spectroscopy and modeling tools to investigate how salt ions influence drainage and rupture of liquid films between two bubbles ....Flotation in high salt concentration: resolving critical knowledge gaps relating the ion effect on bubble production and behavior. Flotation separation of coal and mineral particles by attaching to rising air bubbles is significantly affected in high salt concentration but its exact mechanism still remains unclear. This project employs state-of-the-art surface sensitive spectroscopy and modeling tools to investigate how salt ions influence drainage and rupture of liquid films between two bubbles, and bubble production and behaviour relevant to the flotation processes. The research will develop better water use for coal and mineral flotation to reduce reagent usage and environmental impacts of water pollution. The project will contribute significantly to knowledge advancement in the coal and mineral industry.Read moreRead less
Molecular phenomena and engineering of saline water-air interfaces. Saline water use in Australia's mining, agricultural, and drinking water industries is increasing. Many of the production processes of these industries are underpinned by many complex molecular phenomena and interactions at the saline water - air interfaces which we want to understand, optimise and design. The findings will have direct benefits in the field of flotation used to recover valuable minerals using hyper-saline bore w ....Molecular phenomena and engineering of saline water-air interfaces. Saline water use in Australia's mining, agricultural, and drinking water industries is increasing. Many of the production processes of these industries are underpinned by many complex molecular phenomena and interactions at the saline water - air interfaces which we want to understand, optimise and design. The findings will have direct benefits in the field of flotation used to recover valuable minerals using hyper-saline bore water and to produce drinking water from seawater by desalination. This project is important because it will lead to sustainable ways of producing water and using water in industry. Its success will ensure that our industries remain at the forefront of innovation and are globally competitive.Read moreRead less
Predicting the recovery of composite mineral particles in froth flotation. This project aims to provide a new method of predicting the recovery of valuable metals such as copper, gold and lithium from ores using the flotation process. The project will provide new way of modelling the behaviour of individual flotation cells, and banks of cells in series. The project will provide benefits to existing operations such as the minerals and coal industries, which are heavy users of flotation technology ....Predicting the recovery of composite mineral particles in froth flotation. This project aims to provide a new method of predicting the recovery of valuable metals such as copper, gold and lithium from ores using the flotation process. The project will provide new way of modelling the behaviour of individual flotation cells, and banks of cells in series. The project will provide benefits to existing operations such as the minerals and coal industries, which are heavy users of flotation technology. New insights into the behaviour of composite particles will lead to more efficient operations and a new way of scale-up in the design of full-scale plant, which will permit designers to optimise circuits and minimise capital and operating costs.Read moreRead less
Enhanced Multilingual Speaker Recognition through the Incorporation of High-Level Features, Late Fusion and Discriminative Classification Methods. The development of robust multilingual speaker recognition systems will benefit the community through the elimination of fraud incurred by financial institutions and customers by enabling several person authentication applications such as: voice based signatures and document issuance; credit card verification by voice and secure over-the-phone financi ....Enhanced Multilingual Speaker Recognition through the Incorporation of High-Level Features, Late Fusion and Discriminative Classification Methods. The development of robust multilingual speaker recognition systems will benefit the community through the elimination of fraud incurred by financial institutions and customers by enabling several person authentication applications such as: voice based signatures and document issuance; credit card verification by voice and secure over-the-phone financial transactions. The technology will also assist in the protection of the community and safeguard Australia by enabling the implementation of the following: suspect identification using voice print; national security measures for combating terrorism by using voice to locate and track terrorists; preemptive criminal activity counter-measures; surveillance and secure building access by voice.Read moreRead less
Robust speaker recognition with reduced utterance duration and intersession variability. The development of robust and accurate speaker recognition systems will enable secure person authentication in over-the-phone financial transactions and benefit the community through the elimination of identity fraud incurred by customers and financial institutions. The technology will also assist in safeguarding Australia by enabling the implementation of suspect identification using voice and security meas ....Robust speaker recognition with reduced utterance duration and intersession variability. The development of robust and accurate speaker recognition systems will enable secure person authentication in over-the-phone financial transactions and benefit the community through the elimination of identity fraud incurred by customers and financial institutions. The technology will also assist in safeguarding Australia by enabling the implementation of suspect identification using voice and security measures for combating terrorism by using voice to locate and track terrorists. Our research at QUT Speech Research Lab is at the forefront of development in this field and will provide Australia with a technological advantage in the rapidly evolving global market for speaker recognition technology for person authentication applications.Read moreRead less
Techniques to use stereo vision for improving person identification systems based on face recognition. The broad aim of this project is to use three-dimensional information available by processing images from stereo cameras in order to bridge the gap between constrained face recognition systems and viable systems that work well under varying illumination, changes in pose and variations in spectacles, facial hair and attire. Such a system will be useful in passenger verification at airports and a ....Techniques to use stereo vision for improving person identification systems based on face recognition. The broad aim of this project is to use three-dimensional information available by processing images from stereo cameras in order to bridge the gap between constrained face recognition systems and viable systems that work well under varying illumination, changes in pose and variations in spectacles, facial hair and attire. Such a system will be useful in passenger verification at airports and as a component of personal identification systems to counter terrorism. The key to successful face location and recognition is an effective combination of all data - range, luminance and colour - and techniques for this will be the discovered outcomes.Read moreRead less
Automatic Ontology Learning and Data Reasoning in Web Mining. This research has an impact on both research and practical applications. In research, it provides opportunities for research students to carry out research using both data mining and data reasoning to solving Web based application problems. In practical, it can help IT industry to design the new generation of Web mining systems in order to provide invaluable service to users. This research also develops new techniques for data automa ....Automatic Ontology Learning and Data Reasoning in Web Mining. This research has an impact on both research and practical applications. In research, it provides opportunities for research students to carry out research using both data mining and data reasoning to solving Web based application problems. In practical, it can help IT industry to design the new generation of Web mining systems in order to provide invaluable service to users. This research also develops new techniques for data automatic processing within areas of smart information use in Australia. In particular it further develops data mining techniques by introducing data reasoning models for using discovered knowledge. It must be useful to improve the efficiency of the existing data mining systems. Read moreRead less
New Pillared Nanoporous Materials for Hydrogen Production by Photoinduced Water Splitting. The increasing concern over the limited supply of conventional energy sources has triggered world-wide efforts in developing alternative energy generation systems. Hydrogen produced from sunlight and water is considered as an ultimate solution for the hydrogen economy. This project addresses the material needs for more efficient and cleaner means of generating/utilising energy. The novel nanoporous materia ....New Pillared Nanoporous Materials for Hydrogen Production by Photoinduced Water Splitting. The increasing concern over the limited supply of conventional energy sources has triggered world-wide efforts in developing alternative energy generation systems. Hydrogen produced from sunlight and water is considered as an ultimate solution for the hydrogen economy. This project addresses the material needs for more efficient and cleaner means of generating/utilising energy. The novel nanoporous materials with increased photocatalytic water splitting efficiency will lead to new breakthrough in technologies for energy conversion materials. The preparation approach is also applicable to other functional layered materials, providing new opportunities for innovative nanotechnology to more efficient and greener energy industries.Read moreRead less