Sustainable Water Reuse and Resource Recovery through Cost-Effective BNR. The recycling of treated wastewater effluents is needed to achieve water security, where very low nitrogen (N) and phosphorus (P) levels must be achieved for wastewater to be effectively recycled. This research investigates a more sustainable and cost-effective N&P removal process from wastewater, benefiting the environment and improving the viability of wastewater recycling. Phosphorus is a limited resource worldwide and ....Sustainable Water Reuse and Resource Recovery through Cost-Effective BNR. The recycling of treated wastewater effluents is needed to achieve water security, where very low nitrogen (N) and phosphorus (P) levels must be achieved for wastewater to be effectively recycled. This research investigates a more sustainable and cost-effective N&P removal process from wastewater, benefiting the environment and improving the viability of wastewater recycling. Phosphorus is a limited resource worldwide and will be effectively recovered in the process to be used as a fertiliser. This project develops wastewater treatment process tools, solutions and management strategies that addresses the current challenges of how optimal nutrient removal and recovery from wastewater is achieved, enabling water recycling and saving costs.Read moreRead less
Sewer corrosion reduction through model-supported ventilation control. Ventilation is one of the key technologies for sewer corrosion control. However, its design and operation are currently based on experience and empirical equations, often leading to unsatisfactory results. By integrating in-depth laboratory and pilot-sewer studies under defined conditions with extensive field investigations, this multidisciplinary project aims to develop critical models to predict the corrosion process in res ....Sewer corrosion reduction through model-supported ventilation control. Ventilation is one of the key technologies for sewer corrosion control. However, its design and operation are currently based on experience and empirical equations, often leading to unsatisfactory results. By integrating in-depth laboratory and pilot-sewer studies under defined conditions with extensive field investigations, this multidisciplinary project aims to develop critical models to predict the corrosion process in response to ventilation and dynamic wastewater and atmospheric conditions, enabling model-based sewer ventilation design and operation. The project also aims to deliver novel, field-demonstrated ventilation strategies. The project findings will be incorporated in the Australian ventilation design and operation guidelines.Read moreRead less
An integrated approach to iron salt use in urban water systems. The project aims to develop and demonstrate an integrated and innovative strategy, and the associated science and technologies, to achieve multiple beneficial uses of iron salts in an urban water system. The project intends to use iron chloride to replace the most commonly used alum as a coagulant in water treatment. The same iron is then further used for corrosion and odour control in sewers, phosphorus removal in wastewater treatm ....An integrated approach to iron salt use in urban water systems. The project aims to develop and demonstrate an integrated and innovative strategy, and the associated science and technologies, to achieve multiple beneficial uses of iron salts in an urban water system. The project intends to use iron chloride to replace the most commonly used alum as a coagulant in water treatment. The same iron is then further used for corrosion and odour control in sewers, phosphorus removal in wastewater treatment reactors and hydrogen sulfide removal from biogas in an anaerobic digester. The strategy is expected to substantially reduce the use of chemicals in the entire urban water system, delivering large economic and environmental benefits to urban water utilities.Read moreRead less
Methane and nitrous oxide emissions from sewers – understanding, modelling and mitigation. The research and industry partners will collaborate on this project to quantify, understand and mitigate emissions of methane and nitrous oxide in sewer networks. Both methane and nitrous oxide are potent greenhouse gases, and their emissions need to be accounted for and mitigated for the water industry to achieve greenhouse neutral water services.
Assessing risk of oligomictic conditions in sub-tropical water supply lakes. Assessing risk of oligomictic conditions in sub-tropical water supply lakes. This project aims to assess the risk of low rates of mixing in sub-tropical drinking water supply reservoirs, using environmental monitoring and numerical modelling. Emerging evidence suggests sub-tropical drinking water supply reservoirs could transition to low mixing states with increasing age and projected changes in global climate. While th ....Assessing risk of oligomictic conditions in sub-tropical water supply lakes. Assessing risk of oligomictic conditions in sub-tropical water supply lakes. This project aims to assess the risk of low rates of mixing in sub-tropical drinking water supply reservoirs, using environmental monitoring and numerical modelling. Emerging evidence suggests sub-tropical drinking water supply reservoirs could transition to low mixing states with increasing age and projected changes in global climate. While this risk is poorly understood, it could significantly affect the long-term reliability of water supply and potable water treatment costs. Addressing this knowledge gap is expected to develop effective management responses to ensure the long term sustainable use of these water resources.Read moreRead less
Fluorinated surfactants and hydrocarbons at coastal airports. Fluorinated surfactants and hydrocarbons at coastal airports. This project aims to develop a model and parameters that describe transport and co-transport of fluoro-surfactants and hydrocarbons, priority pollutants with a wide range of physico-chemical properties, at coastal airports. Sixty percent of Australian airports are in the coastal plain, and all are affected by contamination from internationally banned fluoro-surfactants and ....Fluorinated surfactants and hydrocarbons at coastal airports. Fluorinated surfactants and hydrocarbons at coastal airports. This project aims to develop a model and parameters that describe transport and co-transport of fluoro-surfactants and hydrocarbons, priority pollutants with a wide range of physico-chemical properties, at coastal airports. Sixty percent of Australian airports are in the coastal plain, and all are affected by contamination from internationally banned fluoro-surfactants and hydrocarbons. Their extensive past use at firefighting training grounds resulted in costly remediation worldwide. Understanding the fate of persistent fluoro-surfactants from point sources, and their role in transporting non-polar chemicals such as hydrocarbons, will improve risk-based decision making. This research is expected to form the basis for effective risk management and intervention strategies.Read moreRead less
Sustainable wastewater management. This project aims to extract high-value liquid products (medium-chain fatty acids) from wastewater with minimised greenhouse gas emissions and energy consumption, in addition to clean water. Traditional wastewater treatment removes organic carbon and nutrients by using vast amounts of energy and releasing greenhouse gas. However, wastewater is a substantial but largely untapped renewable resource. The intended outcome is to transform wastewater from a troubleso ....Sustainable wastewater management. This project aims to extract high-value liquid products (medium-chain fatty acids) from wastewater with minimised greenhouse gas emissions and energy consumption, in addition to clean water. Traditional wastewater treatment removes organic carbon and nutrients by using vast amounts of energy and releasing greenhouse gas. However, wastewater is a substantial but largely untapped renewable resource. The intended outcome is to transform wastewater from a troublesome pollutant to a valuable resource and reduce carbon footprints.Read moreRead less
Sewer Monitoring and Management in the Digital Era. Overflow, flooding, corrosion, and odorous emissions are persistent issues for utilities managing sewers. Current sewer maintenance is reactive, and focuses on solving problems in local networks, despite that optimal solutions require a system-wide approach. Capitalising on recent development in IoT sensors, wireless transmission, and machine learning, this multidisciplinary project aims to develop digital-twin supported data analytics for proa ....Sewer Monitoring and Management in the Digital Era. Overflow, flooding, corrosion, and odorous emissions are persistent issues for utilities managing sewers. Current sewer maintenance is reactive, and focuses on solving problems in local networks, despite that optimal solutions require a system-wide approach. Capitalising on recent development in IoT sensors, wireless transmission, and machine learning, this multidisciplinary project aims to develop digital-twin supported data analytics for proactive sewer management including network-wide real-time control. The project aims to generate significant social, environmental and economic benefits by enabling utilities to better protect public and environmental health, reduce sewer odour and greenhouse gas emissions, and extend sewer asset life.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE160101322
Funder
Australian Research Council
Funding Amount
$371,500.00
Summary
Mapping the water-energy nexus: new knowledge for resources security. This project plans to systematically evaluate energy impacts of urban water security across three interconnected systems: the direct consequences of water supply; the indirect influence of water use in industry and homes; and the remote implications of water security on supply chains. The project intends to use a new, high-resolution, open-access, multi-regional, input-output model of the Australian economy and its resources u ....Mapping the water-energy nexus: new knowledge for resources security. This project plans to systematically evaluate energy impacts of urban water security across three interconnected systems: the direct consequences of water supply; the indirect influence of water use in industry and homes; and the remote implications of water security on supply chains. The project intends to use a new, high-resolution, open-access, multi-regional, input-output model of the Australian economy and its resources use: the Industrial Ecology Virtual Laboratory. It expects to help address escalating energy demands and costs for urban water by identifying alternative and optimal pathways for addressing the energy impacts of water supply.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE170100497
Funder
Australian Research Council
Funding Amount
$372,000.00
Summary
Maximising waste-to-energy technologies by overcoming microbial inhibition. This project aims to understand microbial inhibition and acclimation mechanisms that limit anaerobic digestion. 30% of waste in Australia is organic, and most is sent to landfills. Anaerobic digestion is a low-cost treatment technology that diverts organic waste to renewable energy production, but is under-used due to inhibitory compounds (e.g. ammonia, salts and heavy metals) and limited knowledge of microbiology. Under ....Maximising waste-to-energy technologies by overcoming microbial inhibition. This project aims to understand microbial inhibition and acclimation mechanisms that limit anaerobic digestion. 30% of waste in Australia is organic, and most is sent to landfills. Anaerobic digestion is a low-cost treatment technology that diverts organic waste to renewable energy production, but is under-used due to inhibitory compounds (e.g. ammonia, salts and heavy metals) and limited knowledge of microbiology. Understanding microbial capacity and inhibition/acclimatisation mechanisms is expected to drive greater application of anaerobic technology by enabling new processes and super-charging energy production from existing infrastructure. This would support Australia’s transition to a reliable, low-cost, low-emission and secure energy future.Read moreRead less