Development of a Trickle Filter for Treating Sour Water from Oil Shale Processing Plants. Oil is extracted from oil shale by pyrolysing pre-dried crushed shale. Despite drying , the shale retains a residual moisture level of approximately 5% which ultimately ends up as an aqueous phase in the condensate stream from the pyrolysis process. This aqueous phase, know as sour water, contains a range of organic compounds, including carboxylic acids, nitorgen heterocyclics and ketones. This aim of thi ....Development of a Trickle Filter for Treating Sour Water from Oil Shale Processing Plants. Oil is extracted from oil shale by pyrolysing pre-dried crushed shale. Despite drying , the shale retains a residual moisture level of approximately 5% which ultimately ends up as an aqueous phase in the condensate stream from the pyrolysis process. This aqueous phase, know as sour water, contains a range of organic compounds, including carboxylic acids, nitorgen heterocyclics and ketones. This aim of this proposal is to develop trickle filters to treat the sour water. The biofilms that develop in trickle filters are ideal for supporting slow growing microbial species. Research is needed to transfer native microorganisms in the oil shale desposit to the durable gravels that will be used in the filter.Read moreRead less
Understanding the molecular structure and chemical behaviour of asphaltenes. This project will advance the science underpinning technologies for cost-effective use of heavy oil resources. Asphaltene aggregation and precipitation pose enormous challenges for extraction, transport, storage and refining of heavy oils. Understanding the physicochemical properties of asphaltenes is crucial to the future oil industry as light crudes become scarce. This project plans to develop and deploy an innovative ....Understanding the molecular structure and chemical behaviour of asphaltenes. This project will advance the science underpinning technologies for cost-effective use of heavy oil resources. Asphaltene aggregation and precipitation pose enormous challenges for extraction, transport, storage and refining of heavy oils. Understanding the physicochemical properties of asphaltenes is crucial to the future oil industry as light crudes become scarce. This project plans to develop and deploy an innovative molecular probe technique, combined with sequential thermal and solvent extraction and advanced tools for nanoscale characterisation, to reveal the molecular structure and chemical behaviour of asphaltenes. The resulting understanding of the mechanisms of asphaltene aggregation and dissociation may provide a scientific basis for controlling asphaltene precipitation to improve the stability and thus improve the use of heavy oils.Read moreRead less