Application of Water Based Fractionation in the Assessment of Metallurgical Coal. The metallurgical coal market (13% of coal market) is highly specialized, and competitive. The coal, which is utilized as a reducing agent in iron making, represents more than 52% of Australian coal exports. This study addresses growing evidence that organic liquids used to fractionate and in turn assess metallurgical coals lead to negative assessments, hence loss of markets, and lost opportunities. A new water bas ....Application of Water Based Fractionation in the Assessment of Metallurgical Coal. The metallurgical coal market (13% of coal market) is highly specialized, and competitive. The coal, which is utilized as a reducing agent in iron making, represents more than 52% of Australian coal exports. This study addresses growing evidence that organic liquids used to fractionate and in turn assess metallurgical coals lead to negative assessments, hence loss of markets, and lost opportunities. A new water based fractionation method will be established, and a systematic investigation into the effects of the organic liquids will be undertaken. These results will be used to build a case for replacing the organic liquids used in the industry, which are known to have negative health and environmental impacts. Read moreRead less
Characterisation of Pyrolytic Thermal Regions in Coal Macerals using Computer Aided Thermal Analysis. The research will assist in the fundamental understanding of coal pyrolysis mechanisms. All coal contains proportions of different fossilised plant material, which behaves differently when heated. This proposal studies thermal behaviour of the density separated fractions in Australian coals using a highly sensitive technique. The characterisation adds value and use to current coal reserves and ....Characterisation of Pyrolytic Thermal Regions in Coal Macerals using Computer Aided Thermal Analysis. The research will assist in the fundamental understanding of coal pyrolysis mechanisms. All coal contains proportions of different fossilised plant material, which behaves differently when heated. This proposal studies thermal behaviour of the density separated fractions in Australian coals using a highly sensitive technique. The characterisation adds value and use to current coal reserves and is aimed towards producing an advanced modelling capability to promote efficient coal usage in existing and future technologies. Such innovative approaches support the sustainability of Australian coal reserves, particularly in the transition towards decarbonised energy.Read moreRead less
Selective generation of hydrogen from biomass and waste fuels. Biomass fuels account for 14% of global energy supply. This is likely to increase in future as the population increases, energy demand rises, cheap oil and coal reserves are depleted, and the effects of global warming become more readily visible. In Australia the development of a sustainable hydrogen economy is a national priority. The hydrogen economy could bring about improved energy security, substantially reduced greenhouse gas e ....Selective generation of hydrogen from biomass and waste fuels. Biomass fuels account for 14% of global energy supply. This is likely to increase in future as the population increases, energy demand rises, cheap oil and coal reserves are depleted, and the effects of global warming become more readily visible. In Australia the development of a sustainable hydrogen economy is a national priority. The hydrogen economy could bring about improved energy security, substantially reduced greenhouse gas emissions, improved energy efficiency and improved air quality. This proposal directly addresses this challenge by investigating the science underpinning a large-scale sustainable hydrogen synthesis process using biomass and waste fuels. Read moreRead less
Dry Processing of Fine Coal Using the Reflux Classifier. New and efficient separation technologies are crucial for developing the concept of Dry Coal Processing. The benefits to the industry of Dry Processing are compelling, with savings in water consumption, and much larger savings in dewatering and transportation of the product. The Reflux Classifier is a new fluidized bed technology developed in Australia using the more conventional water fluidization approach. Already the technology is contr ....Dry Processing of Fine Coal Using the Reflux Classifier. New and efficient separation technologies are crucial for developing the concept of Dry Coal Processing. The benefits to the industry of Dry Processing are compelling, with savings in water consumption, and much larger savings in dewatering and transportation of the product. The Reflux Classifier is a new fluidized bed technology developed in Australia using the more conventional water fluidization approach. Already the technology is contributing to Australian exports in the rapidly growing area of mining services. The purpose of this project is to establish its potential for use in the Dry Processing of fine coal. Other benefits of the study include the education and training of researchers in this field.Read moreRead less
Gassing Mechanism and Stability of Foamed Explosive Emulsions. Mining of minerals such as coal involves crushing the surrounding rock strata, or the mineral ore itself, with emulsion explosives. One of the most important properties determining suitability of an emulsion explosive to a particular mining operation is its velocity of detonation, which can be adjusted by varying the number and size of air bubbles distributed in the emulsion matrix. The present project aims to develop new ways of g ....Gassing Mechanism and Stability of Foamed Explosive Emulsions. Mining of minerals such as coal involves crushing the surrounding rock strata, or the mineral ore itself, with emulsion explosives. One of the most important properties determining suitability of an emulsion explosive to a particular mining operation is its velocity of detonation, which can be adjusted by varying the number and size of air bubbles distributed in the emulsion matrix. The present project aims to develop new ways of generating air bubbles, to gain fundamental understanding of the foaming mechanism in currently used gassing techniques, and to invent ways to stabilise large bubbles within the emulsion. The project will provide scientific underpinning for the development of a new range of emulsion explosives manufactured by Orica for Australian and international markets, maintaining the Orica's position as a leader in the field of emulsion explosives.Read moreRead less
Novel technology to sensitise emulsion explosives. The project will develop a new technology for more efficient and safer extraction of minerals. It will extend the application of emulsion explosives to low-temperatures and will eliminate the heating of emulsion blasting agents during transport. Since mining operations are located in regional areas, the project will bring benefits to local and rural communities. The project will also generate new knowledge on the behaviour and stability of th ....Novel technology to sensitise emulsion explosives. The project will develop a new technology for more efficient and safer extraction of minerals. It will extend the application of emulsion explosives to low-temperatures and will eliminate the heating of emulsion blasting agents during transport. Since mining operations are located in regional areas, the project will bring benefits to local and rural communities. The project will also generate new knowledge on the behaviour and stability of three-phase systems that contain very small gas bubbles. In addition to its fundamental importance, this knowledge can be carried over to food and cosmetic industries to facilitate the development of new products.Read moreRead less
Granular dynamics: characterization, modelling and application. Storage and transport of bulk solids are widely encountered in mineral, metallurgical and chemical industrials which are important to Australia. The design and control of bulk solids handling equipment must be optimised for the efficiency of processing. This project provides a systematic investigation of the techniques used to characterize bulk solids, and applies the new findings to hopper flow and pneumatic conveying. This, togeth ....Granular dynamics: characterization, modelling and application. Storage and transport of bulk solids are widely encountered in mineral, metallurgical and chemical industrials which are important to Australia. The design and control of bulk solids handling equipment must be optimised for the efficiency of processing. This project provides a systematic investigation of the techniques used to characterize bulk solids, and applies the new findings to hopper flow and pneumatic conveying. This, together with the research training offered through the conduct of the work, is very helpful to maintaining Australia’s leading position in bulk solids handling and application in resource, energy, process and allied industries.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
A Comprehensive Kinetic Model for Sulfur Reactions in Combustion, Gasification, and Chemical Processing. Sulfur chemistry in high temperature processes is poorly understood, leading to uncertainties in the design of these processes and in the control of their emissions. In particular, new approaches to lowering greenhouse emissions which depend on the combustion and gasification of coal, biomass, or refuse-derived fuel, such as integrated gasification combined cycle processes, are especially aff ....A Comprehensive Kinetic Model for Sulfur Reactions in Combustion, Gasification, and Chemical Processing. Sulfur chemistry in high temperature processes is poorly understood, leading to uncertainties in the design of these processes and in the control of their emissions. In particular, new approaches to lowering greenhouse emissions which depend on the combustion and gasification of coal, biomass, or refuse-derived fuel, such as integrated gasification combined cycle processes, are especially affected by these uncertainties. This project seeks to combine experimental measurements and quantum chemical modelling to produce a detailed mechanistic model for the reactions of sulfur in high-temperature systems. Such a model will provide designers with a tool to optimise these complex interacting systems.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