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Development of a Self-Cycling Fermentation Approach to Improve Productivities for Ethanol Production
DownloadSpring 2020
Biofuels have great potential to help secure the global energy supply and reduce greenhouse gas emissions. Taking cellulosic ethanol as an example, it is a biofuel produced from lignocellulosic material (e.g. wood and corn stover), which has the most abundant polymer on the planet. The production...
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Spring 2011
Bitumen recovery by the water-based extraction process produces waste streams known as tailings. When discharged into the tailing ponds, the coarse solids in the tailings stream settle out quickly, while the fine solids accumulate over years of settling to a solids content of 30-35% by weight....
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Spring 2010
Commercial Magnafloc 1011and in-house synthesized Al-PAM were used as flocculants for model tailings, laboratory extraction tailings and tailings from paraffin froth treatment unit. The polymers were tested for their flocculation ability in settling and filtration. For model tailings, both...
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Spring 2023
The extraction of bitumen from oil sands is an energy and water-intensive process that produces a tailings byproduct containing sands, clays, water, and residual bitumen. Larger particles eventually settle out of the tailings, but fine particles – stabilized by the residual bitumen – remain...