Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species

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dc.contributor.advisorHarrison, STLen_ZA
dc.contributor.advisorMöller, Klausen_ZA
dc.contributor.authorFraser, Murrayen_ZA
dc.date.accessioned2015-03-16T10:52:39Z
dc.date.available2015-03-16T10:52:39Z
dc.date.issued2011en_ZA
dc.descriptionIncludes bibliographical referencesen_ZA
dc.description.abstractRising global energy demands and global warming concerns from fossil derived fuels are two major problems affecting future generations. Bioenergy from algae offers a part solution that is both attractive and sustainable, by supplementing energy demands from a renewable energy source (the sun) and consuming carbon dioxide in the process. Bioenergy from algae is a proven concept (e.g algal biodiesel), yet the low productivities and high costs of existing processes limit their ability to make a significant contribution. Algae production occurs in specially designed photobioreactors, which are typically light limited. Hence, optimization of light supply to algae is key. A mathematical model of a photobioreactor is useful to aid in the design and optimization process. A model enables the prediction of productivities as a function of changing model inputs and hence allows optima to be predicted. While these are typically validated experimentally, this greatly reduces the number of experiments required, thereby saving cost and time. For this work, the production of algal biodiesel using airlift photobioreactors was used as the case study for the model development. Scenedesmus sp. was chosen as the model species owing to its comparatively high lipid productivity, a desirable trait for the production of biofuels. Although many parameters affect algal growth and lipid productivity, this project focused on one critical parameter, that of light provision.en_ZA
dc.identifier.apacitationFraser, M. (2011). <i>Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Chemical Engineering. Retrieved from http://hdl.handle.net/11427/12620en_ZA
dc.identifier.chicagocitationFraser, Murray. <i>"Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Chemical Engineering, 2011. http://hdl.handle.net/11427/12620en_ZA
dc.identifier.citationFraser, M. 2011. Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species. University of Cape Town.en_ZA
dc.identifier.risTY - Thesis / Dissertation AU - Fraser, Murray AB - Rising global energy demands and global warming concerns from fossil derived fuels are two major problems affecting future generations. Bioenergy from algae offers a part solution that is both attractive and sustainable, by supplementing energy demands from a renewable energy source (the sun) and consuming carbon dioxide in the process. Bioenergy from algae is a proven concept (e.g algal biodiesel), yet the low productivities and high costs of existing processes limit their ability to make a significant contribution. Algae production occurs in specially designed photobioreactors, which are typically light limited. Hence, optimization of light supply to algae is key. A mathematical model of a photobioreactor is useful to aid in the design and optimization process. A model enables the prediction of productivities as a function of changing model inputs and hence allows optima to be predicted. While these are typically validated experimentally, this greatly reduces the number of experiments required, thereby saving cost and time. For this work, the production of algal biodiesel using airlift photobioreactors was used as the case study for the model development. Scenedesmus sp. was chosen as the model species owing to its comparatively high lipid productivity, a desirable trait for the production of biofuels. Although many parameters affect algal growth and lipid productivity, this project focused on one critical parameter, that of light provision. DA - 2011 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2011 T1 - Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species TI - Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species UR - http://hdl.handle.net/11427/12620 ER -en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/12620
dc.identifier.vancouvercitationFraser M. Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Chemical Engineering, 2011 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/12620en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentCentre for Bioprocess Engineering Researchen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherBioprocess Engineeringen_ZA
dc.titleModelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model speciesen_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMScen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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