In vitro evolution of more thermostable dextranases for the Australian sugar industry. Dextrans are polysaccharides that adversely affect the productivity of sugarcane mills. The Australian sugar industry currently imports dextranases to deal with this problem but they are not heat stable so the mills have run at lower temperatures than optimal. We have isolated dextranases from thermophilic microorganisms and aim to improve their performance by generating superior heat-stable dextranases using ....In vitro evolution of more thermostable dextranases for the Australian sugar industry. Dextrans are polysaccharides that adversely affect the productivity of sugarcane mills. The Australian sugar industry currently imports dextranases to deal with this problem but they are not heat stable so the mills have run at lower temperatures than optimal. We have isolated dextranases from thermophilic microorganisms and aim to improve their performance by generating superior heat-stable dextranases using in vitro evolution, creating new activity levels by random mutation and recombination. The research will be significant in providing novel enzymes for domestic use, allowing import substitution and an outcome will be the development of a product with export potential.
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Combustion Modelling and Control for Biomass Fuelled Boilers . This Project aims to improve the operation of bio-fuelled boilers in the sugar industry by using novel approaches to modelling and control of the combustion process. In the sugar industry, sugarcane residue is used as biofuel for boilers. The steam from the boilers is used to crystallise sugar and generate electricity, which is used to power machinery and is also exported to the grid. However, due to poor fuel consistency and poor c ....Combustion Modelling and Control for Biomass Fuelled Boilers . This Project aims to improve the operation of bio-fuelled boilers in the sugar industry by using novel approaches to modelling and control of the combustion process. In the sugar industry, sugarcane residue is used as biofuel for boilers. The steam from the boilers is used to crystallise sugar and generate electricity, which is used to power machinery and is also exported to the grid. However, due to poor fuel consistency and poor combustion conditions, critical problems arise that hinder production. Expected outcomes include: improved sugar production, safer operation of boilers, reduced downtime, and better electricity co-generation.
This will provide significant benefits to sugar manufacturing and biofuel energy generation in AustraliaRead moreRead less
Control strategies for Bagasse-fuelled boiler units. This project aims to improve sugar production and electricity cogeneration capabilities in the sugar industry by utilising novel control ideas for boiler units. In the sugar industry, sugarcane residue is used as biofuel for boiler units. Boilers use steam to crystallise sugar and generate electricity. However, variable steam demand and poor fuel consistency severely hinder production. The project aims to improve safe operation of boilers, red ....Control strategies for Bagasse-fuelled boiler units. This project aims to improve sugar production and electricity cogeneration capabilities in the sugar industry by utilising novel control ideas for boiler units. In the sugar industry, sugarcane residue is used as biofuel for boiler units. Boilers use steam to crystallise sugar and generate electricity. However, variable steam demand and poor fuel consistency severely hinder production. The project aims to improve safe operation of boilers, reduce downtime, and maximise electricity generated to the grid. This will provide significant benefits to sugar manufacturing and, more broadly, biofuel energy generation in Australia.Read moreRead less
Selective Detection and Removal of Contaminants That Have an Adverse Impact on Australian Raw Sugar Quality. Sugar is Australia's 2nd largest agricultural crop with 80-85% exported earning $2 billion in export revenue. Whilst Australia is arguably the most reliable supplier of premium raw sugar the implementation of improved processing technologies by rivals has (and without appropriate research strategies will continue to) eroded some of the long-held Australian advantages.
Our innovative a ....Selective Detection and Removal of Contaminants That Have an Adverse Impact on Australian Raw Sugar Quality. Sugar is Australia's 2nd largest agricultural crop with 80-85% exported earning $2 billion in export revenue. Whilst Australia is arguably the most reliable supplier of premium raw sugar the implementation of improved processing technologies by rivals has (and without appropriate research strategies will continue to) eroded some of the long-held Australian advantages.
Our innovative approaches will improve raw sugar quality, measurement methods, and allow new product development (value adding), enabling Australia to maintain its? world leading position. Importantly, our technologies enable improvements of specific quality issues (and potentially as yet unidentified issues), further differentiating the Australian product in the international marketplace.
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Enhanced biocontrol options for the Australian sugar industry: a proteomic approach. Sugarcane is the second largest field crop grown in Australia and raw sugar is the third largest export product. Canegrubs are the major insect pest affecting production of sugarcane in Australia, currently costing the industry more than $12 million annually in insecticides and lost production. Biological control of insect pests provides an environmentally sound option of reducing these losses. Here we propos ....Enhanced biocontrol options for the Australian sugar industry: a proteomic approach. Sugarcane is the second largest field crop grown in Australia and raw sugar is the third largest export product. Canegrubs are the major insect pest affecting production of sugarcane in Australia, currently costing the industry more than $12 million annually in insecticides and lost production. Biological control of insect pests provides an environmentally sound option of reducing these losses. Here we propose to use proteomics to identify the key pathogenicity determinants in the biological control fungus Metarhizium during infection of canegrubs. The genes and proteins identified in this project will contribute to developing enhanced biocontrol options for Australian sugar industry.Read moreRead less
Metabolic engineering of Zymomonas mobilis for higher value fermentation products. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals such as succinic acid via fermentation is cosiderably environmental friendly. For the sugar industry this project will provide an opportunity to produce not only conventional sugar products but also high val ....Metabolic engineering of Zymomonas mobilis for higher value fermentation products. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals such as succinic acid via fermentation is cosiderably environmental friendly. For the sugar industry this project will provide an opportunity to produce not only conventional sugar products but also high value commodities via the process integration of succinic acid production using agricultural residues such as bagasse. This will contribute to significant levels of job creation in Australia, and further benefits will be that such products will be important both for import replacement and export potential.Read moreRead less
The microbiology and biotechnology of rum production. Rum is an alcoholic beverage produced by microbial fermentation of molasses waste from the sugar industry. The microbial species responsible for the process determine rum flavour and quality by production of specific aroma compounds. The rate and extent of fermentation determine process efficiency. Several yeast and bacterial species contribute to rum fermentation but this ecology is poorly defined. Through a combination of ecological stu ....The microbiology and biotechnology of rum production. Rum is an alcoholic beverage produced by microbial fermentation of molasses waste from the sugar industry. The microbial species responsible for the process determine rum flavour and quality by production of specific aroma compounds. The rate and extent of fermentation determine process efficiency. Several yeast and bacterial species contribute to rum fermentation but this ecology is poorly defined. Through a combination of ecological studies, controlled fermentations and distillation, chemical and sensory analyses, this project will determine the impact of particular microbial species on rum flavour and process efficiency. This information will be used by the industrial partner to enchance product quality and process efficiency.Read moreRead less
Metabolic engineering to develop recombinant Zymomonas mobilis for the production of fuel ethanol and fermentation chemicals. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals, such as succinic acid via fermentation is more considerably environmentally friendly. For the sugar industry this project will provide an opportunity to produce no ....Metabolic engineering to develop recombinant Zymomonas mobilis for the production of fuel ethanol and fermentation chemicals. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals, such as succinic acid via fermentation is more considerably environmentally friendly. For the sugar industry this project will provide an opportunity to produce not only conventional sugar products but also high value commodities via the process integration of succinic acid production using agricultural residues, such as bagasse. This will contribute to significant levels of job creation in Australia, with the further benefit that such products will be important for both import replacement and export potential.Read moreRead less
Condition-based maintenance optimisation for Australian sugar industry. The aim of this project is to develop innovative methodologies for the implementation of condition-based maintenance in the sugar milling industry. This is designed to optimise the allocation of limited maintenance resources and to significantly reduce the $350 million spent on maintenance in the industry each year. New methodologies will account for the seasonality of production and the complexity of allocating limited main ....Condition-based maintenance optimisation for Australian sugar industry. The aim of this project is to develop innovative methodologies for the implementation of condition-based maintenance in the sugar milling industry. This is designed to optimise the allocation of limited maintenance resources and to significantly reduce the $350 million spent on maintenance in the industry each year. New methodologies will account for the seasonality of production and the complexity of allocating limited maintenance resources across numerous equipment items and different production sites. The intended outcome of the project will improve the efficiency of maintenance and hence the global competitiveness of the Australian sugar industry.Read moreRead less
Effect of cane sugar juice composition on scaling rate and scale composition in sugar mills. The Australia sugar industry produces 1100 GWh of renewable electricity annually, abating ~1.1 M tonnes of CO2-equivalent of greenhouse gases. This can be increased if the juice evaporation performance, which largely determines the energy efficiency of the sugar factory, can be improved through reduced fouling of evaporators. This project will investigate the effect of juice composition on fouling of sug ....Effect of cane sugar juice composition on scaling rate and scale composition in sugar mills. The Australia sugar industry produces 1100 GWh of renewable electricity annually, abating ~1.1 M tonnes of CO2-equivalent of greenhouse gases. This can be increased if the juice evaporation performance, which largely determines the energy efficiency of the sugar factory, can be improved through reduced fouling of evaporators. This project will investigate the effect of juice composition on fouling of sugar factory evaporators so that a model to predict scale type and scale propensity can be developed. This will enable the development of better scale control strategies, resulting in reduced energy usage and reduced usage of the hazardous and polluting chemicals required to remove scale.Read moreRead less