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
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
The elutriation of ultrafine particles according to their density. This study is concerned with exploiting a new and powerful mechanism for separating particles according to their density, with strong potential for recovering and concentrating tens of billions of dollars worth of valuable minerals annually. By coupling the new separation mechanism with a centrifugal force it should be possible to apply gravity separation technology, arguably for the first time, to the recovery of ultrafine parti ....The elutriation of ultrafine particles according to their density. This study is concerned with exploiting a new and powerful mechanism for separating particles according to their density, with strong potential for recovering and concentrating tens of billions of dollars worth of valuable minerals annually. By coupling the new separation mechanism with a centrifugal force it should be possible to apply gravity separation technology, arguably for the first time, to the recovery of ultrafine particles from 200 microns to well below 10 microns, at high separation efficiency, and high feed rates. This study is also ideal for training new researchers, especially at the PhD level, in an area of importance to Australia's economic future. Read moreRead less
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 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
Iron and phosphorus recovery from ferric precipitation sludge. To minimise health risks and environmental pollution, water and wastewater treatment processes often use iron salts to eliminate phosphate and other pollutants. This generates large amounts of chemical sludge that is typically sent to landfill. The benefits of this new process will be the recovery of both the iron, which can be reused in the process, and the phosphate, which is a key component in fertiliser. Since phosphate is a limi ....Iron and phosphorus recovery from ferric precipitation sludge. To minimise health risks and environmental pollution, water and wastewater treatment processes often use iron salts to eliminate phosphate and other pollutants. This generates large amounts of chemical sludge that is typically sent to landfill. The benefits of this new process will be the recovery of both the iron, which can be reused in the process, and the phosphate, which is a key component in fertiliser. Since phosphate is a limited natural resource with an increasingly high value, the recovery and recycling of this critical element in food production is highly important. The process will also avoid a large part of the sludge production and will make the water treatment processes more cost-effective.Read moreRead less
Novel hybrid silica membranes for desalination. This project aims to produce high flux, highly stable ceramic membranes for use in desalination. This will result in novel, low energy desalination processes, delivering potable water at a greatly reduced cost.
Special Research Initiatives - Grant ID: SR180100027
Funder
Australian Research Council
Funding Amount
$1,086,676.00
Summary
Integrated, scalable technology solutions for PFAS removal and destruction. This project aims to deliver a ready-to-deploy and scalable modular technology that is capable of removing poly- and per-fluoroalkyl substances (PFAS) from a variety of water sources, including groundwater and surface waters, to make them virtually PFAS-free and therefore safe for human consumption. The concept draws on recent advances in water treatment and electrochemistry that is based on ion exchange, nanofiltration ....Integrated, scalable technology solutions for PFAS removal and destruction. This project aims to deliver a ready-to-deploy and scalable modular technology that is capable of removing poly- and per-fluoroalkyl substances (PFAS) from a variety of water sources, including groundwater and surface waters, to make them virtually PFAS-free and therefore safe for human consumption. The concept draws on recent advances in water treatment and electrochemistry that is based on ion exchange, nanofiltration and advanced oxidation. A risk-based framework will be developed to deliver fit-for-purpose solutions at minimal cost for stakeholders and taxpayers. This project is expected to benefit the residents who live in the vicinity of contaminated waterways or consume water from polluted sources.Read moreRead less
Ultrasound for control of cyanobacteria. Blue-green algae, also known as cyanobacteria, forms in drinking water supplies in Australia and can cause water-quality problems. Current methods to treat blue-green algae involve the use of Copper Sulphate, which is not an environmentally friendly compound. A potential alternative environmentally friendly water-treatment method involves the use of ultrasound to disrupt the cyanobacteria. The aim of this project is to determine the physical properties of ....Ultrasound for control of cyanobacteria. Blue-green algae, also known as cyanobacteria, forms in drinking water supplies in Australia and can cause water-quality problems. Current methods to treat blue-green algae involve the use of Copper Sulphate, which is not an environmentally friendly compound. A potential alternative environmentally friendly water-treatment method involves the use of ultrasound to disrupt the cyanobacteria. The aim of this project is to determine the physical properties of the cyanobacteria when excited with ultrasound for the purpose of finding an efficient method to treat large volumes of water. Read moreRead less