Carbon-Supported Iron Catalysts for Selective Catalytic Reduction of NO. Nitric oxide (NO) is a major pollutant from combustion systems. This project aims to develop cost-effective and environmentally benign zerovalent iron catalysts supported on carbon material for selective catalytic reduction (SCR) of NO using CO and unburned hydrocarbons as in-situ reductants. By applying differential reactor experimentation, kinetic modelling and advanced material characterisation techniques, the research w ....Carbon-Supported Iron Catalysts for Selective Catalytic Reduction of NO. Nitric oxide (NO) is a major pollutant from combustion systems. This project aims to develop cost-effective and environmentally benign zerovalent iron catalysts supported on carbon material for selective catalytic reduction (SCR) of NO using CO and unburned hydrocarbons as in-situ reductants. By applying differential reactor experimentation, kinetic modelling and advanced material characterisation techniques, the research will unravel complex relationships among catalyst structural features and activity, NO reduction mechanisms, and catalyst performance under practically relevant combustion conditions that underpin the development of an effective yet affordable SCR technology to control NO emission from industrial utilities and automobiles.Read moreRead less
Unlocking the catalytic activity of metal oxides through hybrid catalysis. This project aims to understand the interaction of light responsive nano-metals and metal oxide supports in photo-thermal catalysis, and channel light and heat to efficiently drive catalytic reactions. From this understanding, it will develop principles to activate the active site of metal oxides and control catalytic activity with high selectivity and stability. It will use this knowledge to selectively oxidate methane a ....Unlocking the catalytic activity of metal oxides through hybrid catalysis. This project aims to understand the interaction of light responsive nano-metals and metal oxide supports in photo-thermal catalysis, and channel light and heat to efficiently drive catalytic reactions. From this understanding, it will develop principles to activate the active site of metal oxides and control catalytic activity with high selectivity and stability. It will use this knowledge to selectively oxidate methane and oxidative coupling of methane reactions. The expected outcome is an inexpensive green catalysis method for chemical manufacture. This should lower the amount of waste, decrease energy consumption and improve human health, finite global resources and quality of life.Read moreRead less
Defining Fundamental Principles for the Design and Operation of Membrane Systems from Time-Varying Performance Analysis. To date, much of the process improvement for industrial application of membrane technology has revolved around polymer science based development of membrane materials and process and module changes resulting from the application of basic (often simplistic) engineering principles. While some future improvements may still come from these areas, the most dramatic advances are li ....Defining Fundamental Principles for the Design and Operation of Membrane Systems from Time-Varying Performance Analysis. To date, much of the process improvement for industrial application of membrane technology has revolved around polymer science based development of membrane materials and process and module changes resulting from the application of basic (often simplistic) engineering principles. While some future improvements may still come from these areas, the most dramatic advances are likely to be derived from the application of advanced engineering principles to this complex system. This project will integrate advanced CFD modelling and control principles for the design and operation of membrane systems in order to develop fundamental understanding that should lead to significant process improvements.Read moreRead less
Overcoming microplastics induced inhibition on waste-to-energy conversion . This project aims to develop an innovative technology and the underpinning science to achieve stable and efficient mitigation of emerging microplastics induced inhibition that is becoming a key barrier hindering waste-to-energy conversion in anaerobic digestion. Anaerobic digestion is a low-cost technology widely used to divert sewage sludge to renewable energy production. However, the increasing levels of microplastics ....Overcoming microplastics induced inhibition on waste-to-energy conversion . This project aims to develop an innovative technology and the underpinning science to achieve stable and efficient mitigation of emerging microplastics induced inhibition that is becoming a key barrier hindering waste-to-energy conversion in anaerobic digestion. Anaerobic digestion is a low-cost technology widely used to divert sewage sludge to renewable energy production. However, the increasing levels of microplastics captured in sludge leads to low methane yield and process failure due to their small size and specific characteristics. The outcome of the project will remove the emerging barrier to enhance energy recovery that can be applied in existing anaerobic digestion infrastructure for addressing Australia’s increasing energy demand.Read moreRead less
Production of Biodegradable Polyhydroxyalkanoate Polymers using Advanced Biological Wastewater Treatment Process Technology. The aim of this project is to develop a sustainable process for producing biodegradable polyhydroxyalkanoate (PHAs)polymers from an innovative aerobic-anaerobic biological wastewater treatment process, ?treating? high strength food industry effluent. These biopolymers offer enormous potential for use as renewable and biodegradable thermoplastics.
It is proposed to inve ....Production of Biodegradable Polyhydroxyalkanoate Polymers using Advanced Biological Wastewater Treatment Process Technology. The aim of this project is to develop a sustainable process for producing biodegradable polyhydroxyalkanoate (PHAs)polymers from an innovative aerobic-anaerobic biological wastewater treatment process, ?treating? high strength food industry effluent. These biopolymers offer enormous potential for use as renewable and biodegradable thermoplastics.
It is proposed to investigate two process configurations, namely the sequencing batch reactor and a continuous two step anaerobic-aerobic reaction system. These will be studied at bench-scale. The outcomes include:
1. Determination of the optimum microbial conditions and key growth
parameters for the production of PHA.
2. Optimisation of the process configuration, operating strategies
and operating conditions to maximise the
production of PHA.
3. Assessment of the influence of the feed composition (e.g. VFA)
on the PHA composition (PHB/PHV).
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Hanging sponge aerobic bioreactor and membrane - adsorption hybrid system: a novel two stage system in wastewater reuse. A novel two-stage system consisting of a downflow hanging sponge biological reactor (DHS) and submerged membrane-adsorption hybrid system (SMAS) will be developed in this study. The DHS modified to incorporate solid separation and superior organics, and nitrogen removal will be an excellent pretreatment system that features minimum energy requirement and on sludge production. ....Hanging sponge aerobic bioreactor and membrane - adsorption hybrid system: a novel two stage system in wastewater reuse. A novel two-stage system consisting of a downflow hanging sponge biological reactor (DHS) and submerged membrane-adsorption hybrid system (SMAS) will be developed in this study. The DHS modified to incorporate solid separation and superior organics, and nitrogen removal will be an excellent pretreatment system that features minimum energy requirement and on sludge production. The post treatment of SMAS is to be studied to optimize aeration, biological activity on activated carbon will remove the remaining organics, solids, bacteria and majority of viruses. The developed hybrid system will be a cost- effective system in water reuse in small communities.Read moreRead less
An Optimal Integrated Immersed Membrane System as Pre-Treatment for Reverse Osmosis Desalination. This project will be useful for both coastal and inland areas of Australia. It will provide sustainable technology to meet the needs of water supply where the main sources are seawater and brackish water. Reverse osmosis (RO) is the dominant technology in water desalination and in the final polishing step in wastewater treatment for reuse. The novel pre-treatment proposed in this study is the key fo ....An Optimal Integrated Immersed Membrane System as Pre-Treatment for Reverse Osmosis Desalination. This project will be useful for both coastal and inland areas of Australia. It will provide sustainable technology to meet the needs of water supply where the main sources are seawater and brackish water. Reverse osmosis (RO) is the dominant technology in water desalination and in the final polishing step in wastewater treatment for reuse. The novel pre-treatment proposed in this study is the key for the cost-effective and energy efficient operation of RO. This project will strengthen research links among Australian, European and USA universities, to come up with a forefront pre-treatment technology for RO desalination. The technology is of direct benefit to ongoing RO installations in Australia and also has significant export potential.Read moreRead less
Development of a Model Relating Aggregate Properties with Aggregation Conditions for Design and Control Purposes. The project aims to understand the role of shear and other important parameters in the aggregation of nano- and micron-sized particles through fundamental studies on different particulate systems and shear environments. The knowledge will be used to develop an engineering model relating the floc properties to system conditions, thus allowing the utilisation of experimental data to fu ....Development of a Model Relating Aggregate Properties with Aggregation Conditions for Design and Control Purposes. The project aims to understand the role of shear and other important parameters in the aggregation of nano- and micron-sized particles through fundamental studies on different particulate systems and shear environments. The knowledge will be used to develop an engineering model relating the floc properties to system conditions, thus allowing the utilisation of experimental data to full-scale operations without eschewing their relevance. Project outcomes include a comprehensive guideline to set optimum conditions required to generate flocs with desirable properties for control and design purposes, with applicability extending from solid-liquid separation to nano-material synthesis, and various processes involving particle aggregation.Read moreRead less
Photoelectrochemical control transport across a photoactive inorganic membrane fabricated by an in situ vapour phase hydrothermal method. Serious global fresh water shortage problems force us to recycle/reuse water. In Australia, this is an urgent issue due to our limited fresh water resources. Complete removal of biohazards (e.g., waterborne pathogens) from treated water is one of the most important aspects of safeguarding water recycling and has been the biggest obstacle for public acceptance. ....Photoelectrochemical control transport across a photoactive inorganic membrane fabricated by an in situ vapour phase hydrothermal method. Serious global fresh water shortage problems force us to recycle/reuse water. In Australia, this is an urgent issue due to our limited fresh water resources. Complete removal of biohazards (e.g., waterborne pathogens) from treated water is one of the most important aspects of safeguarding water recycling and has been the biggest obstacle for public acceptance. This project aims to tackle the issue by developing a highly efficient and effective new membrane technology that is capable of not just separating the biohazards from the source water but also in situ destroying them at the same time with low energy consumption and self cleaning features.Read moreRead less
Fires of halogenated industrial chemicals and their impact on the Australian environment. Recent large fires of industrial chemicals in Australia led to significant environmental pollution. In this project, we will develop sophisticated techniques to assess pollutants formed in fires of commonly used industrial chemicals. The results will find immediate applications in training fire brigades in their response to chemical fires.