Probing microbial emulsions to break barriers to green oil production
Grant number: DP170103791 | Funding period: 2017 - 2019
This project aims to understand ultrasonic processing of concentrated slurries of oil-bearing yeast and algae. Humans must reduce their dependency on petroleum. While microorganisms can produce oils as replacement fuels and base chemicals, the processes for extracting these oils are inefficient. Ultrasound could improve oil recovery by replacing toxic solvents. Understanding the effects of ultrasound on microbial emulsions is expected to develop solvent-free oil recovery processes that improve the economic and environmental benefits of microbial oil production. Such processes would greatly increase the efficiency and reduce the cost of producing microbial oils that can be used as green alter..View full description
Related publications (6)
Interplay between interfacial behaviour, cell structure and shear enables biphasic lipid extraction from whole diatom cells (Navicula sp.)
Bhagya Yatipanthalawa, Wu Li, David RA Hill, Zlatan Trifunovic, Muthupandian Ashokkumar, Peter J Scales, Gregory JO Martin
HYPOTHESIS: Bacillariophyceae (i.e., diatoms) are an important class of algae with potential use in the production of proteins and..
Effect of Bulk Viscosity and Emulsion Droplet Size on the Separation Efficiency of Model Mineral Oil-in-Water (O/W) Emulsions under Ultrasonic Standing Wave Fields: A Theoretical and Experimental Investigation
Srinivas Mettu, Shunyu Yao, Qiang Sun, Samuel Ronald Lawson, Peter J Scales, Gregory JO Martin, Muthupandian Ashokkumar
Ultrasound standing waves can be used to separate emulsions. So far, they have been applied to oil-in-water emulsions with low con..
Rheological properties of concentrated slurries of harvested, incubated and ruptured Nannochloropsis sp. cells
Srinivas Mettu, Shunyu Yao, Sam QK Law, Zheng Sun, Peter J Scales, Muthupandian Ashokkumar, Gregory JO Martin
Biorefining of microalgae biomass requires processing of high-solids (> 10%) slurries. To date there is little knowledge of how pr..
Ultrasonic pretreatment of food waste to accelerate enzymatic hydrolysis for glucose production
Xiaotong Li, Srinivas Mettu, Gregory JO Martin, Muthupandian Ashokkumar, Carol Sze Ki Lin
Recovering valuable materials from food waste by applying the concept of a bio-refinery is attracting considerable interest. To th..
The effect of high-intensity ultrasound on cell disruption and lipid extraction from high-solids viscous slurries of Nannochloropsis sp biomass
Shunyu Yao, Srinivas Mettu, Sam QK Law, Muthupandian Ashokkumar, Gregory JO Martin
The effect of ultrasonication on the cell rupture of marine microalgae Nannochloropsis sp. was studied as a function of the slurry..
Emulsifying properties of ruptured microalgae cells: Barriers to lipid extraction or promising biosurfactants?
Sam QK Law, Srinivas Mettu, Muthupandian Ashokkumar, Peter J Scales, Gregory JO Martin
A systematic investigation of the emulsifying properties of ruptured algae cells was performed for the first time. The slurry of r..